summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/kernel/time.c15
-rw-r--r--arch/blackfin/kernel/time.c8
-rw-r--r--arch/frv/kernel/time.c6
-rw-r--r--arch/frv/kernel/vmlinux.lds.S4
-rw-r--r--arch/ia64/Kconfig7
-rw-r--r--arch/m68knommu/kernel/time.c12
-rw-r--r--arch/powerpc/platforms/cell/spufs/sputrace.c31
-rw-r--r--arch/sh/kernel/timers/timer-cmt.c9
-rw-r--r--arch/sh/kernel/timers/timer-mtu2.c2
-rw-r--r--arch/sparc/kernel/pcic.c2
-rw-r--r--arch/sparc/kernel/time.c7
-rw-r--r--arch/x86/kernel/efi.c12
-rw-r--r--arch/x86/kernel/efi_64.c32
-rw-r--r--arch/x86/kernel/i8253.c2
-rw-r--r--arch/x86/kernel/quirks.c9
-rw-r--r--arch/x86/kernel/reboot.c46
-rw-r--r--arch/x86/mm/ioremap.c4
-rw-r--r--arch/x86/mm/pageattr-test.c7
-rw-r--r--arch/x86/mm/pageattr.c4
-rw-r--r--arch/x86/vdso/Makefile22
-rw-r--r--arch/x86/xen/enlighten.c4
21 files changed, 129 insertions, 116 deletions
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 1dd50d07693c..75480cab0893 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -119,13 +119,8 @@ irqreturn_t timer_interrupt(int irq, void *dev)
state.partial_tick = delta & ((1UL << FIX_SHIFT) - 1);
nticks = delta >> FIX_SHIFT;
- while (nticks > 0) {
- do_timer(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
- nticks--;
- }
+ if (nticks)
+ do_timer(nticks);
/*
* If we have an externally synchronized Linux clock, then update
@@ -141,6 +136,12 @@ irqreturn_t timer_interrupt(int irq, void *dev)
}
write_sequnlock(&xtime_lock);
+
+#ifndef CONFIG_SMP
+ while (nticks--)
+ update_process_times(user_mode(get_irq_regs()));
+#endif
+
return IRQ_HANDLED;
}
diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c
index 5bd64e341df3..9bdc8f99183a 100644
--- a/arch/blackfin/kernel/time.c
+++ b/arch/blackfin/kernel/time.c
@@ -137,9 +137,6 @@ irqreturn_t timer_interrupt(int irq, void *dummy)
do_timer(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
profile_tick(CPU_PROFILING);
/*
@@ -161,6 +158,11 @@ irqreturn_t timer_interrupt(int irq, void *dummy)
last_rtc_update = xtime.tv_sec - 600;
}
write_sequnlock(&xtime_lock);
+
+#ifndef CONFIG_SMP
+ update_process_times(user_mode(get_irq_regs()));
+#endif
+
return IRQ_HANDLED;
}
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index 925fb0199a0f..69f6a4ef5d61 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -63,6 +63,7 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
/* last time the cmos clock got updated */
static long last_rtc_update = 0;
+ profile_tick(CPU_PROFILING);
/*
* Here we are in the timer irq handler. We just have irqs locally
* disabled but we don't know if the timer_bh is running on the other
@@ -73,8 +74,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
write_seqlock(&xtime_lock);
do_timer(1);
- update_process_times(user_mode(get_irq_regs()));
- profile_tick(CPU_PROFILING);
/*
* If we have an externally synchronized Linux clock, then update
@@ -99,6 +98,9 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
#endif /* CONFIG_HEARTBEAT */
write_sequnlock(&xtime_lock);
+
+ update_process_times(user_mode(get_irq_regs()));
+
return IRQ_HANDLED;
}
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index ef7527b8b0c7..17725a55aed8 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -105,11 +105,9 @@ SECTIONS
SCHED_TEXT
LOCK_TEXT
#ifdef CONFIG_DEBUG_INFO
- *(
INIT_TEXT
EXIT_TEXT
- .exitcall.exit
- )
+ *(.exitcall.exit)
#endif
*(.fixup)
*(.gnu.warning)
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2d4fcd01bc91..dff9edfc7465 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -232,7 +232,14 @@ config PGTABLE_4
endchoice
+if IA64_HP_SIM
+config HZ
+ default 32
+endif
+
+if !IA64_HP_SIM
source kernel/Kconfig.hz
+endif
config IA64_BRL_EMU
bool
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c
index 89cdbcaeb45f..0ccfb2ad6380 100644
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -42,14 +42,12 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
/* last time the cmos clock got updated */
static long last_rtc_update=0;
+ if (current->pid)
+ profile_tick(CPU_PROFILING);
+
write_seqlock(&xtime_lock);
do_timer(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
- if (current->pid)
- profile_tick(CPU_PROFILING);
/*
* If we have an externally synchronized Linux clock, then update
@@ -67,6 +65,10 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
}
write_sequnlock(&xtime_lock);
+
+#ifndef CONFIG_SMP
+ update_process_times(user_mode(get_irq_regs()));
+#endif
return(IRQ_HANDLED);
}
diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 2b1953f6f12e..01974f7776e1 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -146,34 +146,28 @@ static void sputrace_log_item(const char *name, struct spu_context *ctx,
wake_up(&sputrace_wait);
}
-static void spu_context_event(const struct marker *mdata,
- void *private, const char *format, ...)
