lkml.org 
[lkml]   [2015]   [Sep]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 0/5] KVM: optimize userspace exits with a new ioctl
From
Date


On 02/09/2015 12:31, Christian Borntraeger wrote:
> As far as I can see this should also work for s390 (when we implement
> REQ_EXIT handling)
>
> To double check my understanding: these improvements come with a changed
> userspace that does not use KVM_SET_SIGNAL_MASK and therefore this
> conditional is false
> if (vcpu->sigset_active)
> sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
> Correct?
>
> That also means we improve exits that go to userspace but lightweight exits
> that stay inside the kernel are not affected.

Yes, both observations are correct.

Paolo


\
 
 \ /
  Last update: 2015-09-07 14:41    [W:0.564 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site