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Re: [PATCH htl v3 3/5] htl: Reimplement GSCOPE

From: Samuel Thibault
Subject: Re: [PATCH htl v3 3/5] htl: Reimplement GSCOPE
Date: Wed, 15 Sep 2021 01:28:43 +0200
User-agent: NeoMutt/20170609 (1.8.3)

Sergey Bugaev, le mar. 07 sept. 2021 16:33:23 +0300, a ecrit:
> This is a new implementation of GSCOPE which largely mirrors its NPTL
> counterpart. Same as in NPTL, instead of a global flag shared between
> threads, there is now a per-thread GSCOPE flag stored in each thread's
> TCB. This makes entering and exiting a GSCOPE faster at the expense of
> making THREAD_GSCOPE_WAIT () slower.
> The largest win is the elimination of many redundant gsync_wake () RPC
> calls; previously, even simplest programs would make dozens of fully
> redundant gsync_wake () calls.

That looks good, thanks!


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