+static void spu_context_event(void *probe_private, void *call_data,
+ const char *format, va_list *args)
{
- struct spu_probe *p = mdata->private;
- va_list ap;
+ struct spu_probe *p = probe_private;
struct spu_context *ctx;
struct spu *spu;
- va_start(ap, format);
- ctx = va_arg(ap, struct spu_context *);
- spu = va_arg(ap, struct spu *);
+ ctx = va_arg(*args, struct spu_context *);
+ spu = va_arg(*args, struct spu *);
sputrace_log_item(p->name, ctx, spu);
- va_end(ap);
}
-static void spu_context_nospu_event(const struct marker *mdata,
- void *private, const char *format, ...)
+static void spu_context_nospu_event(void *probe_private, void *call_data,
+ const char *format, va_list *args)
{
- struct spu_probe *p = mdata->private;
- va_list ap;
+ struct spu_probe *p = probe_private;
struct spu_context *ctx;
- va_start(ap, format);
- ctx = va_arg(ap, struct spu_context *);
+ ctx = va_arg(*args, struct spu_context *);
sputrace_log_item(p->name, ctx, NULL);
- va_end(ap);
}
struct spu_probe spu_probes[] = {
@@ -219,10 +213,6 @@ static int __init sputrace_init(void)
if (error)
printk(KERN_INFO "Unable to register probe %s\n",
p->name);
-
- error = marker_arm(p->name);
- if (error)
- printk(KERN_INFO "Unable to arm probe %s\n", p->name);
}
return 0;
@@ -238,7 +228,8 @@ static void __exit sputrace_exit(void)
int i;
for (i = 0; i < ARRAY_SIZE(spu_probes); i++)
- marker_probe_unregister(spu_probes[i].name);
+ marker_probe_unregister(spu_probes[i].name,
+ spu_probes[i].probe_func, &spu_probes[i]);
remove_proc_entry("sputrace", NULL);
kfree(sputrace_log);
diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c
index 499e07beebe2..71312324b5de 100644
--- a/arch/sh/kernel/timers/timer-cmt.c
+++ b/arch/sh/kernel/timers/timer-cmt.c
@@ -100,16 +100,7 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id)
timer_status &= ~0x80;
ctrl_outw(timer_status, CMT_CMCSR_0);
- /*
- * Here we are in the timer irq handler. We just have irqs locally
- * disabled but we don't know if the timer_bh is running on the other
- * CPU. We need to avoid to SMP race with it. NOTE: we don' t need
- * the irq version of write_lock because as just said we have irq
- * locally disabled. -arca
- */
- write_seqlock(&xtime_lock);
handle_timer_tick();
- write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
diff --git a/arch/sh/kernel/timers/timer-mtu2.c b/arch/sh/kernel/timers/timer-mtu2.c
index b7499a2a9188..463cd08f9517 100644
--- a/arch/sh/kernel/timers/timer-mtu2.c
+++ b/arch/sh/kernel/timers/timer-mtu2.c
@@ -100,9 +100,7 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id)
ctrl_outb(timer_status, MTU2_TSR_1);
/* Do timer tick */
- write_seqlock(&xtime_lock);
handle_timer_tick();
- write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 4cd5d7818dc6..a6a6f9823370 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -713,10 +713,10 @@ static irqreturn_t pcic_timer_handler (int irq, void *h)
write_seqlock(&xtime_lock); /* Dummy, to show that we remember */
pcic_clear_clock_irq();
do_timer(1);
+ write_sequnlock(&xtime_lock);
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
#endif
- write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 00b393c3a4a0..cfaf22c05bc4 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -128,10 +128,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
clear_clock_irq();
do_timer(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
-
/* Determine when to update the Mostek clock. */
if (ntp_synced() &&
