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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2008-07-05 00:05:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-05 08:42:28 +0200 |
| commit | 64e83b5a919a65eb35b63dd7e07c188379ff8ce6 (patch) | |
| tree | bb1885f86fe6964e8f660527d0f15d2d4e7b002a /arch/x86/kernel/head_64.S | |
| parent | b8a0b6ccf2ba2519ace65d782b41ee91bf3c3778 (diff) | |
| download | linux-64e83b5a919a65eb35b63dd7e07c188379ff8ce6.tar.gz linux-64e83b5a919a65eb35b63dd7e07c188379ff8ce6.tar.bz2 linux-64e83b5a919a65eb35b63dd7e07c188379ff8ce6.zip | |
x86 ACPI: fix resume from suspend to RAM on uniprocessor x86-64
Since the trampoline code is now used for ACPI resume from suspend to RAM,
the trampoline page tables have to be fixed up during boot not only on SMP
systems, but also on UP systems that use the trampoline.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=10923
Reported-by: Dionisus Torimens <djtm@gmx.net>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: pm list <linux-pm@lists.linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 10a1955bb1d1..b817974ef942 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -128,7 +128,7 @@ ident_complete: /* Fixup phys_base */ addq %rbp, phys_base(%rip) -#ifdef CONFIG_SMP +#ifdef CONFIG_X86_TRAMPOLINE addq %rbp, trampoline_level4_pgt + 0(%rip) addq %rbp, trampoline_level4_pgt + (511*8)(%rip) #endif |