linux-kernel - Re: [PATCH v3 0/2] kvm: arm/arm64: Fixes for race conditions

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Date:   Tue, 16 May 2017 11:01:54 +0100
From:   Suzuki K Poulose <Suzuki.Poulose@....com>
To:     Christoffer Dall <cdall@...aro.org>
Cc:     christoffer.dall@...aro.org, agraf@...e.de, andreyknvl@...gle.com,
        marc.zyngier@....com, mark.rutland@....com, pbonzini@...hat.com,
        rkrcmar@...hat.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        kvm@...r.kernel.org
Subject: Re: [PATCH v3 0/2] kvm: arm/arm64: Fixes for race conditions

On 16/05/17 10:53, Christoffer Dall wrote:
> On Tue, May 16, 2017 at 10:34:53AM +0100, Suzuki K Poulose wrote:
>> The patches fixes race conditions in stage2 pgd accesses.
>>
>> Patch 1 is a fix up for the patch which has already been pushed to
>> kvmarm/master.
>>
>> Patch 2 fixes a case where stage2 PGD could be free'd when we release
>> the kvm->mmu_lock to prevent VCPU starvation.
>>
>> Applies on kvmarm/master tree
>
> Thanks for the rebase and fix.
>
> Applied to master, and for both patches::
>
> Reviewed-by: Christoffer Dall <cdall@...aro.org>
>

Thanks, I think these fixes needs to go to stable as well. I will wait for
these to hit mainline and then send a back port.

Suzuki