Attachment 21181 Details for Bug 56951

[patch] Fix for 2.4 based kernels

clear-fpu (text/plain), 995 bytes, created by Hubert Mantel on 2004-06-15 15:41:53 UTC

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Creator: Hubert Mantel

Created: 2004-06-15 15:41:53 UTC

Size: 995 bytes

patch

obsolete

>diff -urNp linux-2.4.20/include/asm-i386/i387.h linux-2.4.20.SUSE/include/asm-i386/i387.h
>--- linux-2.4.20/include/asm-i386/i387.h	2002-08-03 02:39:45.000000000 +0200
>+++ linux-2.4.20.SUSE/include/asm-i386/i387.h	2004-06-15 09:38:14.715131119 +0200
>@@ -34,7 +34,7 @@ extern void kernel_fpu_begin(void);
> 
> #define clear_fpu( tsk ) do { \
> 	if ( tsk->flags & PF_USEDFPU ) { \
>-		asm volatile("fwait"); \
>+		asm volatile("fnclex ; fwait"); \
> 		tsk->flags &= ~PF_USEDFPU; \
> 		stts(); \
> 	} \
>diff -urNp linux-2.4.20/include/asm-x86_64/i387.h linux-2.4.20.SUSE/include/asm-x86_64/i387.h
>--- linux-2.4.20/include/asm-x86_64/i387.h	2004-06-15 09:36:39.948011696 +0200
>+++ linux-2.4.20.SUSE/include/asm-x86_64/i387.h	2004-06-15 09:37:51.037851293 +0200
>@@ -33,7 +33,7 @@ extern int save_i387(struct _fpstate *bu
> 
> #define clear_fpu( tsk ) do { \
> 	if ( tsk->flags & PF_USEDFPU ) { \
>-		asm volatile("fwait"); \
>+		asm volatile("fnclex ; fwait"); \
> 		tsk->flags &= ~PF_USEDFPU; \
> 		stts(); \
> 	} \

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