From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>,
David Matlack <dmatlack@google.com>
Cc: Gleb Natapov <gleb@kernel.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kvm: don't take vcpu mutex for obviously invalid vcpu ioctls
Date: Mon, 22 Sep 2014 23:29:16 +0200 [thread overview]
Message-ID: <542094AC.6070908@redhat.com> (raw)
In-Reply-To: <20140922200812.GA9217@amt.cnet>
Il 22/09/2014 22:08, Marcelo Tosatti ha scritto:
> > This patch does not change functionality, it just makes invalid ioctls
> > fail faster.
>
> Should not be executing vcpu ioctls without interrupt KVM_RUN in the
> first place.
This is not entirely true, there are a couple of asynchronous ioctls
though they are not used on x86 (commit 2122ff5eab8f, KVM: move vcpu
locking to dispatcher for generic vcpu ioctls, 2010-05-13).
Paolo
next prev parent reply other threads:[~2014-09-22 21:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 23:03 [PATCH] kvm: don't take vcpu mutex for obviously invalid vcpu ioctls David Matlack
2014-09-22 10:50 ` Paolo Bonzini
2014-09-22 13:45 ` Christian Borntraeger
2014-09-22 14:31 ` Paolo Bonzini
2014-09-22 18:35 ` David Matlack
2014-09-22 19:20 ` Christian Borntraeger
2014-09-22 19:29 ` Paolo Bonzini
2014-09-23 6:49 ` Gleb Natapov
2014-09-23 8:06 ` Christian Borntraeger
2014-09-23 8:23 ` Paolo Bonzini
2014-09-22 19:40 ` David Matlack
2014-09-22 20:08 ` Marcelo Tosatti
2014-09-22 21:29 ` Paolo Bonzini [this message]
2014-09-22 23:00 ` Marcelo Tosatti
2014-09-22 22:58 ` David Matlack
2014-09-23 0:13 ` Marcelo Tosatti
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