RE: [Patch] remove some rsm psr.dt in ivt.S

From: Chen, Kenneth W <kenneth.w.chen_at_intel.com>
Date: 2006-10-18 10:30:11
Zou Nan hai wrote on Tuesday, October 17, 2006 3:10 PM
> The rsm psr.dt in page_not_present, key_permission, iaccess_rights and
> daccess_right are not necessary. 
> Since there is no data access between those points to page_fault, and
> page_fault will enable psr.dt at the beginning.
> 
> @@ -1221,10 +1219,8 @@ END(page_not_present)
>  ENTRY(key_permission)
>  	DBG_FAULT(21)
>  	mov r16=cr.ifa
> -	rsm psr.dt
>  	mov r31=pr
>  	;;
> -	srlz.d
>  	br.sptk.many page_fault
>  END(key_permission)


You can get rid of that stop bit too.  Same for two other instances.
And your changelog mentioned daccess_right, but patch missed that hunk.

- Ken
-
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Received on Wed Oct 18 10:30:43 2006

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