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Re: [Qemu-devel] Re: [PATCH v3] introduce on_vcpu

From: Jamie Lokier
Subject: Re: [Qemu-devel] Re: [PATCH v3] introduce on_vcpu
Date: Sat, 29 Aug 2009 02:22:27 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

Anthony Liguori wrote:
> Glauber Costa wrote:
> Since we already keep the tid in the vcpu structure, it seems to make 
> more sense to ask "am I this vcpu thread" by doing gettid() == env->tid 
> than by maintaining a new global tls variable.

Note that a tls variable will be much faster than gettid().  Don't
know if you're talking about a hot path.

-- Jamie

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