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From: Paolo Bonzini <pbonzini@redhat.com>
To: David Hildenbrand <dahi@linux.vnet.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	KVM <kvm@vger.kernel.org>, Gleb Natapov <gleb@kernel.org>,
	Rik van Riel <riel@redhat.com>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	Michael Mueller <mimu@linux.vnet.ibm.com>
Subject: Re: [PATCH/RFC] KVM: track pid for VCPU only on KVM_RUN ioctl
Date: Tue, 19 Aug 2014 14:06:37 +0200	[thread overview]
Message-ID: <53F33DCD.2030509@redhat.com> (raw)
In-Reply-To: <20140819132842.41b3c637@thinkpad-w530>

Il 19/08/2014 13:28, David Hildenbrand ha scritto:
> Looking at the code, kvm_cpu_synchronize_state() seems to do these ioctls in
> the vcpu thread (e.g. comming from cpu_synchronize_all_states()), any reasons
> why kvm_cpu_synchronize_post_reset() doesn't do the same (e.g. called from
> cpu_synchronize_all_post_reset())?

No reason, feel free to post a patch for QEMU kvm-all.c.
Documentation/virtual/kvm/api.txt clearly says:

   Only run vcpu ioctls from the same thread that was used to create the
   vcpu.

Paolo


  reply	other threads:[~2014-08-19 12:06 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-05 14:44 [PATCH/RFC] KVM: track pid for VCPU only on KVM_RUN ioctl Christian Borntraeger
2014-08-07  8:21 ` Raghavendra K T
2014-08-07  9:59   ` Christian Borntraeger
2014-08-07 13:40     ` Paolo Bonzini
2014-08-19  8:38       ` Christian Borntraeger
2014-08-07 13:39 ` Paolo Bonzini
2014-08-19  8:38   ` Christian Borntraeger
2014-08-19  9:27     ` Paolo Bonzini
2014-08-19  9:47       ` Christian Borntraeger
2014-08-19  9:53         ` Paolo Bonzini
2014-08-19  9:59           ` Christian Borntraeger
2014-08-19 10:03             ` Paolo Bonzini
2014-08-19 10:09               ` Christian Borntraeger
2014-08-19 10:31                 ` Paolo Bonzini
2014-08-19 10:48                   ` Christian Borntraeger
2014-08-19 10:50                     ` Paolo Bonzini
2014-08-19 11:28       ` David Hildenbrand
2014-08-19 12:06         ` Paolo Bonzini [this message]
2014-08-19 12:14           ` David Hildenbrand
2014-08-19 14:10             ` Christian Borntraeger
2014-08-19 14:23               ` David Hildenbrand
2014-08-19 14:46                 ` Christian Borntraeger
2014-08-19 14:52                   ` David Hildenbrand
2014-08-18  5:02 ` Wanpeng Li
2014-08-19 14:04   ` Christian Borntraeger
2014-08-19 23:22     ` Wanpeng Li
2014-08-20  7:01       ` Christian Borntraeger
2014-12-03 13:20 ` Paolo Bonzini

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