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Re: [Qemu-devel] [RFC][PATCH] Register Linux dyntick timer as per-thread
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From: |
Alexandre Raymond |
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Subject: |
Re: [Qemu-devel] [RFC][PATCH] Register Linux dyntick timer as per-thread signal |
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Date: |
Thu, 16 Jun 2011 11:24:54 -0400 |
Hi Jan,
On Thu, Jun 16, 2011 at 5:31 AM, Jan Kiszka <address@hidden> wrote:
> Ingo Molnar pointed out that sending the timer signal to the whole
> process, just blocking it everywhere, is suboptimal with an increasing
> number of threads. QEMU is using this pattern so far.
I am not familiar with this code, but don't you already need to block
SIGALRM properly in all threads for OSes != Linux ? If so, isn't this
patch redundant?
Alexandre