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From: Yujie Liu <yujie.liu@intel.com>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Marc Zyngier <maz@kernel.org>, kernel test robot <lkp@intel.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	<kunit-dev@googlegroups.com>, <kvmarm@lists.linux.dev>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-arm-msm@vger.kernel.org>,
	<linux-bluetooth@vger.kernel.org>,
	<linux-kselftest@vger.kernel.org>, <linux-parisc@vger.kernel.org>,
	<linux-rdma@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
	<linux-usb@vger.kernel.org>, <netdev@vger.kernel.org>
Subject: Re: [linux-next:master] BUILD REGRESSION 296d53d8f84ce50ffaee7d575487058c8d437335
Date: Mon, 10 Jul 2023 13:51:42 +0800	[thread overview]
Message-ID: <ZKucbr9WHLipxmAh@yujie-X299> (raw)
In-Reply-To: <739807cf-4551-4760-83e0-a94026b5c1b8@acm.org>

Hi Bart,

On Tue, Jul 04, 2023 at 07:11:37AM -0700, Bart Van Assche wrote:
> On 7/4/23 00:15, Marc Zyngier wrote:
> > On 2023-07-03 16:11, kernel test robot wrote:
> > > tree/branch:
> > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> > > master
> > > branch HEAD: 296d53d8f84ce50ffaee7d575487058c8d437335  Add linux-next
> > > specific files for 20230703
> > > 
> > 
> > [...]
> > 
> > > Unverified Error/Warning (likely false positive, please contact us if
> > > interested):
> > > 
> > > arch/arm64/kvm/mmu.c:147:3-9: preceding lock on line 140
> > 
> > This *is* a false positive. The function is entered with a lock
> > held, it will exit with the lock held as well. Inside the body
> > of the function, we release and reacquire the lock.
> 
> Which tool reported this message? If this message was reported by sparse,
> has it been considered to add a __must_hold() annotation?

Sorry for the late reply.

This message was reported by coccinelle and may be a false positive.
Please check the link [1] for details.

[1] https://lore.kernel.org/oe-kbuild/202307031751.Ztgi3O29-lkp@intel.com/

Best Regards,
Yujie


  reply	other threads:[~2023-07-10  5:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-03 15:11 kernel test robot
2023-07-04  7:15 ` Marc Zyngier
2023-07-04 14:11   ` Bart Van Assche
2023-07-10  5:51     ` Yujie Liu [this message]
2023-07-04 10:30 ` Shay Drory

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