@@ -145,6 +141,9 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
}
write_sequnlock(&xtime_lock);
+#ifndef CONFIG_SMP
+ update_process_times(user_mode(get_irq_regs()));
+#endif
return IRQ_HANDLED;
}
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 32dd62b36ff7..cbdf9bacc575 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -384,9 +384,6 @@ static void __init runtime_code_page_mkexec(void)
efi_memory_desc_t *md;
void *p;
- if (!(__supported_pte_mask & _PAGE_NX))
- return;
-
/* Make EFI runtime service code area executable */
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
@@ -428,9 +425,6 @@ void __init efi_enter_virtual_mode(void)
else
va = efi_ioremap(md->phys_addr, size);
- if (md->attribute & EFI_MEMORY_WB)
- set_memory_uc(md->virt_addr, size);
-
md->virt_addr = (u64) (unsigned long) va;
if (!va) {
@@ -439,6 +433,9 @@ void __init efi_enter_virtual_mode(void)
continue;
}
+ if (!(md->attribute & EFI_MEMORY_WB))
+ set_memory_uc(md->virt_addr, size);
+
systab = (u64) (unsigned long) efi_phys.systab;
if (md->phys_addr <= systab && systab < end) {
systab += md->virt_addr - md->phys_addr;
@@ -476,7 +473,8 @@ void __init efi_enter_virtual_mode(void)
efi.get_next_high_mono_count = virt_efi_get_next_high_mono_count;
efi.reset_system = virt_efi_reset_system;
efi.set_virtual_address_map = virt_efi_set_virtual_address_map;
- runtime_code_page_mkexec();
+ if (__supported_pte_mask & _PAGE_NX)
+ runtime_code_page_mkexec();
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
memmap.map = NULL;
}
diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
index 09d5c2330934..d143a1e76b30 100644
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -35,6 +35,7 @@
#include <asm/tlbflush.h>
#include <asm/proto.h>
#include <asm/efi.h>
+#include <asm/cacheflush.h>
static pgd_t save_pgd __initdata;
static unsigned long efi_flags __initdata;
@@ -43,22 +44,15 @@ static void __init early_mapping_set_exec(unsigned long start,
unsigned long end,
int executable)
{
- pte_t *kpte;
- unsigned int level;
-
- while (start < end) {
- kpte = lookup_address((unsigned long)__va(start), &level);
- BUG_ON(!kpte);
- if (executable)
- set_pte(kpte, pte_mkexec(*kpte));
- else
- set_pte(kpte, __pte((pte_val(*kpte) | _PAGE_NX) & \
- __supported_pte_mask));
- if (level == PG_LEVEL_4K)
- start = (start + PAGE_SIZE) & PAGE_MASK;
- else
- start = (start + PMD_SIZE) & PMD_MASK;
- }
+ unsigned long num_pages;
+
+ start &= PMD_MASK;
+ end = (end + PMD_SIZE - 1) & PMD_MASK;
+ num_pages = (end - start) >> PAGE_SHIFT;
+ if (executable)
+ set_memory_x((unsigned long)__va(start), num_pages);
+ else
+ set_memory_nx((unsigned long)__va(start), num_pages);
}
static void __init early_runtime_code_mapping_set_exec(int executable)
@@ -74,7 +68,7 @@ static void __init early_runtime_code_mapping_set_exec(int executable)
md = p;
if (md->type == EFI_RUNTIME_SERVICES_CODE) {
unsigned long end;
- end = md->phys_addr + (md->num_pages << PAGE_SHIFT);
+ end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT);
early_mapping_set_exec(md->phys_addr, end, executable);
}
}
@@ -84,8 +78,8 @@ void __init efi_call_phys_prelog(void)
{
unsigned long vaddress;
- local_irq_save(efi_flags);
early_runtime_code_mapping_set_exec(1);
+ local_irq_save(efi_flags);
vaddress = (unsigned long)__va(0x0UL);
save_pgd = *pgd_offset_k(0x0UL);
set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
@@ -98,9 +92,9 @@ void __init efi_call_phys_epilog(void)
* After the lock is released, the original page table is restored.
