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Re: [Qemu-devel] tcg: reworking tb_invalidated_flag
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] tcg: reworking tb_invalidated_flag |
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Date: |
Thu, 31 Mar 2016 09:25:21 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 |
On 03/31/2016 05:42 AM, Sergey Fedorov wrote:
> On 31/03/16 13:48, Alex Bennée wrote:
>> I know we are system focused at the moment but does linux-user ever
>> flush groups of TBs, say when mappings change? Or does this trigger a
>> whole tb_flush?
>
> Yes, e.g. target_mmap() calls tb_invalidate_phys_range().
Mapping over executable code is exceedingly rare, however.
We could do just as well with a full flush, if that's simpler.
r~
- Re: [Qemu-devel] tcg: reworking tb_invalidated_flag, (continued)
Re: [Qemu-devel] tcg: reworking tb_invalidated_flag, Richard Henderson, 2016/03/30
Re: [Qemu-devel] tcg: reworking tb_invalidated_flag, Alex Bennée, 2016/03/31