[libvirt] [PATCH 7/7] qemu: Ignore def->cpumask if emulatorpin is specified

Martin Kletzander mkletzan at redhat.com
Fri Oct 12 14:16:56 UTC 2012


On 10/12/2012 11:50 AM, Osier Yang wrote:
> If the vcpu placement is "static", it's just fine to ignore the
> def->cpumask if emulatorpin is specified. See more details in
> PATCH 1/7.
> ---
>  src/qemu/qemu_process.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> index f8a2bfd..63a51c4 100644
> --- a/src/qemu/qemu_process.c
> +++ b/src/qemu/qemu_process.c
> @@ -2618,7 +2618,8 @@ static int qemuProcessHook(void *data)
>  
>      /* This must be done after cgroup placement to avoid resetting CPU
>       * affinity */
> -    if (qemuProcessInitCpuAffinity(h->driver, h->vm, h->nodemask) < 0)
> +    if (!def->cputune.emulatorpin &&
> +        qemuProcessInitCpuAffinity(h->driver, h->vm, h->nodemask) < 0)
>          goto cleanup;
>  
>      if (qemuProcessInitNumaMemoryPolicy(h->vm, h->nodemask) < 0)
> 

I think it is more readable in qemuProcessInitCpuAffinity, makes more
sense to me, what do you think?

Martin




More information about the libvir-list mailing list