*/
set_pgd(pgd_offset_k(0x0UL), save_pgd);
- early_runtime_code_mapping_set_exec(0);
__flush_tlb_all();
local_irq_restore(efi_flags);
+ early_runtime_code_mapping_set_exec(0);
}
void __init efi_reserve_bootmem(void)
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index ef62b07b2b48..8540abe86ade 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -95,7 +95,7 @@ static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
* registered. This mechanism replaces the previous #ifdef LOCAL_APIC -
* !using_apic_timer decisions in do_timer_interrupt_hook()
*/
-struct clock_event_device pit_clockevent = {
+static struct clock_event_device pit_clockevent = {
.name = "pit",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = init_pit_timer,
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 1941482d4ca3..c47208fc5932 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -11,7 +11,7 @@
static void __devinit quirk_intel_irqbalance(struct pci_dev *dev)
{
u8 config, rev;
- u32 word;
+ u16 word;
/* BIOS may enable hardware IRQ balancing for
* E7520/E7320/E7525(revision ID 0x9 and below)
@@ -26,8 +26,11 @@ static void __devinit quirk_intel_irqbalance(struct pci_dev *dev)
pci_read_config_byte(dev, 0xf4, &config);
pci_write_config_byte(dev, 0xf4, config|0x2);
- /* read xTPR register */
- raw_pci_read(0, 0, 0x40, 0x4c, 2, &word);
+ /*
+ * read xTPR register. We may not have a pci_dev for device 8
+ * because it might be hidden until the above write.
+ */
+ pci_bus_read_config_word(dev->bus, PCI_DEVFN(8, 0), 0x4c, &word);
if (!(word & (1 << 13))) {
dev_info(&dev->dev, "Intel E7520/7320/7525 detected; "
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 5818dc28167d..7fd6ac43e4a1 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -326,7 +326,7 @@ static inline void kb_wait(void)
}
}
-void machine_emergency_restart(void)
+static void native_machine_emergency_restart(void)
{
int i;
@@ -376,7 +376,7 @@ void machine_emergency_restart(void)
}
}
-void machine_shutdown(void)
+static void native_machine_shutdown(void)
{
/* Stop the cpus and apics */
#ifdef CONFIG_SMP
@@ -420,7 +420,7 @@ void machine_shutdown(void)
#endif
}
-void machine_restart(char *__unused)
+static void native_machine_restart(char *__unused)
{
printk("machine restart\n");
@@ -429,11 +429,11 @@ void machine_restart(char *__unused)
machine_emergency_restart();
}
-void machine_halt(void)
+static void native_machine_halt(void)
{
}
-void machine_power_off(void)
+static void native_machine_power_off(void)
{
if (pm_power_off) {
if (!reboot_force)
@@ -443,9 +443,35 @@ void machine_power_off(void)
}
struct machine_ops machine_ops = {
- .power_off = machine_power_off,
- .shutdown = machine_shutdown,
- .emergency_restart = machine_emergency_restart,
- .restart = machine_restart,
- .halt = machine_halt
+ .power_off = native_machine_power_off,
+ .shutdown = native_machine_shutdown,
+ .emergency_restart = native_machine_emergency_restart,
+ .restart = native_machine_restart,
+ .halt = native_machine_halt
};
+
+void machine_power_off(void)
+{
+ machine_ops.power_off();
+}
+
+void machine_shutdown(void)
+{
+ machine_ops.shutdown();
+}
+
+void machine_emergency_restart(void)
+{
+ machine_ops.emergency_restart();
+}
+
+void machine_restart(char *cmd)
+{
+ machine_ops.restart(cmd);
+}
+
+void machine_halt(void)
+{
+ machine_ops.halt();
+}
+
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index a4897a85268a..9f42d7e9c158 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -265,7 +265,9 @@ static __initdata pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)]
