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SubjectRe: [PATCH] x86: trim ACPI sleep stack buffer
On Thu 2008-10-09 12:41:50, Matt Mackall wrote:
> On Thu, 2008-10-09 at 10:23 -0700, Moore, Robert wrote:
> > Sounds like you need a
> >
> > #define DEFAULT_STACK_SIZE 4096
> >
> > Somewhere.
>
> Or maybe something like this:
>
>
> x86: remove magic number from ACPI sleep stack buffer
>
> Signed-off-by: Matt Mackall <mpm@selenic.com>

Acked-by: Pavel Machek <pavel@suse.cz>

> diff -r 375a00b8bf10 arch/x86/kernel/acpi/sleep.c
> --- a/arch/x86/kernel/acpi/sleep.c Thu Oct 09 12:38:55 2008 -0500
> +++ b/arch/x86/kernel/acpi/sleep.c Thu Oct 09 12:40:10 2008 -0500
> @@ -97,7 +97,7 @@
> #else /* CONFIG_64BIT */
> header->trampoline_segment = setup_trampoline() >> 4;
> #ifdef CONFIG_SMP
> - stack_start.sp = temp_stack + 4096;
> + stack_start.sp = temp_stack + sizeof(temp_stack);
> #endif
> initial_code = (unsigned long)wakeup_long64;
> saved_magic = 0x123456789abcdef0;
>
>

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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