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-rw-r--r--arch/powerpc/kernel/asm-offsets.c4
-rw-r--r--arch/powerpc/kernel/btext.c3
-rw-r--r--arch/powerpc/kernel/crash.c3
-rw-r--r--arch/powerpc/kernel/crash_dump.c3
-rw-r--r--arch/powerpc/kernel/head_32.S17
-rw-r--r--arch/powerpc/kernel/machine_kexec.c3
-rw-r--r--arch/powerpc/kernel/ppc_ksyms.c2
-rw-r--r--arch/powerpc/kernel/process.c5
-rw-r--r--arch/powerpc/kernel/prom.c59
-rw-r--r--arch/powerpc/kernel/rtas.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c11
-rw-r--r--arch/powerpc/kernel/setup_64.c2
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c5
-rw-r--r--arch/powerpc/kernel/vdso.c3
14 files changed, 81 insertions, 41 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 4b749c416464..e932b43bd82f 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -26,8 +26,6 @@
#ifdef CONFIG_PPC64
#include <linux/time.h>
#include <linux/hardirq.h>
-#else
-#include <linux/ptrace.h>
#endif
#include <asm/io.h>
@@ -60,7 +58,6 @@ int main(void)
DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
#else
DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
- DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
#endif /* CONFIG_PPC64 */
DEFINE(KSP, offsetof(struct thread_struct, ksp));
@@ -80,7 +77,6 @@ int main(void)
DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
- DEFINE(PT_PTRACED, PT_PTRACED);
#endif
#ifdef CONFIG_SPE
DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 80e2eef05b2e..9f9377745490 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -7,6 +7,7 @@
#include <linux/string.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/lmb.h>
#include <asm/sections.h>
#include <asm/prom.h>
@@ -15,7 +16,7 @@
#include <asm/mmu.h>
#include <asm/pgtable.h>
#include <asm/io.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/processor.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 571132ed12c1..eae401de3f76 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -24,12 +24,13 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/types.h>
+#include <linux/lmb.h>
#include <asm/processor.h>
#include <asm/machdep.h>
#include <asm/kexec.h>
#include <asm/kdump.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/smp.h>
#include <asm/system.h>
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 29ff77c468ac..9ee3c5278db0 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -13,8 +13,9 @@
#include <linux/crash_dump.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <asm/kdump.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/uaccess.h>
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 0f4fac512020..c16d1354b19d 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -763,23 +763,6 @@ load_up_altivec:
b fast_exception_return
/*
- * AltiVec unavailable trap from kernel - print a message, but let
- * the task use AltiVec in the kernel until it returns to user mode.
- */
-KernelAltiVec:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_VEC@h
- stw r3,_MSR(r1) /* enable use of AltiVec after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "AltiVec used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-/*
* giveup_altivec(tsk)
* Disable AltiVec for the task given as the argument,
* and save the AltiVec registers in its thread_struct.
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index c0c8e8c3ced9..2d202f274e73 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -12,8 +12,9 @@
#include <linux/kexec.h>
#include <linux/reboot.h>
#include <linux/threads.h>
+#include <linux/lmb.h>
#include <asm/machdep.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
void machine_crash_shutdown(struct pt_regs *regs)
{
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 9c98424277a8..a722ede726db 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -58,7 +58,6 @@ extern void program_check_exception(struct pt_regs *regs);
extern void single_step_exception(struct pt_regs *regs);
extern int sys_sigreturn(struct pt_regs *regs);
-EXPORT_SYMBOL(empty_zero_page);
EXPORT_SYMBOL(clear_pages);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
@@ -192,3 +191,4 @@ EXPORT_SYMBOL(intercept_table);
EXPORT_SYMBOL(__mtdcr);
EXPORT_SYMBOL(__mfdcr);
#endif
+EXPORT_SYMBOL(empty_zero_page);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 59311ec0d422..8d506d86e2df 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -868,11 +868,6 @@ int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
flush_spe_to_thread(current);
error = do_execve(filename, (char __user * __user *) a1,
(char __user * __user *) a2, regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
return error;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index eac97f48b9b8..9330920265f3 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -31,10 +31,10 @@
#include <linux/kexec.h>
#include <linux/debugfs.h>
#include <linux/irq.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/rtas.h>
-#include <asm/lmb.h>
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/irq.h>
@@ -51,6 +51,7 @@
#include <asm/machdep.h>
#include <asm/pSeries_reconfig.h>
#include <asm/pci-bridge.h>
+#include <asm/phyp_dump.h>
#include <asm/kexec.h>
#ifdef DEBUG
@@ -1040,6 +1041,56 @@ static void __init early_reserve_mem(void)
#endif
}
+#ifdef CONFIG_PHYP_DUMP
+/**
+ * phyp_dump_reserve_mem() - reserve all not-yet-dumped mmemory
+ *
+ * This routine may reserve memory regions in the kernel only
+ * if the system is supported and a dump was taken in last
+ * boot instance or if the hardware is supported and the
+ * scratch area needs to be setup. In other instances it returns
+ * without reserving anything. The memory in case of dump being
+ * active is freed when the dump is collected (by userland tools).
