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Re: [Qemu-devel] [PATCH v1 3/5] include/qemu/atomic.h: default to __atom
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH v1 3/5] include/qemu/atomic.h: default to __atomic functions |
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Date: |
Thu, 4 Feb 2016 13:00:34 +0000 |
On 4 February 2016 at 12:40, Paolo Bonzini <address@hidden> wrote:
> I don't know the exact feature test, and I think ARMv7's penalty is much
> less because processors are slower, with a less deep pipeline and
> usually not used in SMP configurations.
Most v7 cores are SMP, and especially most v7 cores with enough
CPU grunt that it's sensible to run QEMU at all are going to be SMP.
thanks
-- PMM