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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Huacai Chen <chenhuacai@loongson.cn>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: kvm@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	stable@vger.kernel.org, kernel test robot <lkp@intel.com>
Subject: Re: [PATCH] MIPS: KVM: Fix a build warning about variable set but not used
Date: Tue, 10 Oct 2023 15:59:42 +0200	[thread overview]
Message-ID: <7a145a7e-02b3-64c3-348c-34037d5aeca1@linaro.org> (raw)
In-Reply-To: <20231010085434.2678144-1-chenhuacai@loongson.cn>

On 10/10/23 10:54, Huacai Chen wrote:
> After commit 411740f5422a ("KVM: MIPS/MMU: Implement KVM_CAP_SYNC_MMU")

Date:   Tue Dec 13 16:32:39 2016 +0000

7 years ago...

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

> old_pte is no longer used in kvm_mips_map_page(). So remove it to fix a
> build warning about variable set but not used:
> 
>     arch/mips/kvm/mmu.c: In function 'kvm_mips_map_page':
>>> arch/mips/kvm/mmu.c:701:29: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable]
>       701 |         pte_t *ptep, entry, old_pte;
>           |                             ^~~~~~~
> 
> Cc: stable@vger.kernel.org
> Fixes: 411740f5422a960 ("KVM: MIPS/MMU: Implement KVM_CAP_SYNC_MMU")
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202310070530.aARZCSfh-lkp@intel.com/
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
>   arch/mips/kvm/mmu.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)


  reply	other threads:[~2023-10-10 13:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-10  8:54 Huacai Chen
2023-10-10 13:59 ` Philippe Mathieu-Daudé [this message]
2023-10-19  8:50 ` Thomas Bogendoerfer

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