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From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	 Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Joey Gouly <joey.gouly@arm.com>,
	 Suzuki K Poulose <suzuki.poulose@arm.com>,
	Shuah Khan <shuah@kernel.org>, Oliver Upton <oupton@kernel.org>,
	 Fuad Tabba <fuad.tabba@linux.dev>,
	Peter Maydell <peter.maydell@linaro.org>,
	 Leonardo Bras <leo.bras@arm.com>,
	Wei-Lin Chang <weilin.chang@arm.com>,
	 Yao Yuan <yaoyuan@linux.alibaba.com>,
	linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
	 kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v21 14/15] tools: Synchronise the kernel esr.h
Date: Thu, 1 Oct 2026 17:47:42 +0100	[thread overview]
Message-ID: <ar6NXWzQ1rMb1aId@gremlin> (raw)
In-Reply-To: <20260930-arm64-gcs-v21-14-3556644cd927@kernel.org>

On Wed, Sep 30, 2026 at 10:48:24PM +0100, Mark Brown wrote:
> To pick up definitions for GCS.
>
> Reviewed-by: Leonardo Bras <leo.bras@arm.com>
> Signed-off-by: Mark Brown <broonie@kernel.org>

This seems to be out of date, with your series applied to next:

$ diff -u arch/arm64/include/asm/esr.h tools/arch/arm64/include/asm/esr.h
--- arch/arm64/include/asm/esr.h	2026-10-01 17:43:56.186852562 +0100
+++ tools/arch/arm64/include/asm/esr.h	2026-10-01 17:43:56.194056154 +0100
@@ -7,7 +7,6 @@
 #ifndef __ASM_ESR_H
 #define __ASM_ESR_H

-#include <asm/memory.h>
 #include <asm/sysreg.h>

 #define ESR_ELx_EC_UNKNOWN	UL(0x00)
@@ -131,7 +130,7 @@
  * Annoyingly, the negative levels for Address size faults aren't laid out
  * contiguously (or in the desired order)
  */
-#define ESR_ELx_FSC_ADDRSZ_nL(n)	((n) == -1 ? 0x29 : 0x2C)
+#define ESR_ELx_FSC_ADDRSZ_nL(n)	((n) == -1 ? 0x25 : 0x2C)
 #define ESR_ELx_FSC_ADDRSZ_L(n)		((n) < 0 ? ESR_ELx_FSC_ADDRSZ_nL(n) : \
 						   (ESR_ELx_FSC_ADDRSZ + (n)))

@@ -437,35 +436,6 @@
 #ifndef __ASSEMBLER__
 #include <asm/types.h>

-static __always_inline bool esr_trap_is_iabt(unsigned long esr)
-{
-	return ESR_ELx_EC(esr) == ESR_ELx_EC_IABT_LOW;
-}
-
-/* Always check for S1PTW *before* using this. */
-static __always_inline bool esr_dabt_is_write(unsigned long esr)
-{
-	return esr & ESR_ELx_WNR;
-}
-
-static __always_inline bool esr_dabt_is_cm(unsigned long esr)
-{
-	return esr & ESR_ELx_CM;
-}
-
-static __always_inline bool esr_abt_is_sea(unsigned long esr)
-{
-	switch (esr & ESR_ELx_FSC) {
-	case ESR_ELx_FSC_EXTABT:
-	case ESR_ELx_FSC_SEA_TTW(-1) ... ESR_ELx_FSC_SEA_TTW(3):
-	case ESR_ELx_FSC_SECC:
-	case ESR_ELx_FSC_SECC_TTW(-1) ... ESR_ELx_FSC_SECC_TTW(3):
-		return true;
-	default:
-		return false;
-	}
-}
-
 static inline unsigned long esr_brk_comment(unsigned long esr)
 {
 	return esr & ESR_ELx_BRK64_ISS_COMMENT_MASK;

--
Cheers, Lorenzo

  reply	other threads:[~2026-10-01 16:47 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-30 21:48 [PATCH v21 00/15] KVM: arm64: Provide guest support for GCS Mark Brown
2026-09-30 21:48 ` [PATCH v21 01/15] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled Mark Brown
2026-09-30 21:48 ` [PATCH v21 02/15] KVM: arm64: Refuse to start a guest with S1PIE or S1POE but not TCR2 Mark Brown
2026-10-01 10:50   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 03/15] KVM: arm64: Manage GCS access and registers for guests Mark Brown
2026-10-01 11:28   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 04/15] KVM: arm64: Ensure GCS memory effects are visible Mark Brown
2026-09-30 21:48 ` [PATCH v21 05/15] KVM: arm64: Set PSTATE.EXLOCK when entering an exception Mark Brown
2026-10-01 11:37   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 06/15] KVM: arm64: Validate GCS exception lock when emulating ERET Mark Brown
2026-10-01 13:10   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 07/15] KVM: arm64: Forward GCS exceptions to nested guests Mark Brown
2026-10-01 14:25   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 08/15] KVM: arm64: Enforce EXLOCK for SPSR and ELR Mark Brown
2026-10-01 16:26   ` Lorenzo Stoakes (ARM)
2026-10-01 21:11     ` Mark Brown
2026-09-30 21:48 ` [PATCH v21 09/15] KVM: arm64: Allow GCS to be enabled for guests Mark Brown
2026-10-01 16:29   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 10/15] KVM: selftests: arm64: Check that invalid feature combinations are rejected Mark Brown
2026-10-01 16:35   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 11/15] KVM: selftests: arm64: Add GCS registers to get-reg-list Mark Brown
2026-10-01 16:36   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 12/15] KVM: selftests: arm64: Add GCS to set_id_regs Mark Brown
2026-10-01 16:38   ` Lorenzo Stoakes (ARM)
2026-10-01 18:14     ` Mark Brown
2026-09-30 21:48 ` [PATCH v21 13/15] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change Mark Brown
2026-10-01 16:41   ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 14/15] tools: Synchronise the kernel esr.h Mark Brown
2026-10-01 16:47   ` Lorenzo Stoakes (ARM) [this message]
2026-10-01 17:27     ` Mark Brown
2026-09-30 21:48 ` [PATCH v21 15/15] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test Mark Brown
2026-10-01 16:53   ` Lorenzo Stoakes (ARM)

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