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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:57 +1100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:57 +1100 |
| commit | 687fcdf741e4a268c2c7bac8b3734de761bb9719 (patch) | |
| tree | 82603cd0f892b13d4252cc525ecaec99bb86c0cd /arch/x86 | |
| parent | 215e871aaa3d94540121a3809d80d0c5e5686e4f (diff) | |
| parent | a6eb84bc1e069e1d285167e09035ed6c27978feb (diff) | |
Merge branch 'suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (38 commits)
suspend: cleanup reference to swsusp_pg_dir[]
PM: Remove obsolete /sys/devices/.../power/state docs
Hibernation: Invoke suspend notifications after console switch
Suspend: Invoke suspend notifications after console switch
Suspend: Clean up suspend_64.c
Suspend: Add config option to disable the freezer if architecture wants that
ACPI: Print message before calling _PTS
ACPI hibernation: Call _PTS before suspending devices
Hibernation: Introduce begin() and end() callbacks
ACPI suspend: Call _PTS before suspending devices
ACPI: Separate disabling of GPEs from _PTS
ACPI: Separate invocations of _GTS and _BFS from _PTS and _WAK
Suspend: Introduce begin() and end() callbacks
suspend: fix ia64 allmodconfig build
ACPI: clear GPE earily in resume to avoid warning
Suspend: Clean up Kconfig (V2)
Hibernation: Clean up Kconfig (V2)
Hibernation: Update messages
Suspend: Use common prefix in messages
Hibernation: Remove unnecessary variable declaration
...
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/suspend_64.c | 8 | ||||
| -rw-r--r-- | arch/x86/mm/init_32.c | 10 |
3 files changed, 19 insertions, 7 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index bb07f87d862..7109037bdf7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -112,6 +112,14 @@ config ARCH_SUPPORTS_OPROFILE select HAVE_KVM +config ARCH_HIBERNATION_POSSIBLE + def_bool y + depends on !SMP || !X86_VOYAGER + +config ARCH_SUSPEND_POSSIBLE + def_bool y + depends on !X86_VOYAGER + config ZONE_DMA32 bool default X86_64 diff --git a/arch/x86/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c index 09199511c25..7ac7130022f 100644 --- a/arch/x86/kernel/suspend_64.c +++ b/arch/x86/kernel/suspend_64.c @@ -140,7 +140,12 @@ static void fix_processor_context(void) int cpu = smp_processor_id(); struct tss_struct *t = &per_cpu(init_tss, cpu); - set_tss_desc(cpu,t); /* This just modifies memory; should not be necessary. But... This is necessary, because 386 hardware has concept of busy TSS or some similar stupidity. */ + /* + * This just modifies memory; should not be necessary. But... This + * is necessary, because 386 hardware has concept of busy TSS or some + * similar stupidity. + */ + set_tss_desc(cpu, t); get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9; @@ -160,7 +165,6 @@ static void fix_processor_context(void) loaddebug(¤t->thread, 6); loaddebug(¤t->thread, 7); } - } #ifdef CONFIG_HIBERNATION diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index da524fb2242..f2f36f8dae5 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -423,23 +423,23 @@ static void __init pagetable_init(void) paravirt_pagetable_setup_done(pgd_base); } -#if defined(CONFIG_HIBERNATION) || defined(CONFIG_ACPI) +#ifdef CONFIG_ACPI_SLEEP /* - * Swap suspend & friends need this for resume because things like the intel-agp + * ACPI suspend needs this for resume, because things like the intel-agp * driver might have split up a kernel 4MB mapping. */ -char __nosavedata swsusp_pg_dir[PAGE_SIZE] +char swsusp_pg_dir[PAGE_SIZE] __attribute__ ((aligned(PAGE_SIZE))); static inline void save_pg_dir(void) { memcpy(swsusp_pg_dir, swapper_pg_dir, PAGE_SIZE); } -#else +#else /* !CONFIG_ACPI_SLEEP */ static inline void save_pg_dir(void) { } -#endif +#endif /* !CONFIG_ACPI_SLEEP */ void zap_low_mappings(void) { |