RE: [PATCH] IA64 kprobe invalidate icache of jump buffer

[Keshavamurthy, Anil S]

>-----Original Message-----
>From: Mao, Bibo 
>Sent: Sunday, July 02, 2006 7:37 PM
>To: Andrew Morton
>Cc: linux-kernel@xxxxxxxxxxxxxxx; Keshavamurthy, Anil S; 
>Masami Hiramatsu; Prasanna S Panchamukhi; Ananth N 
>Mavinakayanahalli; Jim Keniston; SystemTAP; Mao, Bibo
>Subject: [PATCH] IA64 kprobe invalidate icache of jump buffer
>
>Hi,
>
>   Kprobe inserts breakpoint instruction in probepoint and then jumps
>to instruction slot when breakpoint is hit, the instruction slot icache
>must be consistent with dcache. Here is the patch which invalidates
>instruction slot icache area.
>   Without this patch, in some machines there will be fault 
>when executing
>instruction slot where icache content is inconsistent with 
>dcache.This patch
>is based on 2.6.17 version.	
>
>Signed-off-by: bibo,mao <bibo.mao@xxxxxxxxx>
Acked-by: Anil S Keshavamurthy <anil.s.keshavamurthy@xxxxxxxxx>
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