From: Marc Zyngier <maz@kernel.org>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: catalin.marinas@arm.com, linux-kernel@vger.kernel.org,
wanghaibin.wang@huawei.com, will@kernel.org,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] KVM: arm64: Drop PTE_S2_MEMATTR_MASK
Date: Thu, 16 Apr 2020 16:36:05 +0100 [thread overview]
Message-ID: <20200416163605.091fa6eb@why> (raw)
In-Reply-To: <20200415105746.314-1-yuzenghui@huawei.com>
On Wed, 15 Apr 2020 18:57:46 +0800
Zenghui Yu <yuzenghui@huawei.com> wrote:
> The only user of PTE_S2_MEMATTR_MASK macro had been removed since
> commit a501e32430d4 ("arm64: Clean up the default pgprot setting").
> It has been about six years and no one has used it again.
>
> Let's drop it.
>
> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
> ---
> arch/arm64/include/asm/pgtable-hwdef.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
> index 6bf5e650da78..99315bdca0e6 100644
> --- a/arch/arm64/include/asm/pgtable-hwdef.h
> +++ b/arch/arm64/include/asm/pgtable-hwdef.h
> @@ -190,7 +190,6 @@
> * Memory Attribute override for Stage-2 (MemAttr[3:0])
> */
> #define PTE_S2_MEMATTR(t) (_AT(pteval_t, (t)) << 2)
> -#define PTE_S2_MEMATTR_MASK (_AT(pteval_t, 0xf) << 2)
>
> /*
> * EL2/HYP PTE/PMD definitions
Looks good to me. Catalin, Will: do you want to take this directly? If
so please add my:
Acked-by: Marc Zyngier <maz@kernel.org>
Otherwise, I'll route it via the KVM tree.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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next prev parent reply other threads:[~2020-04-16 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 10:57 [PATCH] KVM: arm64: Drop PTE_S2_MEMATTR_MASK Zenghui Yu
2020-04-16 15:36 ` Marc Zyngier [this message]
2020-04-16 17:05 ` Will Deacon
2020-04-16 17:24 ` Marc Zyngier
2020-04-28 14:49 ` Will Deacon
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