From: Miaohe Lin <linmiaohe@huawei.com>
To: "Huang, Kai" <kai.huang@intel.com>, "Christopherson,,
Sean" <seanjc@google.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"hpa@zytor.com" <hpa@zytor.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"bp@alien8.de" <bp@alien8.de>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] kvm: x86: mmu: fix memoryleak in kvm_mmu_vendor_module_init()
Date: Wed, 31 Aug 2022 09:58:14 +0800 [thread overview]
Message-ID: <b1d1d9f8-da38-dca4-594b-98c1c3ef302e@huawei.com> (raw)
In-Reply-To: <BL1PR11MB5978F8CB6B5900184C704EDEF7789@BL1PR11MB5978.namprd11.prod.outlook.com>
On 2022/8/31 9:07, Huang, Kai wrote:
>> On Tue, Aug 30, 2022, Huang, Kai wrote:
>>> On Tue, 2022-08-30 at 21:40 +0000, Sean Christopherson wrote:
>>>> On Tue, Aug 23, 2022, Miaohe Lin wrote:
>>>>> When register_shrinker() fails, we forgot to release the percpu
>>>>> counter
>>>
>>>>> kvm_total_used_mmu_pages leading to memoryleak. Fix this issue by
>>>>> calling
>>>>> percpu_counter_destroy() when register_shrinker() fails.
>>>>>
>>>>> Fixes: ab271bd4dfd5 ("x86: kvm: propagate register_shrinker return
>>>>> code")
>>>>> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
>>>>> ---
>>>>
>>>> Pushed to branch `for_paolo/6.1` at:
>>>>
>>>> https://github.com/sean-jc/linux.git
>>>>
>>>> Unless you hear otherwise, it will make its way to kvm/queue "soon".
>>>>
>>>> Note, the commit IDs are not guaranteed to be stable.
>>>
>>> Sorry for late reply.
>>>
>>> The commit message has "we". Should we get rid of it?
>>
>> Avoiding pronouns is obviously my preference, but sometimes even I set aside
>> my crusade to move things along :-)
>
> Yeah sure. I was replying just in case you didn't notice it :)
Please ignore my previous question in another thread. I just saw this patch. ;)
Many thanks.
>
> .
>
next prev parent reply other threads:[~2022-08-31 1:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-23 6:32 Miaohe Lin
2022-08-24 15:44 ` Sean Christopherson
2022-08-25 1:43 ` Miaohe Lin
2022-08-30 21:40 ` Sean Christopherson
2022-08-30 22:42 ` Huang, Kai
2022-08-30 22:52 ` Sean Christopherson
2022-08-31 1:07 ` Huang, Kai
2022-08-31 1:58 ` Miaohe Lin [this message]
2022-08-31 1:53 ` Miaohe Lin
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