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From:   Oliver Upton <oliver.upton@linux.dev>
To:     Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Oliver Upton <oliver.upton@linux.dev>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        kvm@vger.kernel.org, Reiji Watanabe <reijiw@google.com>,
        Andrew Jones <andrew.jones@linux.dev>,
        linux-kernel@vger.kernel.org
Subject: [PATCH v3 4/7] KVM: arm64: Spin off helper for calling visibility hook
Date:   Tue, 13 Sep 2022 09:44:37 +0000
Message-Id: <20220913094441.3957645-5-oliver.upton@linux.dev>
In-Reply-To: <20220913094441.3957645-1-oliver.upton@linux.dev>
References: <20220913094441.3957645-1-oliver.upton@linux.dev>
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No functional change intended.

Reviewed-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 arch/arm64/kvm/sys_regs.h | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h
index a8c4cc32eb9a..e78b51059622 100644
--- a/arch/arm64/kvm/sys_regs.h
+++ b/arch/arm64/kvm/sys_regs.h
@@ -136,22 +136,25 @@ static inline void reset_val(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r
 	__vcpu_sys_reg(vcpu, r->reg) = r->val;
 }
 
-static inline bool sysreg_hidden(const struct kvm_vcpu *vcpu,
-				 const struct sys_reg_desc *r)
+static inline unsigned int sysreg_visibility(const struct kvm_vcpu *vcpu,
+					     const struct sys_reg_desc *r)
 {
 	if (likely(!r->visibility))
-		return false;
+		return 0;
 
-	return r->visibility(vcpu, r) & REG_HIDDEN;
+	return r->visibility(vcpu, r);
+}
+
+static inline bool sysreg_hidden(const struct kvm_vcpu *vcpu,
+				 const struct sys_reg_desc *r)
+{
+	return sysreg_visibility(vcpu, r) & REG_HIDDEN;
 }
 
 static inline bool sysreg_visible_as_raz(const struct kvm_vcpu *vcpu,
 					 const struct sys_reg_desc *r)
 {
-	if (likely(!r->visibility))
-		return false;
-
-	return r->visibility(vcpu, r) & REG_RAZ;
+	return sysreg_visibility(vcpu, r) & REG_RAZ;
 }
 
 static inline int cmp_sys_reg(const struct sys_reg_desc *i1,
-- 
2.37.2.789.g6183377224-goog