diff options
Diffstat (limited to 'arch')
73 files changed, 678 insertions, 521 deletions
diff --git a/arch/.gitignore b/arch/.gitignore new file mode 100644 index 000000000000..741468920320 --- /dev/null +++ b/arch/.gitignore @@ -0,0 +1,2 @@ +i386 +x86_64 diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index ae79dd970b02..58c2669a1dd4 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -225,7 +225,7 @@ alpha_fp_emul (unsigned long pc) FP_UNPACK_SP(SB, &vb); DR_c = DB_c; DR_s = DB_s; - DR_e = DB_e; + DR_e = DB_e + (1024 - 128); DR_f = SB_f << (52 - 23); goto pack_d; } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c4de2d4664d7..a04f507e7f2c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1072,11 +1072,13 @@ source "drivers/rtc/Kconfig" source "drivers/dma/Kconfig" +source "drivers/dca/Kconfig" + endmenu source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" +source "arch/arm/Kconfig.instrumentation" source "arch/arm/Kconfig.debug" diff --git a/arch/arm/Kconfig.instrumentation b/arch/arm/Kconfig.instrumentation new file mode 100644 index 000000000000..63b8c6d5606a --- /dev/null +++ b/arch/arm/Kconfig.instrumentation @@ -0,0 +1,52 @@ +menuconfig INSTRUMENTATION + bool "Instrumentation Support" + default y + ---help--- + Say Y here to get to see options related to performance measurement, + system-wide debugging, and testing. This option alone does not add any + kernel code. + + If you say N, all options in this submenu will be skipped and + disabled. If you're trying to debug the kernel itself, go see the + Kernel Hacking menu. + +if INSTRUMENTATION + +config PROFILING + bool "Profiling support (EXPERIMENTAL)" + help + Say Y here to enable the extended profiling support mechanisms used + by profilers such as OProfile. + +config OPROFILE + tristate "OProfile system profiling (EXPERIMENTAL)" + depends on PROFILING && !UML + help + OProfile is a profiling system capable of profiling the + whole system, include the kernel, kernel modules, libraries, + and applications. + + If unsure, say N. + +config OPROFILE_ARMV6 + bool + depends on OPROFILE && CPU_V6 && !SMP + default y + select OPROFILE_ARM11_CORE + +config OPROFILE_MPCORE + bool + depends on OPROFILE && CPU_V6 && SMP + default y + select OPROFILE_ARM11_CORE + +config OPROFILE_ARM11_CORE + bool + +config MARKERS + bool "Activate markers" + help + Place an empty function call at each marker site. Can be + dynamically changed for a probe function. + +endif # INSTRUMENTATION diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c index d05b1b2be9fb..53a5ef9e72ee 100644 --- a/arch/arm/mach-at91/board-ek.c +++ b/arch/arm/mach-at91/board-ek.c @@ -109,6 +109,15 @@ static struct spi_board_info ek_spi_devices[] = { #endif }; +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("ics1523", 0x26), + }, + { + I2C_BOARD_INFO("dac3550", 0x4d), + } +}; + #define EK_FLASH_BASE AT91_CHIPSELECT_0 #define EK_FLASH_SIZE 0x200000 diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c index f65baa95986e..d5f6ea14fc7b 100644 --- a/arch/arm/mach-omap1/board-fsample.c +++ b/arch/arm/mach-omap1/board-fsample.c @@ -40,31 +40,29 @@ static int fsample_keymap[] = { KEY(0,1,KEY_RIGHT), KEY(0,2,KEY_LEFT), KEY(0,3,KEY_DOWN), - KEY(0,4,KEY_CENTER), - KEY(0,5,KEY_0_5), - KEY(1,0,KEY_SOFT2), + KEY(0,4,KEY_ENTER), + KEY(1,0,KEY_F10), KEY(1,1,KEY_SEND), KEY(1,2,KEY_END), KEY(1,3,KEY_VOLUMEDOWN), KEY(1,4,KEY_VOLUMEUP), KEY(1,5,KEY_RECORD), - KEY(2,0,KEY_SOFT1), + KEY(2,0,KEY_F9), KEY(2,1,KEY_3), KEY(2,2,KEY_6), KEY(2,3,KEY_9), - KEY(2,4,KEY_SHARP), - KEY(2,5,KEY_2_5), + KEY(2,4,KEY_KPDOT), KEY(3,0,KEY_BACK), KEY(3,1,KEY_2), KEY(3,2,KEY_5), KEY(3,3,KEY_8), KEY(3,4,KEY_0), - KEY(3,5,KEY_HEADSETHOOK), + KEY(3,5,KEY_KPSLASH), KEY(4,0,KEY_HOME), KEY(4,1,KEY_1), KEY(4,2,KEY_4), KEY(4,3,KEY_7), - KEY(4,4,KEY_STAR), + KEY(4,4,KEY_KPASTERISK), KEY(4,5,KEY_POWER), 0 }; diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index 22db19a53647..182a98a9df4c 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -36,8 +36,6 @@ #include <asm/arch/omapfb.h> #include <asm/arch/lcd_mipid.h> -#include "../plat-omap/dsp/dsp_common.h" - #define ADS7846_PENDOWN_GPIO 15 static void __init omap_nokia770_init_irq(void) @@ -318,6 +316,8 @@ static __init int omap_dsp_init(void) out: return ret; } +#else +#define omap_dsp_init() do {} while (0) #endif /* CONFIG_OMAP_DSP */ static void __init omap_nokia770_init(void) diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index 1d5c8d509722..e44437e10eef 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -39,31 +39,29 @@ static int p2_keymap[] = { KEY(0,1,KEY_RIGHT), KEY(0,2,KEY_LEFT), KEY(0,3,KEY_DOWN), - KEY(0,4,KEY_CENTER), - KEY(0,5,KEY_0_5), - KEY(1,0,KEY_SOFT2), + KEY(0,4,KEY_ENTER), + KEY(1,0,KEY_F10), KEY(1,1,KEY_SEND), KEY(1,2,KEY_END), KEY(1,3,KEY_VOLUMEDOWN), KEY(1,4,KEY_VOLUMEUP), KEY(1,5,KEY_RECORD), - KEY(2,0,KEY_SOFT1), + KEY(2,0,KEY_F9), KEY(2,1,KEY_3), KEY(2,2,KEY_6), KEY(2,3,KEY_9), - KEY(2,4,KEY_SHARP), - KEY(2,5,KEY_2_5), + KEY(2,4,KEY_KPDOT), KEY(3,0,KEY_BACK), KEY(3,1,KEY_2), KEY(3,2,KEY_5), KEY(3,3,KEY_8), KEY(3,4,KEY_0), - KEY(3,5,KEY_HEADSETHOOK), + KEY(3,5,KEY_KPSLASH), KEY(4,0,KEY_HOME), KEY(4,1,KEY_1), KEY(4,2,KEY_4), KEY(4,3,KEY_7), - KEY(4,4,KEY_STAR), + KEY(4,4,KEY_KPASTERISK), KEY(4,5,KEY_POWER), 0 }; diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index dcd81f8d0833..9732d5d9466b 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -178,13 +178,19 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save) SAVE(GAFR1_L); SAVE(GAFR1_U); SAVE(GAFR2_L); SAVE(GAFR2_U); - SAVE(ICMR); + SAVE(ICMR); ICMR = 0; SAVE(CKEN); SAVE(PSTR); + + /* Clear GPIO transition detect bits */ + GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2; } static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) { + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; + /* restore registers */ RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); @@ -195,7 +201,12 @@ static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); + PSSR = PSSR_RDH | PSSR_PH; + RESTORE(CKEN); + + ICLR = 0; + ICCR = 1; RESTORE(ICMR); RESTORE(PSTR); } diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S index aff71fec618a..d0447723b73a 100644 --- a/arch/arm/mach-pxa/sleep.S +++ b/arch/arm/mach-pxa/sleep.S @@ -43,11 +43,11 @@ pxa_cpu_save_cp: pxa_cpu_save_sp: @ preserve phys address of stack mov r0, sp - mov r2, lr + str lr, [sp, #-4]! bl sleep_phys_sp ldr r1, =sleep_save_sp str r0, [r1] - mov pc, r2 + ldr pc, [sp], #4 /* * pxa27x_cpu_suspend() @@ -270,5 +270,3 @@ resume_after_mmu: mar acc0, r2, r3 #endif ldmfd sp!, {r4 - r12, pc} @ return to caller - - diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h index 54a2ad6d9ca2..791d0238c68f 100644 --- a/arch/arm/vfp/vfp.h +++ b/arch/arm/vfp/vfp.h @@ -361,10 +361,12 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand); * OP_SCALAR - this operation always operates in scalar mode * OP_SD - the instruction exceptionally writes to a single precision result. * OP_DD - the instruction exceptionally writes to a double precision result. + * OP_SM - the instruction exceptionally reads from a single precision operand. */ #define OP_SCALAR (1 << 0) #define OP_SD (1 << 1) #define OP_DD (1 << 1) +#define OP_SM (1 << 2) struct op { u32 (* const fn)(int dd, int dn, int dm, u32 fpscr); diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index 190a09ad18eb..6cac43bd1d86 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -668,8 +668,8 @@ static struct op fops_ext[32] = { [FEXT_TO_IDX(FEXT_FCMPZ)] = { vfp_double_fcmpz, OP_SCALAR }, [FEXT_TO_IDX(FEXT_FCMPEZ)] = { vfp_double_fcmpez, OP_SCALAR }, [FEXT_TO_IDX(FEXT_FCVT)] = { vfp_double_fcvts, OP_SCALAR|OP_SD }, - [FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR }, - [FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR }, + [FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR|OP_SM }, + [FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR|OP_SM }, [FEXT_TO_IDX(FEXT_FTOUI)] = { vfp_double_ftoui, OP_SCALAR|OP_SD }, [FEXT_TO_IDX(FEXT_FTOUIZ)] = { vfp_double_ftouiz, OP_SCALAR|OP_SD }, [FEXT_TO_IDX(FEXT_FTOSI)] = { vfp_double_ftosi, OP_SCALAR|OP_SD }, @@ -1128,7 +1128,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) u32 exceptions = 0; unsigned int dest; unsigned int dn = vfp_get_dn(inst); - unsigned int dm = vfp_get_dm(inst); + unsigned int dm; unsigned int vecitr, veclen, vecstride; struct op *fop; @@ -1146,6 +1146,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) dest = vfp_get_dd(inst); /* + * f[us]ito takes a sN operand, not a dN operand. + */ + if (fop->flags & OP_SM) + dm = vfp_get_sm(inst); + else + dm = vfp_get_dm(inst); + + /* * If destination bank is zero, vector length is always '1'. * ARM DDI0100F C5.1.3, C5.3.2. */ diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 2a3a7ea5958c..25232ba08119 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -65,6 +65,10 @@ config GENERIC_CALIBRATE_DELAY bool default y +config HARDWARE_PM + def_bool y + depends on OPROFILE + source "init/Kconfig" source "kernel/Kconfig.preempt" diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c index 88eff7f54ea6..1d1936a18133 100644 --- a/arch/cris/arch-v10/drivers/ds1302.c +++ b/arch/cris/arch-v10/drivers/ds1302.c @@ -6,136 +6,9 @@ *! *! Functions exported: ds1302_readreg, ds1302_writereg, ds1302_init *! -*! $Log: ds1302.c,v $ -*! Revision 1.18 2005/01/24 09:11:26 mikaelam -*! Minor changes