linux-kernel - Re: [patch, try#2] kvm: fix GFP_KERNEL allocation in atomic section in kvm_dev_ioctl_create

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Message-ID: <4593C345.9040306@qumranet.com>
Date:	Thu, 28 Dec 2006 15:14:45 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	kvm-devel <kvm-devel@...ts.sourceforge.net>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: [patch, try#2] kvm: fix GFP_KERNEL allocation in atomic section
 in kvm_dev_ioctl_create_vcpu()

Ingo Molnar wrote:
> Subject: [patch] kvm: fix GFP_KERNEL allocation in atomic section in kvm_dev_ioctl_create_vcpu()
> From: Ingo Molnar <mingo@...e.hu>
>
> fix an GFP_KERNEL allocation in atomic section: 
> kvm_dev_ioctl_create_vcpu() called kvm_mmu_init(), which calls 
> alloc_pages(), while holding the vcpu.
>
> The fix is to set up the MMU state in two phases: kvm_mmu_create() and 
> kvm_mmu_setup().
>
> (NOTE: free_vcpus does an kvm_mmu_destroy() call so there's no need
>  for any extra teardown branch on allocation/init failure here.)
>
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
>   

Applied, thanks.

-- 
error compiling committee.c: too many arguments to function

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