linux-kernel - [PATCH v4 05/21] arm64/esr: Document ISS for ZT0 being disabled

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Message-Id: <20221208-arm64-sme2-v4-5-f2fa0aef982f@kernel.org>
Date:   Mon, 16 Jan 2023 16:04:40 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Shuah Khan <shuah@...nel.org>
Cc:     Alan Hayward <alan.hayward@....com>,
        Luis Machado <luis.machado@....com>,
        Szabolcs Nagy <szabolcs.nagy@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.linux.dev, linux-kselftest@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v4 05/21] arm64/esr: Document ISS for ZT0 being disabled

SME2 defines a new ISS code for use when trapping acesses to ZT0, add a
definition for it.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 arch/arm64/include/asm/esr.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 15b34fbfca66..5f3271e9d5df 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -341,6 +341,7 @@
 #define ESR_ELx_SME_ISS_ILL		1
 #define ESR_ELx_SME_ISS_SM_DISABLED	2
 #define ESR_ELx_SME_ISS_ZA_DISABLED	3
+#define ESR_ELx_SME_ISS_ZT_DISABLED	4
 
 #ifndef __ASSEMBLY__
 #include <asm/types.h>

-- 
2.34.1