to get DS1302 RTC chip driver to work -*! -*! Revision 1.17 2005/01/05 06:11:22 starvik -*! No need to do local_irq_disable after local_irq_save. -*! -*! Revision 1.16 2004/12/13 12:21:52 starvik -*! Added I/O and DMA allocators from Linux 2.4 -*! -*! Revision 1.14 2004/08/24 06:48:43 starvik -*! Whitespace cleanup -*! -*! Revision 1.13 2004/05/28 09:26:59 starvik -*! Modified I2C initialization to work in 2.6. -*! -*! Revision 1.12 2004/05/14 07:58:03 starvik -*! Merge of changes from 2.4 -*! -*! Revision 1.10 2004/02/04 09:25:12 starvik -*! Merge of Linux 2.6.2 -*! -*! Revision 1.9 2003/07/04 08:27:37 starvik -*! Merge of Linux 2.5.74 -*! -*! Revision 1.8 2003/04/09 05:20:47 starvik -*! Merge of Linux 2.5.67 -*! -*! Revision 1.6 2003/01/09 14:42:51 starvik -*! Merge of Linux 2.5.55 -*! -*! Revision 1.4 2002/12/11 13:13:57 starvik -*! Added arch/ to v10 specific includes -*! Added fix from Linux 2.4 in serial.c (flush_to_flip_buffer) -*! -*! Revision 1.3 2002/11/20 11:56:10 starvik -*! Merge of Linux 2.5.48 -*! -*! Revision 1.2 2002/11/18 13:16:06 starvik -*! Linux 2.5 port of latest 2.4 drivers -*! -*! Revision 1.15 2002/10/11 16:14:33 johana -*! Added CONFIG_ETRAX_DS1302_TRICKLE_CHARGE and initial setting of the -*! trcklecharge register. -*! -*! Revision 1.14 2002/10/10 12:15:38 magnusmn -*! Added support for having the RST signal on bit g0 -*! -*! Revision 1.13 2002/05/29 15:16:08 johana -*! Removed unused variables. -*! -*! Revision 1.12 2002/04/10 15:35:25 johana -*! Moved probe function closer to init function and marked it __init. -*! -*! Revision 1.11 2001/06/14 12:35:52 jonashg -*! The ATA hack is back. It is unfortunately the only way to set g27 to output. -*! -*! Revision 1.9 2001/06/14 10:00:14 jonashg -*! No need for tempudelay to be inline anymore (had to adjust the usec to -*! loops conversion because of this to make it slow enough to be a udelay). -*! -*! Revision 1.8 2001/06/14 08:06:32 jonashg -*! Made tempudelay delay usecs (well, just a tad more). -*! -*! Revision 1.7 2001/06/13 14:18:11 jonashg -*! Only allow processes with SYS_TIME capability to set time and charge. -*! -*! Revision 1.6 2001/06/12 15:22:07 jonashg -*! * Made init function __init. -*! * Parameter to out_byte() is unsigned char. -*! * The magic number 42 has got a name. -*! * Removed comment about /proc (nothing is exported there). -*! -*! Revision 1.5 2001/06/12 14:35:13 jonashg -*! Gave the module a name and added it to printk's. -*! -*! Revision 1.4 2001/05/31 14:53:40 jonashg -*! Made tempudelay() inline so that the watchdog doesn't reset (see -*! function comment). -*! -*! Revision 1.3 2001/03/26 16:03:06 bjornw -*! Needs linux/config.h -*! -*! Revision 1.2 2001/03/20 19:42:00 bjornw -*! Use the ETRAX prefix on the DS1302 options -*! -*! Revision 1.1 2001/03/20 09:13:50 magnusmn -*! Linux 2.4 port -*! -*! Revision 1.10 2000/07/05 15:38:23 bjornw -*! Dont update kernel time when a RTC_SET_TIME is done -*! -*! Revision 1.9 2000/03/02 15:42:59 macce -*! * Hack to make RTC work on all 2100/2400 -*! -*! Revision 1.8 2000/02/23 16:59:18 torbjore -*! added setup of R_GEN_CONFIG when RTC is connected to the generic port. -*! -*! Revision 1.7 2000/01/17 15:51:43 johana -*! Added RTC_SET_CHARGE ioctl to enable trickle charger. -*! -*! Revision 1.6 1999/10/27 13:19:47 bjornw -*! Added update_xtime_from_cmos which reads back the updated RTC into the kernel. -*! /dev/rtc calls it now. -*! -*! Revision 1.5 1999/10/27 12:39:37 bjornw -*! Disabled superuser check. Anyone can now set the time. -*! -*! Revision 1.4 1999/09/02 13:27:46 pkj -*! Added shadow for R_PORT_PB_CONFIG. -*! Renamed port_g_shadow to port_g_data_shadow. -*! -*! Revision 1.3 1999/09/02 08:28:06 pkj -*! Made it possible to select either port PB or the generic port for the RST -*! signal line to the DS1302 RTC. -*! Also make sure the RST bit is configured as output on Port PB (if used). -*! -*! Revision 1.2 1999/09/01 14:47:20 bjornw -*! Added support for /dev/rtc operations with ioctl RD_TIME and SET_TIME to read -*! and set the date. Register as major 121. -*! -*! Revision 1.1 1999/09/01 09:45:29 bjornw -*! Implemented a DS1302 RTC driver. -*! -*! *! --------------------------------------------------------------------------- *! -*! (C) Copyright 1999, 2000, 2001, 2002, 2003, 2004 Axis Communications AB, LUND, SWEDEN -*! -*! $Id: ds1302.c,v 1.18 2005/01/24 09:11:26 mikaelam Exp $ +*! (C) Copyright 1999-2007 Axis Communications AB, LUND, SWEDEN *! *!***************************************************************************/ @@ -156,6 +29,8 @@ #include <asm/rtc.h> #include <asm/arch/io_interface_mux.h> +#include "i2c.h" + #define RTC_MAJOR_NR 121 /* local major, change later */ static const char ds1302_name[] = "ds1302"; diff --git a/arch/cris/arch-v10/kernel/io_interface_mux.c b/arch/cris/arch-v10/kernel/io_interface_mux.c index 3a9114e89edf..f3b327d4ed9c 100644 --- a/arch/cris/arch-v10/kernel/io_interface_mux.c +++ b/arch/cris/arch-v10/kernel/io_interface_mux.c @@ -392,6 +392,7 @@ int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id if (((interfaces[ioif].gpio_g_in & gpio_in_pins) != interfaces[ioif].gpio_g_in) || ((interfaces[ioif].gpio_g_out & gpio_out_pins) != interfaces[ioif].gpio_g_out) || ((interfaces[ioif].gpio_b & gpio_pb_pins) != interfaces[ioif].gpio_b)) { + local_irq_restore(flags); printk(KERN_CRIT "cris_request_io_interface: Could not get required pins for interface %u\n", ioif); return -EBUSY; diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index 41d4a5f93284..b6be705c2a3e 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -7,7 +7,7 @@ * * Ideas also taken from arch/arm. * - * Copyright (C) 2000, 2001 Axis Communications AB + * Copyright (C) 2000-2007 Axis Communications AB * * Authors: Bjorn Wesen (bjornw@axis.com) * @@ -40,84 +40,30 @@ */ #define RESTART_CRIS_SYS(regs) regs->r10 = regs->orig_r10; regs->irp -= 2; -int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs); +void do_signal(int canrestart, struct pt_regs *regs); /* - * Atomically swap in the new signal mask, and wait for a signal. Define + * Atomically swap in the new signal mask, and wait for a signal. Define * dummy arguments to be able to reach the regs argument. (Note that this * arrangement relies on old_sigset_t occupying one register.) */ -int -sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof, - long srp, struct pt_regs *regs) +int sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof, + long srp, struct pt_regs *regs) { - sigset_t saveset; - mask &= _BLOCKABLE; spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; siginitset(¤t->blocked, mask); recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - - regs->r10 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(0, &saveset, regs)) - /* We will get here twice: once to call the signal - handler, then again to return from the - sigsuspend system call. When calling the - signal handler, R10 holds the signal number as - set through do_signal. The sigsuspend call - will return with the restored value set above; - always -EINTR. */ - return regs->r10; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } -/* Define dummy arguments to be able to reach the regs argument. (Note that - * this arrangement relies on size_t occupying one register.) - */ -int -sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, long r12, long r13, - long mof, long srp, struct pt_regs *regs) -{ - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->r10 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(0, &saveset, regs)) - /* We will get here twice: once to call the signal - handler, then again to return from the - sigsuspend system call. When calling the - signal handler, R10 holds the signal number as - set through do_signal. The sigsuspend call - will return with the restored value set above; - always -EINTR. */ - return regs->r10; - } -} - -int -sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction *oact) +int sys_sigaction(int sig, const struct old_sigaction __user *act, + struct old_sigaction *oact) { struct k_sigaction new_ka, old_ka; int ret; @@ -147,8 +93,7 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, return ret; } -int -sys_sigaltstack(const stack_t *uss, stack_t __user *uoss) +int sys_sigaltstack(const stack_t *uss, stack_t __user *uoss) { return do_sigaltstack(uss, uoss, rdusp()); } @@ -205,7 +150,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) /* TODO: the other ports use regs->orig_XX to disable syscall checks * after this completes, but we don't use that mechanism. maybe we can - * use it now ? + * use it now ? */ return err; @@ -216,7 +161,7 @@ badframe: /* Define dummy arguments to be able to reach the regs argument. */ -asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, +asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, struct pt_regs *regs) { struct sigframe __user *frame = (struct sigframe *)rdusp(); @@ -243,7 +188,7 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, current->blocked = set; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - + if (restore_sigcontext(regs, &frame->sc)) goto badframe; @@ -254,11 +199,11 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, badframe: force_sig(SIGSEGV, current); return 0; -} +} /* Define dummy arguments to be able to reach the regs argument. */ -asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, +asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, struct