From: Peter Xu <peterx@redhat.com>
To: Hou Wenlong <houwenlong.hwl@antgroup.com>
Cc: kvm@vger.kernel.org, Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] KVM: x86: Reduce refcount if single_open() fails in kvm_mmu_rmaps_stat_open()
Date: Mon, 17 Oct 2022 14:05:28 -0400 [thread overview]
Message-ID: <Y02ZaByd+O71o3Un@x1n> (raw)
In-Reply-To: <5ddb7c97d2f1edbd000020aa842b0619374e6951.1665975828.git.houwenlong.hwl@antgroup.com>
On Mon, Oct 17, 2022 at 11:06:09AM +0800, Hou Wenlong wrote:
> Refcount is increased before calling single_open() in
> kvm_mmu_rmaps_stat_open(), If single_open() fails, refcount should be
> restored, otherwise the vm couldn't be destroyed.
>
> Fixes: 3bcd0662d66fd ("KVM: X86: Introduce mmu_rmaps_stat per-vm debugfs file")
> Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Thanks,
--
Peter Xu
prev parent reply other threads:[~2022-10-17 18:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 3:06 [PATCH v2 1/2] KVM: x86: Reduce refcount if single_open() fails in kvm_mmu_rmaps_stat_open() Hou Wenlong
2022-10-17 3:06 ` [PATCH v2 2/2] KVM: debugfs: Return retval of simple_attr_open() if it fails Hou Wenlong
2022-10-22 9:08 ` Paolo Bonzini
2022-10-17 18:05 ` Peter Xu [this message]
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