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Re: [Qemu-devel] tcg: reworking tb_invalidated_flag

From: Richard Henderson
Subject: Re: [Qemu-devel] tcg: reworking tb_invalidated_flag
Date: Thu, 31 Mar 2016 09:25:21 -0700
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.


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