Messages in this thread | | | Date | Sat, 14 Mar 2015 17:00:42 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 2/2 v2] x86: make 32-bit "emergency stack" better documented |
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Hi!
> arch/x86/kernel/asm-offsets_32.c | 2 +- > arch/x86/kernel/cpu/common.c | 3 ++- > 3 files changed, 5 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h > index 48a61c1..9e65cf8 100644 > --- a/arch/x86/include/asm/processor.h > +++ b/arch/x86/include/asm/processor.h > @@ -276,9 +276,9 @@ struct tss_struct { > unsigned long io_bitmap[IO_BITMAP_LONGS + 1]; > > /* > - * .. and then another 0x100 bytes for the emergency kernel stack: > + * and then space for temporary SYSENTER stack: > */ > - unsigned long stack[64]; > + unsigned long SYSENTER_stack[64];
Would it make sense to make it unsigned char ...stack[256], like the comment said?
Or is it supposed to be different size on 64bit, and comment was wrong?
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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