pt_regs *regs) { struct rt_sigframe __user *frame = (struct rt_sigframe *)rdusp(); @@ -282,7 +227,7 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, current->blocked = set; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - + if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -294,14 +239,14 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, badframe: force_sig(SIGSEGV, current); return 0; -} +} /* * Set up a signal frame. */ -static int -setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned long mask) +static int setup_sigcontext(struct sigcontext __user *sc, + struct pt_regs *regs, unsigned long mask) { int err = 0; unsigned long usp = rdusp(); @@ -324,10 +269,11 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned lo return err; } -/* figure out where we want to put the new signal frame - usually on the stack */ +/* Figure out where we want to put the new signal frame + * - usually on the stack. */ static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) +get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) { unsigned long sp = rdusp(); @@ -345,15 +291,15 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) } /* grab and setup a signal frame. - * + * * basically we stack a lot of state info, and arrange for the * user-mode program to return to the kernel using either a * trampoline which performs the syscall sigreturn, or a provided * user-mode trampoline. */ -static void setup_frame(int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs * regs) +static int setup_frame(int sig, struct k_sigaction *ka, + sigset_t *set, struct pt_regs *regs) { struct sigframe __user *frame; unsigned long return_ip; @@ -401,14 +347,15 @@ static void setup_frame(int sig, struct k_sigaction *ka, wrusp((unsigned long)frame); - return; + return 0; give_sigsegv: force_sigsegv(sig, current); + return -EFAULT; } -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) +static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, + sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; unsigned long return_ip; @@ -443,9 +390,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* trampoline - the desired return ip is the retcode itself */ return_ip = (unsigned long)&frame->retcode; /* This is movu.w __NR_rt_sigreturn, r9; break 13; */ - err |= __put_user(0x9c5f, (short __user*)(frame->retcode+0)); - err |= __put_user(__NR_rt_sigreturn, (short __user*)(frame->retcode+2)); - err |= __put_user(0xe93d, (short __user*)(frame->retcode+4)); + err |= __put_user(0x9c5f, (short __user *)(frame->retcode+0)); + err |= __put_user(__NR_rt_sigreturn, + (short __user *)(frame->retcode+2)); + err |= __put_user(0xe93d, (short __user *)(frame->retcode+4)); } if (err) @@ -455,73 +403,81 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up registers for signal handler */ - regs->irp = (unsigned long) ka->sa.sa_handler; /* what we enter NOW */ - regs->srp = return_ip; /* what we enter LATER */ - regs->r10 = sig; /* first argument is signo */ - regs->r11 = (unsigned long) &frame->info; /* second argument is (siginfo_t *) */ - regs->r12 = 0; /* third argument is unused */ - - /* actually move the usp to reflect the stacked frame */ - + /* What we enter NOW */ + regs->irp = (unsigned long) ka->sa.sa_handler; + /* What we enter LATER */ + regs->srp = return_ip; + /* First argument is signo */ + regs->r10 = sig; + /* Second argument is (siginfo_t *) */ + regs->r11 = (unsigned long)&frame->info; + /* Third argument is unused */ + regs->r12 = 0; + + /* Actually move the usp to reflect the stacked frame */ wrusp((unsigned long)frame); - return; + return 0; give_sigsegv: force_sigsegv(sig, current); + return -EFAULT; } /* * OK, we're invoking a handler - */ + */ -static inline void -handle_signal(int canrestart, unsigned long sig, - siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs) +static inline int handle_signal(int canrestart, unsigned long sig, + siginfo_t *info, struct k_sigaction *ka, + sigset_t *oldset, struct pt_regs *regs) { + int ret; + /* Are we from a system call? */ if (canrestart) { /* If so, check system call restarting.. */ switch (regs->r10) { - case -ERESTART_RESTARTBLOCK: - case -ERESTARTNOHAND: - /* ERESTARTNOHAND means that the syscall should only be - restarted if there was no handler for the signal, and since - we only get here if there is a handler, we don't restart */ + case -ERESTART_RESTARTBLOCK: + case -ERESTARTNOHAND: + /* ERESTARTNOHAND means that the syscall should + * only be restarted if there was no handler for + * the signal, and since we only get here if there + * is a handler, we don't restart */ + regs->r10 = -EINTR; + break; + case -ERESTARTSYS: + /* ERESTARTSYS means to restart the syscall if + * there is no handler or the handler was + * registered with SA_RESTART */ + if (!(ka->sa.sa_flags & SA_RESTART)) { regs->r10 = -EINTR; break; - - case -ERESTARTSYS: - /* ERESTARTSYS means to restart the syscall if there is no - handler or the handler was registered with SA_RESTART */ - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->r10 = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - /* ERESTARTNOINTR means that the syscall should be called again - after the signal handler returns. */ - RESTART_CRIS_SYS(regs); + } + /* fallthrough */ + case -ERESTARTNOINTR: + /* ERESTARTNOINTR means that the syscall should + * be called again after the signal handler returns. */ + RESTART_CRIS_SYS(regs); } } /* Set up the stack frame */ if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, oldset, regs); else - setup_frame(sig, ka, oldset, regs); - - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + ret = setup_frame(sig, ka, oldset, regs); + + if (ret == 0) { + spin_lock_irq(¤t->sighand->siglock); + sigorsets(¤t->blocked, ¤t->blocked, + &ka->sa.sa_mask); + if (!(ka->sa.sa_flags & SA_NODEFER)) + sigaddset(¤t->blocked, sig); + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + } + return ret; } /* @@ -536,11 +492,12 @@ handle_signal(int canrestart, unsigned long sig, * mode below. */ -int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs) +void do_signal(int canrestart, struct pt_regs *regs) { siginfo_t info; int signr; struct k_sigaction ka; + sigset_t *oldset; /* * We want the common case to go fast, which @@ -549,16 +506,26 @@ int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs) * if so. */ if (!user_mode(regs)) - return 1; + return; - if (!oldset) + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - handle_signal(canrestart, signr, &info, &ka, oldset, regs); - return 1; + if (handle_signal(canrestart, signr, &info, &ka, + oldset, regs)) { + /* a signal was successfully delivered; the saved + * sigmask will have been stored in the signal frame, + * and will be restored by sigreturn, so we can simply + * clear the TIF_RESTORE_SIGMASK flag */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + } + return; } /* Did we come from a system call? */ @@ -569,10 +536,16 @@ int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs) regs->r10 == -ERESTARTNOINTR) { RESTART_CRIS_SYS(regs); } - if (regs->r10 == -ERESTART_RESTARTBLOCK){ + if (regs->r10 == -ERESTART_RESTARTBLOCK) { regs->r10 = __NR_restart_syscall; regs->irp -= 2; } } - return 0; + + /* if there's no signal to deliver, we just put the saved sigmask + * back */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } } diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c index 5976f6199c47..9310a7b476e9 100644 --- a/arch/cris/arch-v10/kernel/time.c +++ b/arch/cris/arch-v10/kernel/time.c @@ -13,6 +13,7 @@ #include <linux/swap.h> #include <linux/sched.h> #include <linux/init.h> +#include <linux/vmstat.h> #include <asm/arch/svinto.h> #include <asm/types.h> #include <asm/signal.h> diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S index 9859d49d088b..97a7876ed681 100644 --- a/arch/cris/arch-v10/vmlinux.lds.S +++ b/arch/cris/arch-v10/vmlinux.lds.S @@ -9,7 +9,8 @@ */ #include <asm-generic/vmlinux.lds.h> - +#include <asm/page.h> + jiffies = jiffies_64; SECTIONS { @@ -23,7 +24,7 @@ SECTIONS _stext = .; __stext = .; .text : { - *(.text) + TEXT_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) @@ -49,10 +50,10 @@ SECTIONS __edata = . ; /* End of data section */ _edata = . ; - . = ALIGN(8192); /* init_task and stack, must be aligned */ + . = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned */ .data.init_task : { *(.data.init_task) } - . = ALIGN(8192); /* Init code and data */ + . = ALIGN(PAGE_SIZE); /* Init code and data */ __init_begin = .; .init.text : { _sinittext = .; @@ -66,13 +67,7 @@ SECTIONS __setup_end = .; .initcall.init : { __initcall_start = .; - *(.initcall1.init); - *(.initcall2.init); - *(.initcall3.init); - *(.initcall4.init); - *(.initcall5.init); - *(.initcall6.init); - *(.initcall7.init); + INITCALLS __initcall_end = .; } @@ -88,16 +83,18 @@ SECTIONS __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; - /* We fill to the next page, so we can discard all init - pages without needing to consider what payload might be - appended to the kernel image. */ - FILL (0); - . = ALIGN (8192); } #endif - __vmlinux_end = .; /* last address of the physical file */ - __init_end = .; + + /* + * We fill to the next page, so we can discard all init + * pages without needing to consider what payload might be + * appended to the kernel image. + */ + . = ALIGN(PAGE_SIZE); + + __init_end = .; __data_end = . ; /* Move to _edata ? */ __bss_start = .; /* BSS */ diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 2173de9fe917..f6a1aeb742b3 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -1488,16 +1488,19 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) case LDFA_OP: case LDFCCLR_OP: case LDFCNC_OP: - case LDF_IMM_OP: - case LDFA_IMM_OP: - case LDFCCLR_IMM_OP: - case LDFCNC_IMM_OP: if (u.insn.x) ret = emulate_load_floatpair(ifa, u.insn, regs); else ret = emulate_load_float(ifa, u.insn, regs); break; + case LDF_IMM_OP: + case LDFA_IMM_OP: + case LDFCCLR_IMM_OP: + case LDFCNC_IMM_OP: + ret = emulate_load_float(ifa, u.insn, regs); + break; + case STF_OP: case STF_IMM_OP: ret = emulate_store_float(ifa, u.insn, regs); diff --git a/arch/ia64/sn/kernel/xp_nofault.S b/arch/ia64/sn/kernel/xp_nofault.S index 54e8973b6e99..98e7c7dbfdd8 100644 --- a/arch/ia64/sn/kernel/xp_nofault.S +++ b/arch/ia64/sn/kernel/xp_nofault.S @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2007 Silicon Graphics, Inc. All Rights Reserved. */ @@ -14,6 +14,11 @@ * PIO read fails, the MCA handler will force the error to look * corrected and vector to the xp_error_PIOR which will return an error. * + * The definition of "consumption" and the time it takes for an MCA + * to surface is processor implementation specific. This code + * is sufficient on Itanium through the Montvale processor family. + * It may need to be adjusted for future processor implementations. + * * extern int xp_nofault_PIOR(void *remote_register); */ @@ -22,11 +27,10 @@ xp_nofault_PIOR: mov r8=r0 // Stage a success return value ld8.acq r9=[r32];; // PIO Read the specified register adds r9=1,r9;; // Add to force consumption - or r9=r9,r9;; // Or to force consumption + srlz.i;; // Allow time for MCA to surface br.ret.sptk.many b0;; // Return success .global xp_error_PIOR xp_error_PIOR: mov r8=1 // Return value of 1 br.ret.sptk.many b0;; // Return failure - diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c6fc405a6c8e..b22c043b6ef8 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -59,6 +59,8 @@ config BCM47XX select SYS_SUPPORTS_LITTLE_ENDIAN select SSB select SSB_DRIVER_MIPS + select SSB_DRIVER_EXTIF + select SSB_PCICORE_HOSTMODE if PCI select GENERIC_GPIO select SYS_HAS_EARLY_PRINTK select CFE @@ -992,8 +994,6 @@ config BOOT_ELF64 menu "CPU selection" -source "kernel/time/Kconfig" - choice prompt "CPU type" default CPU_R4X00 @@ -1768,6 +1768,8 @@ config NR_CPUS performance should round up your number of processors to the next power of two. +source "kernel/time/Kconfig" + # # Timer Interrupt Frequency Configuration # diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index 6fa70a36a250..ce771487567d 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c @@ -1,8 +1,8 @@ /* * BRIEF MODULE DESCRIPTION - * Alchemy/AMD Au1x00 pci support. + * Alchemy/AMD Au1x00 PCI support. * - * Copyright 2001,2002,2003 MontaVista Software Inc. + * Copyright 2001-2003, 2007 MontaVista Software Inc. * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * @@ -66,6 +66,8 @@ static unsigned long virt_io_addr; static int __init au1x_pci_setup(void) { + extern void au1x_pci_cfg_init(void); + #if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550) virt_io_addr = (unsigned long)ioremap(Au1500_PCI_IO_START, Au1500_PCI_IO_END - Au1500_PCI_IO_START + 1); @@ -94,6 +96,8 @@ static int __init au1x_pci_setup(void) set_io_port_base(virt_io_addr); #endif + au1x_pci_cfg_init(); + register_pci_controller(&au1x_controller); return 0; } diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c index db330e811025..d1ba701c9dd1 100644 --- a/arch/mips/cobalt/console.c +++ b/arch/mips/cobalt/console.c @@ -4,10 +4,15 @@ #include <linux/io.h> #include <linux/serial_reg.h> +#include <cobalt.h> + #define UART_BASE ((void __iomem *)CKSEG1ADDR(0x1c800000)) void prom_putchar(char c) { + if (cobalt_board_id <= COBALT_BRD_ID_QUBE1) + return; + while (!(readb(UART_BASE + UART_LSR) & UART_LSR_THRE)) ; diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index 236768731063..50be56c9e9ef 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -136,7 +136,8 @@ EXPORT(_stext) * kernel load address. This is needed because this platform does * not have a ELF loader yet. */ - __INIT +FEXPORT(__kernel_entry) + j kernel_entry #endif __INIT_REFOK diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 7f6ddcb5d485..f8a535afce39 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -269,7 +269,7 @@ static void __init bootmem_init(void) static void __init bootmem_init(void) { - unsigned long init_begin, reserved_end; + unsigned long reserved_end; unsigned long mapstart = ~0UL; unsigned long bootmap_size; int i; @@ -344,7 +344,6 @@ static void __init bootmem_init(void) min_low_pfn, max_low_pfn); - init_begin = PFN_UP(__pa_symbol(&__init_begin)); for (i = 0; i < boot_mem_map.nr_map; i++) { unsigned long start, end; @@ -352,8 +351,8 @@ static void __init bootmem_init(void) end = PFN_DOWN(boot_mem_map.map[i].addr + boot_mem_map.map[i].size); - if (start <= init_begin) - start = init_begin; + if (start <= min_low_pfn) + start = min_low_pfn; if (start >= end) continue; diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 1ecfbb7eba6c..2995be1ab3ca 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -147,9 +147,9 @@ static __init int cpu_has_mfc0_count_bug(void) return 1; /* - * I don't have erratas for newer R4400 so be paranoid. + * we assume newer revisions are ok */ - return 1; + return 0; } return 0; diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile index 5332449ec040..460626b6d62f 100644 --- a/arch/mips/lasat/image/Makefile +++ b/arch/mips/lasat/image/Makefile @@ -12,11 +12,11 @@ endif MKLASATIMG = mklasatimg MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200 -KERNEL_IMAGE = $(TOPDIR)/vmlinux +KERNEL_IMAGE = vmlinux KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ ) KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ ) -LDSCRIPT= -L$(obj) -Tromscript.normal +LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \ -D_kernel_entry=0x$(KERNEL_ENTRY) \ @@ -24,7 +24,7 @@ HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \ -D TIMESTAMP=$(shell date +%s) $(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE) - $(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $< + $(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $< OBJECTS = head.o kImage.o diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c index 2c5c27c8e86d..dc272c188233 100644 --- a/arch/mips/mips-boards/generic/memory.c +++ b/arch/mips/mips-boards/generic/memory.c @@ -169,7 +169,6 @@ void __init prom_meminit(void) void __init prom_free_prom_memory(void) { -#if 0 /* for now ... */ unsigned long addr; int i; @@ -181,5 +180,4 @@ void __init prom_free_prom_memory(void) free_init_pages("prom memory", addr, addr + boot_mem_map.map[i].size); } -#endif } diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c index 7a1bb51f81ee..583d468d98a9 100644 --- a/arch/mips/mips-boards/generic/reset.c +++ b/arch/mips/mips-boards/generic/reset.c @@ -39,16 +39,18 @@ static void atlas_machine_power_off(void); static void mips_machine_restart(char *command) { - unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int)); + unsigned int __iomem *softres_reg = + ioremap(SOFTRES_REG, sizeof(unsigned int)); - writew(GORESET, softres_reg); + __raw_writel(GORESET, softres_reg); } static void mips_machine_halt(void) { - unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int)); + unsigned int __iomem *softres_reg = + ioremap(SOFTRES_REG, sizeof(unsigned int)); - writew(GORESET, softres_reg); + __raw_writel(GORESET, softres_reg); } #if defined(CONFIG_MIPS_ATLAS) diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c index 9a2636e56243..bc43a5c2224d 100644 --- a/arch/mips/mips-boards/malta/malta_setup.c +++ b/arch/mips/mips-boards/malta/malta_setup.c @@ -149,7 +149,7 @@ void __init plat_mem_setup(void) /* Check PCI clock */ { unsigned int __iomem *jmpr_p = (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int)); - int jmpr = (readw(jmpr_p) >> 2) & 0x07; + int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07; static const int pciclocks[] __initdata = { 33, 20, 25, 30, 12, 16, 37, 10 }; diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index ae76795685cc..810535dd091b 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -45,7 +45,7 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) /* ignore region specifiers */ gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); -#ifdef CONFIG_ZONE_DMA32 +#ifdef CONFIG_ZONE_DMA if (dev == NULL) gfp |= __GFP_DMA; else if (dev->coherent_dma_mask < DMA_BIT_MASK(24)) diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c index f7df1142912b..9553b14002dd 100644 --- a/arch/mips/pci/fixup-cobalt.c +++ b/arch/mips/pci/fixup-cobalt.c @@ -177,7 +177,7 @@ static char irq_tab_raq2[] __initdata = { int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - if (cobalt_board_id < COBALT_BRD_ID_QUBE2) + if (cobalt_board_id <= COBALT_BRD_ID_QUBE1) return irq_tab_qube1[slot]; if (cobalt_board_id == COBALT_BRD_ID_RAQ2) diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 6b29904acf45..1314bd58f036 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -1,8 +1,8 @@ /* * BRIEF MODULE DESCRIPTION - * Alchemy/AMD Au1x00 pci support. + * Alchemy/AMD Au1x00 PCI support. * - * Copyright 2001,2002,2003 MontaVista Software Inc. + * Copyright 2001-2003, 2007 MontaVista Software