linux-kernel - [PATCH] KVM: arm64: Use ARM_SMCCC_OWNER

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Message-ID: <20251201-arm-smccc-owner-arch-v1-1-71f7d75f97a4@google.com>
Date: Mon, 01 Dec 2025 18:21:09 +0000
From: "Pierre-Clément Tosi" <ptosi@...gle.com>
To: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev
Cc: Marc Zyngier <maz@...nel.org>, Oliver Upton <oupton@...nel.org>, 
	"Pierre-Clément Tosi" <ptosi@...gle.com>
Subject: [PATCH] KVM: arm64: Use ARM_SMCCC_OWNER_ARCH in place of 0

Trivial change to use the appropriate self-documenting macro.

Signed-off-by: Pierre-Clément Tosi <ptosi@...gle.com>
---
 arch/arm64/kvm/hypercalls.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c
index 58c5fe7d757274d9079606fcc378485980c6c0f8..3e7fdbcc6411f658f5cec818bfad2e97711d37a7 100644
--- a/arch/arm64/kvm/hypercalls.c
+++ b/arch/arm64/kvm/hypercalls.c
@@ -126,14 +126,17 @@ static bool kvm_smccc_test_fw_bmap(struct kvm_vcpu *vcpu, u32 func_id)
 #define SMC32_ARCH_RANGE_BEGIN	ARM_SMCCC_VERSION_FUNC_ID
 #define SMC32_ARCH_RANGE_END	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,		\
 						   ARM_SMCCC_SMC_32,		\
-						   0, ARM_SMCCC_FUNC_MASK)
+						   ARM_SMCCC_OWNER_ARCH,	\
+						   ARM_SMCCC_FUNC_MASK)
 
 #define SMC64_ARCH_RANGE_BEGIN	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,		\
 						   ARM_SMCCC_SMC_64,		\
-						   0, 0)
+						   ARM_SMCCC_OWNER_ARCH,	\
+						   0)
 #define SMC64_ARCH_RANGE_END	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,		\
 						   ARM_SMCCC_SMC_64,		\
-						   0, ARM_SMCCC_FUNC_MASK)
+						   ARM_SMCCC_OWNER_ARCH,	\
+						   ARM_SMCCC_FUNC_MASK)
 
 static int kvm_smccc_filter_insert_reserved(struct kvm *kvm)
 {

---
base-commit: 7d0a66e4bb9081d75c82ec4957c50034cb0ea449
change-id: 20251201-arm-smccc-owner-arch-cdf29f22a06f

Best regards,
-- 
Pierre-Clément Tosi <ptosi@...gle.com>