+ */
+static void __init phyp_dump_reserve_mem(void)
+{
+ unsigned long base, size;
+ if (!phyp_dump_info->phyp_dump_configured) {
+ printk(KERN_ERR "Phyp-dump not supported on this hardware\n");
+ return;
+ }
+
+ if (!phyp_dump_info->phyp_dump_at_boot) {
+ printk(KERN_INFO "Phyp-dump disabled at boot time\n");
+ return;
+ }
+
+ if (phyp_dump_info->phyp_dump_is_active) {
+ /* Reserve *everything* above RMR.Area freed by userland tools*/
+ base = PHYP_DUMP_RMR_END;
+ size = lmb_end_of_DRAM() - base;
+
+ /* XXX crashed_ram_end is wrong, since it may be beyond
+ * the memory_limit, it will need to be adjusted. */
+ lmb_reserve(base, size);
+
+ phyp_dump_info->init_reserve_start = base;
+ phyp_dump_info->init_reserve_size = size;
+ } else {
+ size = phyp_dump_info->cpu_state_size +
+ phyp_dump_info->hpte_region_size +
+ PHYP_DUMP_RMR_END;
+ base = lmb_end_of_DRAM() - size;
+ lmb_reserve(base, size);
+ phyp_dump_info->init_reserve_start = base;
+ phyp_dump_info->init_reserve_size = size;
+ }
+}
+#else
+static inline void __init phyp_dump_reserve_mem(void) {}
+#endif /* CONFIG_PHYP_DUMP && CONFIG_PPC_RTAS */
+
+
void __init early_init_devtree(void *params)
{
DBG(" -> early_init_devtree(%p)\n", params);
@@ -1052,6 +1103,11 @@ void __init early_init_devtree(void *params)
of_scan_flat_dt(early_init_dt_scan_rtas, NULL);
#endif
+#ifdef CONFIG_PHYP_DUMP
+ /* scan tree to see if dump occured during last boot */
+ of_scan_flat_dt(early_init_dt_scan_phyp_dump, NULL);
+#endif
+
/* Retrieve various informations from the /chosen node of the
* device-tree, including the platform type, initrd location and
* size, TCE reserve, and more ...
@@ -1072,6 +1128,7 @@ void __init early_init_devtree(void *params)
reserve_kdump_trampoline();
reserve_crashkernel();
early_reserve_mem();
+ phyp_dump_reserve_mem();
lmb_enforce_memory_limit(memory_limit);
lmb_analyze();
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 52e95c2158c0..e2e78d967f31 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -22,6 +22,7 @@
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
+#include <linux/lmb.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@@ -34,7 +35,6 @@
#include <asm/system.h>
#include <asm/delay.h>
#include <asm/uaccess.h>
-#include <asm/lmb.h>
#include <asm/udbg.h>
#include <asm/syscalls.h>
#include <asm/smp.h>
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6adb5a1e98bb..db540eab09f4 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -34,6 +34,7 @@
#include <linux/serial_8250.h>
#include <linux/debugfs.h>
#include <linux/percpu.h>
+#include <linux/lmb.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/processor.h>
@@ -56,7 +57,6 @@
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
-#include <asm/lmb.h>
#include <asm/xmon.h>
#include <asm/cputhreads.h>
@@ -167,6 +167,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
unsigned short min;
if (cpu_id == NR_CPUS) {
+ struct device_node *root;
+ const char *model = NULL;
#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
unsigned long bogosum = 0;
int i;
@@ -178,6 +180,13 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
if (ppc_md.name)
seq_printf(m, "platform\t: %s\n", ppc_md.name);
+ root = of_find_node_by_path("/");
+ if (root)
+ model = of_get_property(root, "model", NULL);
+ if (model)
+ seq_printf(m, "model\t\t: %s\n", model);
+ of_node_put(root);
+
if (ppc_md.show_cpuinfo != NULL)
ppc_md.show_cpuinfo(m);
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 3b1529c103ef..2c2d8315193c 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -33,6 +33,7 @@
#include <linux/serial_8250.h>
#include <linux/bootmem.h>
#include <linux/pci.h>
+#include <linux/lmb.h>
#include <asm/io.h>
#include <asm/kdump.h>
#include <asm/prom.h>
@@ -55,7 +56,6 @@
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
-#include <asm/lmb.h>
#include <asm/firmware.h>
#include <asm/xmon.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 4a4f5c6b560b..9c3371e6958e 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -368,11 +368,6 @@ long compat_sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
error = compat_do_execve(filename, compat_ptr(a1), compat_ptr(a2), regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index d3437c4c4a6f..c21a626af676 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -21,13 +21,14 @@
#include <linux/elf.h>
#include <linux/security.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/mmu_context.h>
-#include <asm/lmb.h>
+#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/cputable.h>
#include <asm/sections.h>
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