Inc. * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * @@ -69,10 +69,27 @@ void mod_wired_entry(int entry, unsigned long entrylo0, write_c0_pagemask(old_pagemask); } -struct vm_struct *pci_cfg_vm; +static struct vm_struct *pci_cfg_vm; static int pci_cfg_wired_entry; -static int first_cfg = 1; -unsigned long last_entryLo0, last_entryLo1; +static unsigned long last_entryLo0, last_entryLo1; + +/* + * We can't ioremap the entire pci config space because it's too large. + * Nor can we call ioremap dynamically because some device drivers use + * the PCI config routines from within interrupt handlers and that + * becomes a problem in get_vm_area(). We use one wired TLB to handle + * all config accesses for all busses. + */ +void __init au1x_pci_cfg_init(void) +{ + /* Reserve a wired entry for PCI config accesses */ + pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP); + if (!pci_cfg_vm) + panic(KERN_ERR "PCI unable to get vm area\n"); + pci_cfg_wired_entry = read_c0_wired(); + add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K); + last_entryLo0 = last_entryLo1 = 0xffffffff; +} static int config_access(unsigned char access_type, struct pci_bus *bus, unsigned int dev_fn, unsigned char where, @@ -97,27 +114,6 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, Au1500_PCI_STATCMD); au_sync_udelay(1); - /* - * We can't ioremap the entire pci config space because it's - * too large. Nor can we call ioremap dynamically because some - * device drivers use the pci config routines from within - * interrupt handlers and that becomes a problem in get_vm_area(). - * We use one wired tlb to handle all config accesses for all - * busses. To improve performance, if the current device - * is the same as the last device accessed, we don't touch the - * tlb. - */ - if (first_cfg) { - /* reserve a wired entry for pci config accesses */ - first_cfg = 0; - pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP); - if (!pci_cfg_vm) - panic(KERN_ERR "PCI unable to get vm area\n"); - pci_cfg_wired_entry = read_c0_wired(); - add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K); - last_entryLo0 = last_entryLo1 = 0xffffffff; - } - /* Allow board vendors to implement their own off-chip idsel. * If it doesn't succeed, may as well bail out at this point. */ @@ -144,9 +140,12 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, /* page boundary */ cfg_base = cfg_base & PAGE_MASK; + /* + * To improve performance, if the current device is the same as + * the last device accessed, we don't touch the TLB. + */ entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7; entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7; - if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) { mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1, (unsigned long)pci_cfg_vm->addr, PM_4K); diff --git a/arch/mips/pci/ops-mace.c b/arch/mips/pci/ops-mace.c index fe5451449304..e95881897ec9 100644 --- a/arch/mips/pci/ops-mace.c +++ b/arch/mips/pci/ops-mace.c @@ -42,6 +42,10 @@ static int mace_pci_read_config(struct pci_bus *bus, unsigned int devfn, int reg, int size, u32 *val) { + u32 control = mace->pci.control; + + /* disable master aborts interrupts during config read */ + mace->pci.control = control & ~MACEPCI_CONTROL_MAR_INT; mace->pci.config_addr = mkaddr(bus, devfn, reg); switch (size) { case 1: @@ -54,6 +58,9 @@ mace_pci_read_config(struct pci_bus *bus, unsigned int devfn, *val = mace->pci.config_data.l; break; } + /* ack possible master abort */ + mace->pci.error &= ~MACEPCI_ERROR_MASTER_ABORT; + mace->pci.control = control; DPRINTK("read%d: reg=%08x,val=%02x\n", size * 8, reg, *val); diff --git a/arch/mips/pci/pci-ip32.c b/arch/mips/pci/pci-ip32.c index 618ea7dbc474..532b561b4442 100644 --- a/arch/mips/pci/pci-ip32.c +++ b/arch/mips/pci/pci-ip32.c @@ -119,6 +119,7 @@ static struct pci_controller mace_pci_controller = { .iommu = 0, .mem_offset = MACE_PCI_MEM_OFFSET, .io_offset = 0, + .io_map_base = CKSEG1ADDR(MACEPCI_LOW_IO), }; static int __init mace_init(void) @@ -135,7 +136,8 @@ static int __init mace_init(void) BUG_ON(request_irq(MACE_PCI_BRIDGE_IRQ, macepci_error, 0, "MACE PCI error", NULL)); - iomem_resource = mace_pci_mem_resource; + /* extend memory resources */ + iomem_resource.end = mace_pci_mem_resource.end; ioport_resource = mace_pci_io_resource; register_pci_controller(&mace_pci_controller); diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c index e818fd0f1584..6d494e0de3d9 100644 --- a/arch/mips/philips/pnx8550/common/time.c +++ b/arch/mips/philips/pnx8550/common/time.c @@ -22,7 +22,6 @@ #include <linux/kernel_stat.h> #include <linux/spinlock.h> #include <linux/interrupt.h> -#include <linux/module.h> #include <asm/bootinfo.h> #include <asm/cpu.h> @@ -41,11 +40,60 @@ static cycle_t hpt_read(void) return read_c0_count2(); } +static struct clocksource pnx_clocksource = { + .name = "pnx8xxx", + .rating = 200, + .read = hpt_read, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + static void timer_ack(void) { write_c0_compare(cpj); } +static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *c = dev_id; + + /* clear MATCH, signal the event */ + c->event_handler(c); + + return IRQ_HANDLED; +} + +static struct irqaction pnx8xxx_timer_irq = { + .handler = pnx8xxx_timer_interrupt, + .flags = IRQF_DISABLED | IRQF_PERCPU, + .name = "pnx8xxx_timer", +}; + +static irqreturn_t monotonic_interrupt(int irq, void *dev_id) +{ + /* Timer 2 clear interrupt */ + write_c0_compare2(-1); + return IRQ_HANDLED; +} + +static struct irqaction monotonic_irqaction = { + .handler = monotonic_interrupt, + .flags = IRQF_DISABLED, + .name = "Monotonic timer", +}; + +static int pnx8xxx_set_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + write_c0_compare(delta); + return 0; +} + +static struct clock_event_device pnx8xxx_clockevent = { + .name = "pnx8xxx_clockevent", + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = pnx8xxx_set_next_event, +}; + /* * plat_time_init() - it does the following things: * @@ -58,11 +106,34 @@ static void timer_ack(void) __init void plat_time_init(void) { + unsigned int configPR; unsigned int n; unsigned int m; unsigned int p; unsigned int pow2p; + clockevents_register_device(&pnx8xxx_clockevent); + clocksource_register(&pnx_clocksource); + + setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq); + setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); + + /* Timer 1 start */ + configPR = read_c0_config7(); + configPR &= ~0x00000008; + write_c0_config7(configPR); + + /* Timer 2 start */ + configPR = read_c0_config7(); + configPR &= ~0x00000010; + write_c0_config7(configPR); + + /* Timer 3 stop */ + configPR = read_c0_config7(); + configPR |= 0x00000020; + write_c0_config7(configPR); + + /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */ /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1: FIXME) */ @@ -87,42 +158,6 @@ __init void plat_time_init(void) write_c0_count2(0); write_c0_compare2(0xffffffff); - clocksource_mips.read = hpt_read; - mips_timer_ack = timer_ack; -} - -static irqreturn_t monotonic_interrupt(int irq, void *dev_id) -{ - /* Timer 2 clear interrupt */ - write_c0_compare2(-1); - return IRQ_HANDLED; } -static struct irqaction monotonic_irqaction = { - .handler = monotonic_interrupt, - .flags = IRQF_DISABLED, - .name = "Monotonic timer", -}; -void __init plat_timer_setup(struct irqaction *irq) -{ - int configPR; - - setup_irq(PNX8550_INT_TIMER1, irq); - setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction); - - /* Timer 1 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000008; - write_c0_config7(configPR); - - /* Timer 2 start */ - configPR = read_c0_config7(); - configPR &= ~0x00000010; - write_c0_config7(configPR); - - /* Timer 3 stop */ - configPR = read_c0_config7(); - configPR |= 0x00000020; - write_c0_config7(configPR); -} diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index cab7cc22ab67..b0ea0e43ba48 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -426,7 +426,6 @@ static void ip32_irq0(void) crime_int = crime->istat & crime_mask; irq = MACE_VID_IN1_IRQ + __ffs(crime_int); - crime_int = 1 << irq; if (crime_int & CRIME_MACEISA_INT_MASK) { unsigned long mace_int = mace->perif.ctrl.istat; diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c index 77febd68fcd4..89a71f49b692 100644 --- a/arch/mips/sgi-ip32/ip32-platform.c +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -13,21 +13,22 @@ #include <asm/ip32/mace.h> #include <asm/ip32/ip32_ints.h> -/* - * .iobase isn't a constant (in the sense of C) so we fill it in at runtime. - */ -#define MACE_PORT(int) \ +#define MACEISA_SERIAL1_OFFS offsetof(struct sgi_mace, isa.serial1) +#define MACEISA_SERIAL2_OFFS offsetof(struct sgi_mace, isa.serial2) + +#define MACE_PORT(offset,_irq) \ { \ - .irq = int, \ + .mapbase = MACE_BASE + offset, \ + .irq = _irq, \ .uartclk = 1843200, \ .iotype = UPIO_MEM, \ - .flags = UPF_SKIP_TEST, \ + .flags = UPF_SKIP_TEST|UPF_IOREMAP, \ .regshift = 8, \ } static struct plat_serial8250_port uart8250_data[] = { - MACE_PORT(MACEISA_SERIAL1_IRQ), - MACE_PORT(MACEISA_SERIAL2_IRQ), + MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ), + MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ), { }, }; @@ -41,9 +42,6 @@ static struct platform_device uart8250_device = { static int __init uart8250_init(void) { - uart8250_data[0].membase = (void __iomem *) &mace->isa.serial1; - uart8250_data[1].membase = (void __iomem *) &mace->isa.serial2; - return platform_device_register(&uart8250_device); } diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c index 4a8152375efe..632e5d201353 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c @@ -598,8 +598,8 @@ static int __init rbtx4938_ethaddr_init(void) printk(KERN_WARNING "seeprom: bad checksum.