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Re: [Qemu-devel] [PATCH v7 00/11] Fix exceptions handling for MIPS, Powe
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From: |
Aurelien Jarno |
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Subject: |
Re: [Qemu-devel] [PATCH v7 00/11] Fix exceptions handling for MIPS, PowerPC, and i386 |
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Date: |
Tue, 15 Sep 2015 12:58:00 +0200 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On 2015-09-14 15:55, Richard Henderson wrote:
> On 07/10/2015 02:56 AM, Pavel Dovgalyuk wrote:
> >Pavel Dovgalyuk (11):
> > softmmu: add helper function to pass through retaddr
> > softmmu: remove now unused functions
> > cpu-exec: introduce loop exit with restore function
>
> These first three have been merged now.
>
> > target-mips: improve exception handling
> > target-i386: introduce new raise_exception functions
> > target-i386: exception handling for FPU instructions
> > target-i386: exception handling for div instructions
> > target-i386: exception handling for memory helpers
> > target-i386: exception handling for seg_helper functions
> > target-i386: exception handling for other helper functions
> > target-ppc: exceptions handling in icount mode
>
> And I've applied the target-i386 patches to my tgt-i386-next branch.
> They'll be merged soon. That leaves the mips and ppc patches; I hope that
> Leon and Alex will review these.
AFAIK Leon already started to look at the mips patch. The problem is
that there introduced a serious performance regression in user mode:
https://lists.gnu.org/archive/html/qemu-devel/2015-08/msg01620.html
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
address@hidden http://www.aurel32.net