linux-kernel - Re: [PATCH] kvm: don't take vcpu mutex for obviously invalid vcpu ioctls

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Message-ID: <20140922230029.GA12293@amt.cnet>
Date:	Mon, 22 Sep 2014 20:00:29 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	David Matlack <dmatlack@...gle.com>,
	Gleb Natapov <gleb@...nel.org>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kvm: don't take vcpu mutex for obviously invalid vcpu
 ioctls

On Mon, Sep 22, 2014 at 11:29:16PM +0200, Paolo Bonzini wrote:
> 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

Alright. 

s/Should not be executing vcpu ioctls/Should not be executing vcpu
ioctls which take vcpu mutex/


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