static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
{
- pgd_t *pgd = &swapper_pg_dir[pgd_index(addr)];
+ /* Don't assume we're using swapper_pg_dir at this point */
+ pgd_t *base = __va(read_cr3());
+ pgd_t *pgd = &base[pgd_index(addr)];
pud_t *pud = pud_offset(pgd, addr);
pmd_t *pmd = pmd_offset(pud, addr);
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index ed8201600354..75f1b109aae8 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -40,7 +40,6 @@ struct split_state {
static int print_split(struct split_state *s)
{
long i, expected, missed = 0;
- int printed = 0;
int err = 0;
s->lpg = s->gpg = s->spg = s->exec = 0;
@@ -53,12 +52,6 @@ static int print_split(struct split_state *s)
pte = lookup_address(addr, &level);
if (!pte) {
- if (!printed) {
- dump_pagetable(addr);
- printk(KERN_INFO "CPA %lx no pte level %d\n",
- addr, level);
- printed = 1;
- }
missed++;
i++;
continue;
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 440210a2277d..bd61ed13f9cf 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -275,8 +275,8 @@ try_preserve_large_page(pte_t *kpte, unsigned long address,
break;
#ifdef CONFIG_X86_64
case PG_LEVEL_1G:
- psize = PMD_PAGE_SIZE;
- pmask = PMD_PAGE_MASK;
+ psize = PUD_PAGE_SIZE;
+ pmask = PUD_PAGE_MASK;
break;
#endif
default:
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index d28dda574700..f385a4b4a484 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -7,7 +7,7 @@ VDSO32-$(CONFIG_X86_32) := y
VDSO32-$(CONFIG_COMPAT) := y
vdso-install-$(VDSO64-y) += vdso.so
-vdso-install-$(VDSO32-y) += $(vdso32-y:=.so)
+vdso-install-$(VDSO32-y) += $(vdso32-images)
# files to link into the vdso
@@ -63,6 +63,8 @@ vdso32.so-$(CONFIG_X86_32) += int80
vdso32.so-$(CONFIG_COMPAT) += syscall
vdso32.so-$(VDSO32-y) += sysenter
+vdso32-images = $(vdso32.so-y:%=vdso32-%.so)
+
CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds)
VDSO_LDFLAGS_vdso32.lds = -m elf_i386 -Wl,-soname=linux-gate.so.1
@@ -71,21 +73,21 @@ VDSO_LDFLAGS_vdso32.lds = -m elf_i386 -Wl,-soname=linux-gate.so.1
override obj-dirs = $(dir $(obj)) $(obj)/vdso32/
targets += vdso32/vdso32.lds
-targets += $(vdso32.so-y:%=vdso32-%.so.dbg) $(vdso32.so-y:%=vdso32-%.so)
+targets += $(vdso32-images) $(vdso32-images:=.dbg)
targets += vdso32/note.o $(vdso32.so-y:%=vdso32/%.o)
-extra-y += $(vdso32.so-y:%=vdso32-%.so)
+extra-y += $(vdso32-images)
-$(obj)/vdso32.o: $(vdso32.so-y:%=$(obj)/vdso32-%.so)
+$(obj)/vdso32.o: $(vdso32-images:%=$(obj)/%)
KBUILD_AFLAGS_32 := $(filter-out -m64,$(KBUILD_AFLAGS))
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): asflags-$(CONFIG_X86_64) += -m32
+$(vdso32-images:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
+$(vdso32-images:%=$(obj)/%.dbg): asflags-$(CONFIG_X86_64) += -m32
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
- $(obj)/vdso32/vdso32.lds \
- $(obj)/vdso32/note.o \
- $(obj)/vdso32/%.o
+$(vdso32-images:%=$(obj)/%.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
+ $(obj)/vdso32/vdso32.lds \
+ $(obj)/vdso32/note.o \
+ $(obj)/vdso32/%.o
$(call if_changed,vdso)
# Make vdso32-*-syms.lds from each image, and then make sure they match.
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index de647bc6e74d..49e5358f481a 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -798,6 +798,10 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
* added to the table can be prepared properly for Xen.
*/
xen_write_cr3(__pa(base));
+
+ /* Unpin initial Xen pagetable */
+ pin_pagetable_pfn(MMUEXT_UNPIN_TABLE,
+ PFN_DOWN(__pa(xen_start_info->pt_base)));
}
static __init void xen_pagetable_setup_done(pgd_t *base)
OpenPOWER on IntegriCloud