Re: [PATCH] i386/xen: add proper unwind annotations to xen_sysenter_target

[H. Peter Anvin]

Jan Beulich wrote:
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
> Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
>
> ---
>  arch/x86/kernel/entry_32.S |    2 ++
>  1 file changed, 2 insertions(+)
>
> --- linux-2.6.26/arch/x86/kernel/entry_32.S	2008-07-13 23:51:29.000000000 +0200
> +++ 2.6.26-i386-xen-entry-annot/arch/x86/kernel/entry_32.S	2008-07-15 14:51:28.000000000 +0200
> @@ -1023,7 +1023,9 @@ ENDPROC(kernel_thread_helper)
>  ENTRY(xen_sysenter_target)
>  	RING0_INT_FRAME
>  	addl $5*4, %esp		/* remove xen-provided frame */
> +	CFI_ADJUST_CFA_OFFSET -5*4
>  	jmp sysenter_past_esp
> +	CFI_ENDPROC
>  
>  ENTRY(xen_hypervisor_callback)
>  	CFI_STARTPROC

Manually applied to x86/xen; CFI_ENDPROC was already in the tree...

	-hpa
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