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Re: [Qemu-devel] [PATCH 5/6] target/i386/translate: use thread-local sto

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 5/6] target/i386/translate: use thread-local storage in !user-mode
Date: Tue, 11 Sep 2018 13:24:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 10/09/2018 14:30, Emilio G. Cota wrote:
>> I'm confused - as we can have multi-threaded user space don't the same
>> requirements apply?
> In user-mode, code generation is serialized by mmap_lock.
> Making these per-thread would just waste TLS space.

It's stupid question time!  How can the TLS work?  tcg_x86_init is only
called once, the first time cpu_exec_realizefn is called.

Either they can be kept in non-TLS, or you should move them to DisasContext.


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