RE: [Patch] Don't alloc empty frame in ia64_switch_mode_phys

From: Zou Nan hai <>
Date: 2006-07-27 07:08:44
On Wed, 2006-07-26 at 23:33, Chen, Kenneth W wrote:
> Zou Nan hai wrote on Tuesday, July 25, 2006 4:37 PM
> > I think ia64_switch_mode_phys and ia64_switch_mode_virt 
> > does not need to alloc an empty frame. 
> > An empty frame is required by loadrs but flushrs 
> > does not need that.
> This patch would make your previous "Do not assume output registers
> be reservered" unnecessary, isn't it?  It will automatically solve
> the problem you are trying to fix in previous patch.
  Yes, any individual of the 2 patches will fix the issue. 
  However I still like to fix the "assume output registers to be
preserved issue" in pal.S, because that dose not follow software runtime

  Zou Nan hai
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Received on Thu Jul 27 09:04:55 2006

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