\n"); } for (i = 0; i < 2; i++) { - unsigned int slot = TX4938_PCIC_IDSEL_AD_TO_SLOT(31 - i); - unsigned int id = (1 << 8) | PCI_DEVFN(slot, 0); /* bus 1 */ + unsigned int id = + TXX9_IRQ_BASE + (i ? TX4938_IR_ETH1 : TX4938_IR_ETH0); struct platform_device *pdev; if (!(tx4938_ccfgptr->pcfg & (i ? TX4938_PCFG_ETH1_SEL : TX4938_PCFG_ETH0_SEL))) diff --git a/arch/powerpc/boot/flatdevtree_env.h b/arch/powerpc/boot/flatdevtree_env.h index ad0420da8921..66e0ebb1a364 100644 --- a/arch/powerpc/boot/flatdevtree_env.h +++ b/arch/powerpc/boot/flatdevtree_env.h @@ -2,7 +2,7 @@ * This file adds the header file glue so that the shared files * flatdevicetree.[ch] can compile and work in the powerpc bootwrapper. * - * strncmp & strchr copied from <file:lib/strings.c> + * strncmp & strchr copied from <file:lib/string.c> * Copyright (C) 1991, 1992 Linus Torvalds * * Maintained by: Mark A. Greer <mgreer@mvista.com> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 47c3fe55242f..a3c406aca664 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -278,6 +278,7 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, unsigned long flags; struct scatterlist *s, *outs, *segstart; int outcount, incount, i; + unsigned int align; unsigned long handle; BUG_ON(direction == DMA_NONE); @@ -309,7 +310,12 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist, /* Allocate iommu entries for that segment */ vaddr = (unsigned long) sg_virt(s); npages = iommu_num_pages(vaddr, slen); - entry = iommu_range_alloc(tbl, npages, &handle, mask >> IOMMU_PAGE_SHIFT, 0); + align = 0; + if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE && + (vaddr & ~PAGE_MASK) == 0) + align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; + entry = iommu_range_alloc(tbl, npages, &handle, + mask >> IOMMU_PAGE_SHIFT, align); DBG(" - vaddr: %lx, size: %lx\n", vaddr, slen); @@ -570,7 +576,7 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, { dma_addr_t dma_handle = DMA_ERROR_CODE; unsigned long uaddr; - unsigned int npages; + unsigned int npages, align; BUG_ON(direction == DMA_NONE); @@ -578,8 +584,13 @@ dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr, npages = iommu_num_pages(uaddr, size); if (tbl) { + align = 0; + if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && size >= PAGE_SIZE && + ((unsigned long)vaddr & ~PAGE_MASK) == 0) + align = PAGE_SHIFT - IOMMU_PAGE_SHIFT; + dma_handle = iommu_alloc(tbl, vaddr, npages, direction, - mask >> IOMMU_PAGE_SHIFT, 0); + mask >> IOMMU_PAGE_SHIFT, align); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { printk(KERN_INFO "iommu_alloc failed, " diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 1add6efdb315..5d89a21dd0d6 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2216,6 +2216,45 @@ static void __init fixup_device_tree_efika(void) prom_printf("fixup_device_tree_efika: ", "skipped entry %x - setprop error\n", i); } + + /* Make sure ethernet mdio bus node exists */ + node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio")); + if (!PHANDLE_VALID(node)) { + prom_printf("Adding Ethernet MDIO node\n"); + call_prom("interpret", 1, 1, + " s\" /builtin\" find-device" + " new-device" + " 1 encode-int s\" #address-cells\" property" + " 0 encode-int s\" #size-cells\" property" + " s\" mdio\" 2dup device-name device-type" + " s\" mpc5200b-fec-phy\" encode-string" + " s\" compatible\" property" + " 0xf0003000 0x400 reg" + " 0x2 encode-int" + " 0x5 encode-int encode+" + " 0x3 encode-int encode+" + " s\" interrupts\" property" + " finish-device"); + }; + + /* Make sure ethernet phy device node exist */ + node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio/ethernet-phy")); + if (!PHANDLE_VALID(node)) { + prom_printf("Adding Ethernet PHY node\n"); + call_prom("interpret", 1, 1, + " s\" /builtin/mdio\" find-device" + " new-device" + " s\" ethernet-phy\" device-name" + " 0x10 encode-int s\" reg\" property" + " my-self" + " ihandle>phandle" + " finish-device" + " s\" /builtin/ethernet\" find-device" + " encode-int" + " s\" phy-handle\" property" + " device-end"); + } + } #else #define fixup_device_tree_efika() diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 3cf0802cd2b6..47b06bad24ad 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -295,6 +295,8 @@ void slb_initialize(void) create_shadowed_slbe(VMALLOC_START, mmu_kernel_ssize, vflags, 1); + slb_shadow_clear(2); + /* We don't bolt the stack for the time being - we're in boot, * so the stack is in the bolted segment. By the time it goes * elsewhere, we'll call _switch() which will bolt in the new diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index e1e2f6a43019..3a963b4a9be0 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -88,3 +88,8 @@ config CBE_CPUFREQ_PMI but also at lower core voltage. endmenu + +config OPROFILE_CELL + def_bool y + depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y) + diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 3cd565a04d0a..c89964c6fb1f 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -19,6 +19,7 @@ spu-manage-$(CONFIG_PPC_CELLEB) += spu_manage.o spu-manage-$(CONFIG_PPC_CELL_NATIVE) += spu_manage.o obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \ + spu_notify.o \ spu_syscalls.o spu_fault.o \ $(spu-priv1-y) \ $(spu-manage-y) \ diff --git a/arch/powerpc/platforms/cell/spu_notify.c b/arch/powerpc/platforms/cell/spu_notify.c new file mode 100644 index 000000000000..34d156959f39 --- /dev/null +++ b/arch/powerpc/platforms/cell/spu_notify.c @@ -0,0 +1,67 @@ +/* + * Move OProfile dependencies from spufs module to the kernel so it + * can run on non-cell PPC. + * + * Copyright (C) IBM 2005 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#undef DEBUG + +#include <linux/module.h> +#include <asm/spu.h> +#include "spufs/spufs.h" + +static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier); + +void spu_switch_notify(struct spu *spu, struct spu_context *ctx) +{ + blocking_notifier_call_chain(&spu_switch_notifier, + ctx ? ctx->object_id : 0, spu); +} +EXPORT_SYMBOL_GPL(spu_switch_notify); + +int spu_switch_event_register(struct notifier_block *n) +{ + int ret; + ret = blocking_notifier_chain_register(&spu_switch_notifier, n); + if (!ret) + notify_spus_active(); + return ret; +} +EXPORT_SYMBOL_GPL(spu_switch_event_register); + +int spu_switch_event_unregister(struct notifier_block *n) +{ + return blocking_notifier_chain_unregister(&spu_switch_notifier, n); +} +EXPORT_SYMBOL_GPL(spu_switch_event_unregister); + +void spu_set_profile_private_kref(struct spu_context *ctx, + struct kref *prof_info_kref, + void (* prof_info_release) (struct kref *kref)) +{ + ctx->prof_priv_kref = prof_info_kref; + ctx->prof_priv_release = prof_info_release; +} +EXPORT_SYMBOL_GPL(spu_set_profile_private_kref); + +void *spu_get_profile_private_kref(struct spu_context *ctx) +{ + return ctx->prof_priv_kref; +} +EXPORT_SYMBOL_GPL(spu_get_profile_private_kref); + diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index a9438b719fe8..75530d99eda6 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -145,6 +145,20 @@ int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset) return ret; } +void notify_spus_active(void) +{ + struct spufs_calls *calls; + + calls = spufs_calls_get(); + if (!calls) + return; + + calls->notify_spus_active(); + spufs_calls_put(calls); + + return; +} + int register_spu_syscalls(struct spufs_calls *calls) { if (spufs_calls) diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 237e152d31dc..133995ed5cc7 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -177,19 +177,3 @@ void spu_release_saved(struct spu_context *ctx) spu_release(ctx); } -void spu_set_profile_private_kref(struct spu_context *ctx, - struct kref *prof_info_kref, - void ( * prof_info_release) (struct kref *kref)) -{ - ctx->prof_priv_kref = prof_info_kref; - ctx->prof_priv_release = prof_info_release; -} -EXPORT_SYMBOL_GPL(spu_set_profile_private_kref); - -void *spu_get_profile_private_kref(struct spu_context *ctx) -{ - return ctx->prof_priv_kref; -} -EXPORT_SYMBOL_GPL(spu_get_profile_private_kref); - - diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 8c8af11b35b4..00d914232af1 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -182,15 +182,7 @@ static int node_allowed(struct spu_context *ctx, int node) return rval; } -static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier); - -void spu_switch_notify(struct spu *spu, struct spu_context *ctx) -{ - blocking_notifier_call_chain(&spu_switch_notifier, - ctx ? ctx->object_id : 0, spu); -} - -static void notify_spus_active(void) +void do_notify_spus_active(void) { int node; @@ -217,22 +209,6 @@ static void notify_spus_active(void) } } -int spu_switch_event_register(struct notifier_block * n) -{ - int ret; - ret = blocking_notifier_chain_register(&spu_switch_notifier, n); - if (!ret) - notify_spus_active(); - return ret; -} -EXPORT_SYMBOL_GPL(spu_switch_event_register); - -int spu_switch_event_unregister(struct notifier_block * n) -{ - return blocking_notifier_chain_unregister(&spu_switch_notifier, n); -} -EXPORT_SYMBOL_GPL(spu_switch_event_unregister); - /** * spu_bind_context - bind spu context to physical spu * @spu: physical spu to bind to diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index 2c34f7170190..430404413178 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -86,5 +86,6 @@ struct spufs_calls spufs_calls = { .spu_run = do_spu_run, .coredump_extra_notes_size = spufs_coredump_extra_notes_size, .coredump_extra_notes_write = spufs_coredump_extra_notes_write, + .notify_spus_active = do_notify_spus_active, .owner = THIS_MODULE, }; diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 766685ab26f8..b9ea09d9d2fb 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -23,6 +23,7 @@ #include <linux/workqueue.h> #include <linux/fs.h> #include <linux/syscalls.h> +#include <linux/ctype.h> #include <asm/lmb.h> @@ -37,6 +38,8 @@ enum os_area_ldr_format { HEADER_LDR_FORMAT_GZIP = 1, }; +#define OS_AREA_HEADER_MAGIC_NUM "cell_ext_os_area" + /** * struct os_area_header - os area header segment. * @magic_num: Always 'cell_ext_os_area'. @@ -114,13 +117,11 @@ struct os_area_params { u8 _reserved_5[8]; }; -enum { - OS_AREA_DB_MAGIC_NUM = 0x2d64622dU, -}; +#define OS_AREA_DB_MAGIC_NUM "-db-" /** * struct os_area_db - Shared flash memory database. - * @magic_num: Always '-db-' = 0x2d64622d. + * @magic_num: Always '-db-'. * @version: os_area_db format version number. * @index_64: byte offset of the database id index for 64 bit variables. * @count_64: number of usable 64 bit index entries @@ -135,7 +136,7 @@ enum { */ struct os_area_db { - u32 magic_num; + u8 magic_num[4]; u16 version; u16 _reserved_1; u16 index_64; @@ -265,12 +266,26 @@ static void __init os_area_get_property(struct device_node *node, prop->name); } +static void dump_field(char *s, const u8 *field, int size_of_field) +{ +#if defined(DEBUG) + int i; + + for (i = 0; i < size_of_field; i++) + s[i] = isprint(field[i]) ? field[i] : '.'; + s[i] = 0; +#endif +} + #define dump_header(_a) _dump_header(_a, __func__, __LINE__) static void _dump_header(const struct os_area_header *h, const char *func, int line) { + char str[sizeof(h->magic_num) + 1]; + + dump_field(str, h->magic_num, sizeof(h->magic_num)); pr_debug("%s:%d: h.magic_num: '%s'\n", func, line, - h->magic_num); + str); pr_debug("%s:%d: h.hdr_version: %u\n", func, line, h->hdr_version); pr_debug("%s:%d: h.db_area_offset: %u\n", func, line, @@ -311,7 +326,8 @@ static void _dump_params(const struct os_area_params *p, const char *func, static int verify_header(const struct os_area_header *header) { - if (memcmp(header->magic_num, "cell_ext_os_area", 16)) { + if (memcmp(header->magic_num, OS_AREA_HEADER_MAGIC_NUM, + sizeof(header->magic_num))) { pr_debug("%s:%d magic_num failed\n", __func__, __LINE__); return -1; } @@ -331,7 +347,8 @@ static int verify_header(const struct os_area_header *header) static int db_verify(const struct os_area_db *db) { - if (db->magic_num != OS_AREA_DB_MAGIC_NUM) { + if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM, + sizeof(db->magic_num))) { pr_debug("%s:%d magic_num failed\n", __func__, __LINE__); return -1; } @@ -484,8 +501,11 @@ static int db_get_rtc_diff(const struct os_area_db *db, int64_t *rtc_diff) static void _dump_db(const struct os_area_db *db, const char *func, int line) { + char str[sizeof(db->magic_num) + 1]; + + dump_field(str, db->magic_num, sizeof(db->magic_num)); pr_debug("%s:%d: db.magic_num: '%s'\n", func, line, - (const char*)&db->magic_num); + str); pr_debug("%s:%d: db.version: %u\n", func, line, db->version); pr_debug("%s:%d: db.index_64: %u\n", func, line, @@ -516,7 +536,7 @@ static void os_area_db_init(struct os_area_db *db) memset(db, 0, sizeof(struct os_area_db)); - db->magic_num = OS_AREA_DB_MAGIC_NUM; + memcpy(db->magic_num, OS_AREA_DB_MAGIC_NUM, sizeof(db->magic_num)); db->version = 1; db->index_64 = HEADER_SIZE; db->count_64 = VALUES_64_COUNT; diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index fc48b96c81bf..412e6b42986f 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -29,6 +29,7 @@ #include <asm/vdso_datapage.h> #include <asm/pSeries_reconfig.h> #include "xics.h" +#include "plpar_wrappers.h" /* This version can't take the spinlock, because it never returns */ static struct rtas_args rtas_stop_self_args = { @@ -58,6 +59,7 @@ static void pseries_mach_cpu_die(void) local_irq_disable(); idle_task_exit(); xics_teardown_cpu(0); + unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow())); rtas_stop_self(); /* Should never get here... */ BUG(); diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c index fe562db475e9..7452269bba2a 100644 --- a/arch/sparc/kernel/ptrace.c +++ b/arch/sparc/kernel/ptrace.c @@ -5,7 +5,7 @@ * Based upon code written by Ross Biro, Linus Torvalds, Bob Manson, * and David Mosberger. * - * Added Linux support -miguel (weird, eh?, the orignal code was meant + * Added Linux support -miguel (weird, eh?, the original code was meant * to emulate SunOS). */ diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 45cb7c5286d7..00b393c3a4a0 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -436,7 +436,14 @@ void __init time_init(void) static inline unsigned long do_gettimeoffset(void) { - return (*master_l10_counter >> 10) & 0x1fffff; + unsigned long val = *master_l10_counter; + unsigned long usec = (val >> 10) & 0x1fffff; + + /* Limit hit? */ + if (val & 0x80000000) + usec += 1000000 / HZ; + + return usec; } /* Ok, my cute asm atomicity trick doesn't work anymore. diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S index 964527d2ffa0..cef8defcd7a9 100644 --- a/arch/sparc64/kernel/ktlb.S +++ b/arch/sparc64/kernel/ktlb.S @@ -1,6 +1,6 @@ /* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling. * - * Copyright (C) 1995, 1997, 2005 David S. Miller <davem@davemloft.net> + * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net> * Copyright (C) 1996 Eddie C. Dost (ecd@brainaid.de) * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx) * Copyright (C) 1996,98,99 Jakub Jelinek (jj@sunsite.mff.cuni.cz) @@ -226,6 +226,7 @@ kvmap_dtlb_load: ba,pt %xcc, sun4v_dtlb_load mov %g5, %g3 +#ifdef CONFIG_SPARSEMEM_VMEMMAP kvmap_vmemmap: sub %g4, %g5, %g5 srlx %g5, 22, %g5 @@ -234,6 +235,7 @@ kvmap_vmemmap: or %g1, %lo(vmemmap_table), %g1 ba,pt %xcc, kvmap_dtlb_load ldx [%g1 + %g5], %g5 +#endif kvmap_dtlb_nonlinear: /* Catch kernel NULL pointer derefs. */ @@ -242,12 +244,14 @@ kvmap_dtlb_nonlinear: bleu,pn %xcc, kvmap_dtlb_longpath nop +#ifdef CONFIG_SPARSEMEM_VMEMMAP /* Do not use the TSB for vmemmap. */ mov (VMEMMAP_BASE >> 24), %g5 sllx %g5, 24, %g5 cmp %g4,%g5 bgeu,pn %xcc, kvmap_vmemmap nop +#endif KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load) diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 63b3ebc0c3c2..a61c38fe75ea 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -1275,4 +1275,20 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask) return (device_mask & dma_addr_mask) == dma_addr_mask; } +void pci_resource_to_user(const struct pci_dev *pdev, int bar, + const struct resource *rp, resource_size_t *start, + resource_size_t *end) +{ + struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; + unsigned long offset; + + if (rp->flags & IORESOURCE_IO) + offset = pbm->io_space.start; + else + offset = pbm->mem_space.start; + + *start = rp->start - offset; + *end = rp->end - offset; +} + #endif /* !(CONFIG_PCI) */ diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index 9546ba9f5dee..e752e75cce83 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -850,7 +850,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino) /* How the Tomatillo IRQs are routed around is pure guesswork here. * * All the Tomatillo devices I see in prtconf dumps seem to have only - * a single PCI bus unit attached to it. It would seem they are seperate + * a single PCI bus unit attached to it. It would seem they are separate * devices because their PortID (ie. JBUS ID) values are all different * and thus the registers are mapped to totally different locations. * diff --git a/arch/sparc64/kernel/sun4v_tlb_miss.S b/arch/sparc64/kernel/sun4v_tlb_miss.S index 9871dbb1ab42..fd9430562e0b 100644 --- a/arch/sparc64/kernel/sun4v_tlb_miss.S +++ b/arch/sparc64/kernel/sun4v_tlb_miss.S @@ -215,6 +215,7 @@ sun4v_itlb_error: 1: ba,pt %xcc, etrap 2: or %g7, %lo(2b), %g7 + mov %l4, %o1 call sun4v_itlb_error_report add %sp, PTREGS_OFF, %o0 @@ -241,6 +242,7 @@ sun4v_dtlb_error: 1: ba,pt %xcc, etrap 2: or %g7, %lo(2b), %g7 + mov %l4, %o1 call sun4v_dtlb_error_report add %sp, PTREGS_OFF, %o0 diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 04998388259f..2b6abf633343 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -1950,6 +1950,8 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl) printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", regs->tpc, tl); print_symbol(KERN_EMERG "SUN4V-ITLB: TPC<%s>\n", regs->tpc); + printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); + print_symbol(KERN_EMERG "SUN4V-ITLB: O7<%s>\n", regs->u_regs[UREG_I7]); printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " "pte[%lx] error[%lx]\n", sun4v_err_itlb_vaddr, sun4v_err_itlb_ctx, @@ -1971,6 +1973,8 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl) printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", regs->tpc, tl); print_symbol(KERN_EMERG "SUN4V-DTLB: TPC<%s>\n", regs->tpc); + printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); + print_symbol(KERN_EMERG "SUN4V-DTLB: O7<%s>\n", regs->u_regs[UREG_I7]); printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " "pte[%lx] error[%lx]\n", sun4v_err_dtlb_vaddr, sun4v_err_dtlb_ctx, diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c index b56f8e0196a9..448ba59207a1 100644 --- a/arch/um/drivers/harddog_user.c +++ b/arch/um/drivers/harddog_user.c @@ -79,14 +79,14 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) n = read(in_fds[0], &c, sizeof(c)); if (n == 0) { printk("harddog_open - EOF on watchdog pipe\n"); - helper_wait(pid); + helper_wait(pid, 1, NULL); err = -EIO; goto out_close_out; } else if (n < 0) { printk("harddog_open - read of watchdog pipe failed, " "err = %d\n", errno); - helper_wait(pid); + helper_wait(pid, 1, NULL); err = n; goto out_close_out; } diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index 17089a041028..af045ca0f653 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -2256,14 +2256,12 @@ static int __init apm_init(void) apm_info.disabled = 1; return -ENODEV; } - if (PM_IS_ACTIVE()) { + if (pm_flags & PM_ACPI) { printk(KERN_NOTICE "apm: overridden by ACPI.