Re: [git pull] Please pull powerpc.git merge branch

[Richard Cochran]

On Fri, May 20, 2011 at 09:58:45AM -0400, Josh Boyer wrote:
> On Fri, May 20, 2011 at 03:23:29PM +0200, Richard Cochran wrote:
> >When I try to build 'next' (now at 208b3a4c), it does not compile due
> >to a change from the following commit.
> >
> >> Benjamin Herrenschmidt (1):
> >>       powerpc/smp: Make start_secondary_resume available to all CPU variants
> >
> >I would appreciate your help in getting this fixed...
> 
> Could you try the patch below?

Yes, and it both compiles and boots.

Thanks,
Richard

> 
> Commit 69e3cea8d5fd526 introduced start_secondary_resume to misc_32.S,
> however it uses a 64-bit instruction which is not valid on 32-bit
> platforms.  Use 'stw' instead.
> 
> Reported-by: Richard Cochran <richardcochran@xxxxxxxxx>
> Signed-off-by: Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxxx>
> 
> ---
> 
> diff --git a/arch/powerpc/kernel/misc_32.S
> b/arch/powerpc/kernel/misc_32.S
> index 402560e..998a100 100644
> --- a/arch/powerpc/kernel/misc_32.S
> +++ b/arch/powerpc/kernel/misc_32.S
> @@ -700,7 +700,7 @@ _GLOBAL(start_secondary_resume)
> 	rlwinm  r1,r1,0,0,(31-THREAD_SHIFT)     /* current_thread_info() */
> 	addi    r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
> 	li      r3,0
> -	std     r3,0(r1)                /* Zero the stack frame pointer */
> +	stw     r3,0(r1)                /* Zero the stack frame pointer */
> 	bl      start_secondary
> 	b       .
>  #endif /* CONFIG_SMP */
> 
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