linux-kernel - [PATCH v6 4/5] KVM: arm64: selftests: Document feature registers added in 2023 extensions

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Date: Fri, 29 Mar 2024 00:13:45 +0000
From: Mark Brown <broonie@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>, 
 Oliver Upton <oliver.upton@...ux.dev>, James Morse <james.morse@....com>, 
 Suzuki K Poulose <suzuki.poulose@....com>, Jonathan Corbet <corbet@....net>, 
 Shuah Khan <shuah@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Dave Martin <Dave.Martin@....com>, kvmarm@...ts.linux.dev, 
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Mark Brown <broonie@...nel.org>
Subject: [PATCH v6 4/5] KVM: arm64: selftests: Document feature registers
 added in 2023 extensions

The 2023 architecture extensions allocated some previously usused feature
registers, add comments mapping the names in get-reg-list as we do for the
other allocated registers.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 tools/testing/selftests/kvm/aarch64/get-reg-list.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index 709d7d721760..71ea6ecec7ce 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -428,7 +428,7 @@ static __u64 base_regs[] = {
 	ARM64_SYS_REG(3, 0, 0, 4, 4),	/* ID_AA64ZFR0_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 4, 5),	/* ID_AA64SMFR0_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 4, 6),
-	ARM64_SYS_REG(3, 0, 0, 4, 7),
+	ARM64_SYS_REG(3, 0, 0, 4, 7),	/* ID_AA64FPFR_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 5, 0),	/* ID_AA64DFR0_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 5, 1),	/* ID_AA64DFR1_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 5, 2),
@@ -440,7 +440,7 @@ static __u64 base_regs[] = {
 	ARM64_SYS_REG(3, 0, 0, 6, 0),	/* ID_AA64ISAR0_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 6, 1),	/* ID_AA64ISAR1_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 6, 2),	/* ID_AA64ISAR2_EL1 */
-	ARM64_SYS_REG(3, 0, 0, 6, 3),
+	ARM64_SYS_REG(3, 0, 0, 6, 3),	/* ID_AA64ISAR3_EL1 */
 	ARM64_SYS_REG(3, 0, 0, 6, 4),
 	ARM64_SYS_REG(3, 0, 0, 6, 5),
 	ARM64_SYS_REG(3, 0, 0, 6, 6),

-- 
2.30.2