\n"); apm_info.disabled = 1; return -ENODEV; } -#ifdef CONFIG_PM_LEGACY - pm_active = 1; -#endif + pm_flags |= PM_APM; /* * Set up a segment that references the real mode segment 0x40 @@ -2366,9 +2364,7 @@ static void __exit apm_exit(void) kthread_stop(kapmd_task); kapmd_task = NULL; } -#ifdef CONFIG_PM_LEGACY - pm_active = 0; -#endif + pm_flags &= ~PM_APM; } module_init(apm_init); diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index ac0637a6d71c..fbad51fce672 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -196,7 +196,7 @@ default_entry: /* Do an early initialization of the fixmap area */ movl $(swapper_pg_dir - __PAGE_OFFSET), %edx movl $(swapper_pg_pmd - __PAGE_OFFSET), %eax - addl $0x007, %eax /* 0x007 = PRESENT+RW+USER */ + addl $0x67, %eax /* 0x67 == _PAGE_TABLE */ movl %eax, 4092(%edx) xorl %ebx,%ebx /* This is the boot CPU (BSP) */ diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 4a86ffd67ec5..2f99ee206b95 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -657,7 +657,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) hpet_pie_count = 0; } - if (hpet_rtc_flags & RTC_PIE && + if (hpet_rtc_flags & RTC_AIE && (curr_time.tm_sec == hpet_alarm_time.tm_sec) && (curr_time.tm_min == hpet_alarm_time.tm_min) && (curr_time.tm_hour == hpet_alarm_time.tm_hour)) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index c3a565bba106..a6b1490e00c4 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -2169,14 +2169,10 @@ static inline void __init check_timer(void) { int apic1, pin1, apic2, pin2; int vector; - unsigned int ver; unsigned long flags; local_irq_save(flags); - ver = apic_read(APIC_LVR); - ver = GET_APIC_VERSION(ver); - /* * get/set the timer IRQ vector: */ @@ -2189,15 +2185,11 @@ static inline void __init check_timer(void) * mode for the 8259A whenever interrupts are routed * through I/O APICs. Also IRQ0 has to be enabled in * the 8259A which implies the virtual wire has to be - * disabled in the local APIC. Finally timer interrupts - * need to be acknowledged manually in the 8259A for - * timer_interrupt() and for the i82489DX when using - * the NMI watchdog. + * disabled in the local APIC. */ apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); - timer_ack = !cpu_has_tsc; - timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); + timer_ack = 1; if (timer_over_8254 > 0) enable_8259A_irq(0); diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c index 0ab680f2d9db..3960ab7e1497 100644 --- a/arch/x86/kernel/mfgpt_32.c +++ b/arch/x86/kernel/mfgpt_32.c @@ -278,12 +278,12 @@ static int mfgpt_next_event(unsigned long delta, struct clock_event_device *evt) static irqreturn_t mfgpt_tick(int irq, void *dev_id) { + /* Turn off the clock (and clear the event) */ + mfgpt_disable_timer(mfgpt_event_clock); + if (mfgpt_tick_mode == CLOCK_EVT_MODE_SHUTDOWN) return IRQ_HANDLED; - /* Turn off the clock */ - mfgpt_disable_timer(mfgpt_event_clock); - /* Clear the counter */ geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_COUNTER, 0); @@ -319,10 +319,6 @@ static int __init mfgpt_timer_setup(void) } mfgpt_event_clock = timer; - /* Set the clock scale and enable the event mode for CMP2 */ - val = MFGPT_SCALE | (3 << 8); - - geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val); /* Set up the IRQ on the MFGPT side */ if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) { @@ -339,6 +335,11 @@ static int __init mfgpt_timer_setup(void) goto err; } + /* Set the clock scale and enable the event mode for CMP2 */ + val = MFGPT_SCALE | (3 << 8); + + geode_mfgpt_write(mfgpt_event_clock, MFGPT_REG_SETUP, val); + /* Set up the clock event */ mfgpt_clockevent.mult = div_sc(MFGPT_HZ, NSEC_PER_SEC, 32); mfgpt_clockevent.min_delta_ns = clockevent_delta2ns(0xF, diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index 80ca72e5ac29..852db2906921 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -25,7 +25,6 @@ #include <asm/smp.h> #include <asm/nmi.h> -#include <asm/timer.h> #include "mach_traps.h" @@ -84,7 +83,7 @@ static int __init check_nmi_watchdog(void) prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL); if (!prev_nmi_count) - goto error; + return -1; printk(KERN_INFO "Testing NMI watchdog ... "); @@ -119,7 +118,7 @@ static int __init check_nmi_watchdog(void) if (!atomic_read(&nmi_active)) { kfree(prev_nmi_count); atomic_set(&nmi_active, -1); - goto error; + return -1; } printk("OK.\n"); @@ -130,10 +129,6 @@ static int __init check_nmi_watchdog(void) kfree(prev_nmi_count); return 0; -error: - timer_ack = !cpu_has_tsc; - - return -1; } /* This needs to happen later in boot so counters are working */ late_initcall(check_nmi_watchdog); diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 9663c2a74830..46d391d49de8 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -204,6 +204,10 @@ void cpu_idle(void) } } +static void do_nothing(void *unused) +{ +} + void cpu_idle_wait(void) { unsigned int cpu, this_cpu = get_cpu(); @@ -228,6 +232,13 @@ void cpu_idle_wait(void) cpu_clear(cpu, map); } cpus_and(map, map, cpu_online_map); + /* + * We waited 1 sec, if a CPU still did not call idle + * it may be because it is in idle and not waking up + * because it has nothing to do. + * Give all the remaining CPUS a kick. + */ + smp_call_function_mask(map, do_nothing, 0, 0); } while (!cpus_empty(map)); set_cpus_allowed(current, tmp); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 6309b275cb9c..ab79e1dfa023 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -135,6 +135,10 @@ static void poll_idle (void) cpu_relax(); } +static void do_nothing(void *unused) +{ +} + void cpu_idle_wait(void) { unsigned int cpu, this_cpu = get_cpu(); @@ -160,6 +164,13 @@ void cpu_idle_wait(void) cpu_clear(cpu, map); } cpus_and(map, map, cpu_online_map); + /* + * We waited 1 sec, if a CPU still did not call idle + * it may be because it is in idle and not waking up + * because it has nothing to do. + * Give all the remaining CPUS a kick. + */ + smp_call_function_mask(map, do_nothing, 0, 0); } while (!cpus_empty(map)); set_cpus_allowed(current, tmp); diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c index 594889521da1..aaf4e1291217 100644 --- a/arch/x86/kernel/smpboot_64.c +++ b/arch/x86/kernel/smpboot_64.c @@ -141,8 +141,8 @@ static void __cpuinit smp_store_cpu_info(int id) struct cpuinfo_x86 *c = &cpu_data(id); *c = boot_cpu_data; - identify_cpu(c); c->cpu_index = id; + identify_cpu(c); print_cpu_info(c); } @@ -526,7 +526,7 @@ struct create_idle { int cpu; }; -void do_fork_idle(struct work_struct *work) +static void __cpuinit do_fork_idle(struct work_struct *work) { struct create_idle *c_idle = container_of(work, struct create_idle, work); diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index c88bbffcaa03..02d1e1e58e81 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -541,6 +541,7 @@ fastcall void do_##name(struct pt_regs * regs, long error_code) \ info.si_errno = 0; \ info.si_code = sicode; \ info.si_addr = (void __user *)siaddr; \ + trace_hardirqs_fixup(); \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index d11525ad81b4..cc68b92316cd 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -635,6 +635,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ info.si_errno = 0; \ info.si_code = sicode; \ info.si_addr = (void __user *)siaddr; \ + trace_hardirqs_fixup(); \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index c7d19471261d..3c76d194fd2c 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -321,8 +321,13 @@ extern void set_highmem_pages_init(int); static void __init set_highmem_pages_init(int bad_ppro) { int pfn; - for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) - add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro); + for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) { + /* + * Holes under sparsemem might not have no mem_map[]: + */ + if (pfn_valid(pfn)) + add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro); + } totalram_pages += totalhigh_pages; } #endif /* CONFIG_FLATMEM */ diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 2d0eeac7251f..944bbcdd2b8d 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -380,7 +380,7 @@ static int __init ppro_init(char ** cpu_type) if (cpu_model == 14) *cpu_type = "i386/core"; - else if (cpu_model == 15) + else if (cpu_model == 15 || cpu_model == 23) *cpu_type = "i386/core_2"; else if (cpu_model > 0xd) return 0; |
