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Re: [Qemu-devel] [PULL 11/24] tcg: enable thread-per-vCPU
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PULL 11/24] tcg: enable thread-per-vCPU |
Date: |
Mon, 20 Mar 2017 12:19:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 17/03/2017 21:43, Alex Bennée wrote:
> There is currently cpu->running which is set/cleared by
> cpu_exec_start/end. Although if we crash between cpu_exec_start and
> sigsetjmp the same sort of brokenness might happen.
I think cpu_exec_start/end should be moved into cpu_exec itself (but
probably just in 2.10).
Paolo
> Anyway understood now. If anyone has any suggestions for neater stuff
> over the weekend please shout, otherwise I'll probably just hack
> handle_cpu_signal to do:
>
> cpu = current_cpu;
> if (!cpu->running) {
> /* we weren't running or translating JIT code when the signal came */
> return 1;
> }