Re: [PATCH x86 for review II] [34/39] i386: Use stack arguments for calling into EFI

Le lundi 12 février 2007 à 08:38 +0100, Andi Kleen a écrit :
> When calling into the EFI firmware, the parameters need to be passed on
> the stack. The recent change to use -mregparm=3 breaks x86 EFI support.
> This patch is needed to allow the new Intel-based Macs to suspend to ram
> (efi.get_time is called during the suspend phase).
> 
> Signed-off-by: Frederic Riss <[email protected]>
> Signed-off-by: Andi Kleen <[email protected]>

For 2.6.20, Linus merged a different version touching only
arch/kernel/efi.c. If you really prefer this version, I guess it should
be discussed more thoroughly with him and the EFI guys. 

Fred.

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• References:
  • [PATCH x86 for review II] [1/39] i386: move startup_32() in text.head section
    • From: Andi Kleen <[email protected]>
  • [PATCH x86 for review II] [34/39] i386: Use stack arguments for calling into EFI
    • From: Andi Kleen <[email protected]>

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