Messages in this thread Patch in this message | | | Date | Wed, 27 Sep 2006 12:46:52 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.18-git7 freezes solid on boot |
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On Wed, 27 Sep 2006 12:31:52 +0000 "Alessandro Suardi" <alessandro.suardi@gmail.com> wrote:
> Dell D610 running FC5, works fine with -git5, locks up > in less than a second after selecting the GRUB entry > for -git7, with NumLock on and nothing else working, > SysRq included, except for the power switch (no need > to keep it down for 10 secs though - it powers off > right away). > > Since bzdiffing patch-2.6.18-git5 and -git7 shows there > are framebuffer changes, I'm wondering whether anyone > had already stumbled into similar issues. > > Video card is an Intel i915GM. >
You probably want this..
From: Andi Kleen <ak@suse.de>
i386: Use early clobbers for semaphores now
The new code does clobber the result early, so make sure to tell gcc to not put it into the same register as a input argument
Signed-off-by: Andi Kleen <ak@suse.de>
Index: linux/include/asm-i386/semaphore.h =================================================================== --- linux.orig/include/asm-i386/semaphore.h +++ linux/include/asm-i386/semaphore.h @@ -126,7 +126,7 @@ static inline int down_interruptible(str "lea %1,%%eax\n\t" "call __down_failed_interruptible\n" "2:" - :"=a" (result), "+m" (sem->count) + :"=&a" (result), "+m" (sem->count) : :"memory"); return result; @@ -148,7 +148,7 @@ static inline int down_trylock(struct se "lea %1,%%eax\n\t" "call __down_failed_trylock\n\t" "2:\n" - :"=a" (result), "+m" (sem->count) + :"=&a" (result), "+m" (sem->count) : :"memory"); return result; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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