From: Sean Christopherson <seanjc@google.com>
To: Chenyi Qiang <chenyi.qiang@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: MMU: Reset mmu->pkru_mask to avoid stale data
Date: Thu, 21 Oct 2021 14:53:24 +0000 [thread overview]
Message-ID: <YXF+5JiP4pDh2/qW@google.com> (raw)
In-Reply-To: <20211021071022.1140-1-chenyi.qiang@intel.com>
On Thu, Oct 21, 2021, Chenyi Qiang wrote:
> When updating mmu->pkru_mask, the value can only be added but it isn't
> reset in advance. This will make mmu->pkru_mask keep the stale data.
> Fix this issue.
>
> Fixes: commit 2d344105f57c ("KVM, pkeys: introduce pkru_mask to cache conditions")
> Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
> ---
Reviewed-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2021-10-21 14:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 7:10 [PATCH] KVM: MMU: Reset mmu->pkru_mask to avoid stale data Chenyi Qiang
2021-10-21 14:53 ` Sean Christopherson [this message]
2021-10-21 15:09 ` Paolo Bonzini
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