Messages in this thread |  | | | Date | Wed, 05 Mar 2008 10:17:37 -0800 | | From | "H. Peter Anvin" <> | | Subject | Re: [PATCH] x86: Clear DF before calling signal handler |
Aurelien Jarno wrote:
> The Linux kernel currently does not clear the direction flag before
> calling a signal handler, whereas the x86/x86-64 ABI requires that.
> This become a real problem with gcc version 4.3, which assumes that
> the direction flag is correctly cleared at the entry of a function.
>
> This patches changes the setup_frame() functions to clear the
> direction before entering the signal handler.
>
> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: H. Peter Anvin <hpa@zytor.com>
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