linux-kernel - [PATCH v1 1/4] KVM: arm64: Use macro to replace hard number

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Date:   Fri, 22 Feb 2019 16:23:23 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Christoffer Dall <christoffer.dall@....com>,
        Marc Zyngier <marc.zyngier@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        James Morse <james.morse@....com>,
        Andre Przywara <andre.przywara@....com>,
        Jun Yao <yaojun8558363@...il.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v1 1/4] KVM: arm64: Use macro to replace hard number

Use macro for ID_AA64MMFR1_EL1.VH bits shift instead of 8 directly.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 arch/arm64/kernel/head.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 4471f570a295..3ac377e9fd28 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -490,7 +490,7 @@ ENTRY(el2_setup)
 	 * kernel is intended to run at EL2.
 	 */
 	mrs	x2, id_aa64mmfr1_el1
-	ubfx	x2, x2, #8, #4
+	ubfx	x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
 #else
 	mov	x2, xzr
 #endif
-- 
2.17.1