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* [PATCH] powerpc: Fix another bug in move of altivec code to vector.S
@ 2009-07-10 21:17 Andreas Schwab
  2009-07-10 23:49 ` Benjamin Herrenschmidt
  0 siblings, 1 reply; 2+ messages in thread
From: Andreas Schwab @ 2009-07-10 21:17 UTC (permalink / raw)
  To: linuxppc-dev

When moving load_up_altivec to vector.S a typo in a comment caused a
thinko setting the wrong variable.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
---
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index ef36cbb..ea4d646 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -80,10 +80,10 @@ _GLOBAL(load_up_altivec)
 	mtvscr	vr0
 	REST_32VRS(0,r4,r5)
 #ifndef CONFIG_SMP
-	/* Update last_task_used_math to 'current' */
+	/* Update last_task_used_altivec to 'current' */
 	subi	r4,r5,THREAD		/* Back to 'current' */
 	fromreal(r4)
-	PPC_STL	r4,ADDROFF(last_task_used_math)(r3)
+	PPC_STL	r4,ADDROFF(last_task_used_altivec)(r3)
 #endif /* CONFIG_SMP */
 	/* restore registers and return */
 	blr
@@ -172,7 +172,7 @@ _GLOBAL(load_up_vsx)
 	oris	r12,r12,MSR_VSX@h
 	std	r12,_MSR(r1)
 #ifndef CONFIG_SMP
-	/* Update last_task_used_math to 'current' */
+	/* Update last_task_used_vsx to 'current' */
 	ld	r4,PACACURRENT(r13)
 	std	r4,0(r3)
 #endif /* CONFIG_SMP */

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] powerpc: Fix another bug in move of altivec code to vector.S
  2009-07-10 21:17 [PATCH] powerpc: Fix another bug in move of altivec code to vector.S Andreas Schwab
@ 2009-07-10 23:49 ` Benjamin Herrenschmidt
  0 siblings, 0 replies; 2+ messages in thread
From: Benjamin Herrenschmidt @ 2009-07-10 23:49 UTC (permalink / raw)
  To: Andreas Schwab; +Cc: linuxppc-dev

On Fri, 2009-07-10 at 23:17 +0200, Andreas Schwab wrote:
> When moving load_up_altivec to vector.S a typo in a comment caused a
> thinko setting the wrong variable.
> 
> Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>

Good catch, thanks.

Cheers,
Ben.

> ---
> diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
> index ef36cbb..ea4d646 100644
> --- a/arch/powerpc/kernel/vector.S
> +++ b/arch/powerpc/kernel/vector.S
> @@ -80,10 +80,10 @@ _GLOBAL(load_up_altivec)
>  	mtvscr	vr0
>  	REST_32VRS(0,r4,r5)
>  #ifndef CONFIG_SMP
> -	/* Update last_task_used_math to 'current' */
> +	/* Update last_task_used_altivec to 'current' */
>  	subi	r4,r5,THREAD		/* Back to 'current' */
>  	fromreal(r4)
> -	PPC_STL	r4,ADDROFF(last_task_used_math)(r3)
> +	PPC_STL	r4,ADDROFF(last_task_used_altivec)(r3)
>  #endif /* CONFIG_SMP */
>  	/* restore registers and return */
>  	blr
> @@ -172,7 +172,7 @@ _GLOBAL(load_up_vsx)
>  	oris	r12,r12,MSR_VSX@h
>  	std	r12,_MSR(r1)
>  #ifndef CONFIG_SMP
> -	/* Update last_task_used_math to 'current' */
> +	/* Update last_task_used_vsx to 'current' */
>  	ld	r4,PACACURRENT(r13)
>  	std	r4,0(r3)
>  #endif /* CONFIG_SMP */
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2009-07-10 21:17 [PATCH] powerpc: Fix another bug in move of altivec code to vector.S Andreas Schwab
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