Re: [PATCH] MIPS: KVM: Fix a build warning about variable set but not used

[Philippe Mathieu-Daudé]

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@xxxxxxxxxx>

> 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@xxxxxxxxxxxxxxx
> Fixes: 411740f5422a960 ("KVM: MIPS/MMU: Implement KVM_CAP_SYNC_MMU")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202310070530.aARZCSfh-lkp@xxxxxxxxx/
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> ---
>   arch/mips/kvm/mmu.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)