From: Sean Christopherson <seanjc@google.com>
To: Like Xu <like.xu.linux@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: x86/mmu: Passing up the error state of mmu_alloc_shadow_roots()
Date: Tue, 1 Mar 2022 15:47:28 +0000 [thread overview]
Message-ID: <Yh5AEAQOX4nT5p7G@google.com> (raw)
In-Reply-To: <20220301124941.48412-1-likexu@tencent.com>
On Tue, Mar 01, 2022, Like Xu wrote:
> From: Like Xu <likexu@tencent.com>
>
> Just like on the optional mmu_alloc_direct_roots() path, once shadow
> path reaches "r = -EIO" somewhere, the caller needs to know the actual
> state in order to enter error handling and avoid something worse.
Well that's emabarrassing.
> Fixes: 4a38162ee9f1 ("KVM: MMU: load PDPTRs outside mmu_lock")
Cc: stable@vger.kernel.org
> Signed-off-by: Like Xu <likexu@tencent.com>
> ---
Reviewed-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2022-03-01 15:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-01 12:49 [PATCH] KVM: x86/mmu: Passing up the error state of mmu_alloc_shadow_roots() Like Xu
2022-03-01 15:47 ` Sean Christopherson [this message]
2022-03-01 20:16 ` Paolo Bonzini
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