linux-kernel - [PATCH] KVM: arm64: Drop PTE_S2_MEMATTR

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Message-ID: <20200415105746.314-1-yuzenghui@huawei.com>
Date:   Wed, 15 Apr 2020 18:57:46 +0800
From:   Zenghui Yu <yuzenghui@...wei.com>
To:     <kvmarm@...ts.cs.columbia.edu>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <maz@...nel.org>, <catalin.marinas@....com>, <will@...nel.org>,
        <wanghaibin.wang@...wei.com>, Zenghui Yu <yuzenghui@...wei.com>
Subject: [PATCH] KVM: arm64: Drop PTE_S2_MEMATTR_MASK

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@...wei.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
-- 
2.19.1