On Tue, May 08, 2007 at 09:13:18AM +0800, Zou Nan hai wrote:
>
> Hi Tony,
> If the per-cpu TR entry is removed,
> I think the relocate_kernel.S also need a fix to remove the per-cpu
> TR
> purge code.
Just to clarify, is this what you are thinking about?
If so, it seems sensible to me.
Index: linux-2.6-ia64/arch/ia64/kernel/relocate_kernel.S
===================================================================
--- linux-2.6-ia64.orig/arch/ia64/kernel/relocate_kernel.S 2007-05-08
16:15:05.000000000 +0900
+++ linux-2.6-ia64/arch/ia64/kernel/relocate_kernel.S 2007-05-08
16:25:23.000000000 +0900
@@ -104,15 +104,6 @@ GLOBAL_ENTRY(relocate_new_kernel)
srlz.i
;;
- // purge TR entry for percpu data
- movl r16=PERCPU_ADDR
- mov r18=PERCPU_PAGE_SHIFT<<2
- ;;
- ptr.d r16,r18
- ;;
- srlz.d
- ;;
-
// purge TR entry for pal code
mov r16=in3
mov r18=IA64_GRANULE_SHIFT<<2
-
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