linux-kernel - [PATCH 05/23] ARM: ptrace: Use USER_REGSET_NOTE

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Message-Id: <20250701135616.29630-6-Dave.Martin@arm.com>
Date: Tue,  1 Jul 2025 14:55:58 +0100
From: Dave Martin <Dave.Martin@....com>
To: linux-kernel@...r.kernel.org
Cc: Russell King <linux@...linux.org.uk>,
	Oleg Nesterov <oleg@...hat.com>,
	Kees Cook <kees@...nel.org>,
	Akihiko Odaki <akihiko.odaki@...nix.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 05/23] ARM: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names

Instead of having the core code guess the note name for each regset,
use USER_REGSET_NOTE_TYPE() to pick the correct name from elf.h.

Signed-off-by: Dave Martin <Dave.Martin@....com>
Cc: Russell King <linux@...linux.org.uk>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Kees Cook <kees@...nel.org>
Cc: Akihiko Odaki <akihiko.odaki@...nix.com>
Cc: linux-arm-kernel@...ts.infradead.org
---
 arch/arm/kernel/ptrace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index c421a899fc84..7951b2c06fec 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -677,7 +677,7 @@ enum arm_regset {
 
 static const struct user_regset arm_regsets[] = {
 	[REGSET_GPR] = {
-		.core_note_type = NT_PRSTATUS,
+		USER_REGSET_NOTE_TYPE(PRSTATUS),
 		.n = ELF_NGREG,
 		.size = sizeof(u32),
 		.align = sizeof(u32),
@@ -689,7 +689,7 @@ static const struct user_regset arm_regsets[] = {
 		 * For the FPA regs in fpstate, the real fields are a mixture
 		 * of sizes, so pretend that the registers are word-sized:
 		 */
-		.core_note_type = NT_PRFPREG,
+		USER_REGSET_NOTE_TYPE(PRFPREG),
 		.n = sizeof(struct user_fp) / sizeof(u32),
 		.size = sizeof(u32),
 		.align = sizeof(u32),
@@ -702,7 +702,7 @@ static const struct user_regset arm_regsets[] = {
 		 * Pretend that the VFP regs are word-sized, since the FPSCR is
 		 * a single word dangling at the end of struct user_vfp:
 		 */
-		.core_note_type = NT_ARM_VFP,
+		USER_REGSET_NOTE_TYPE(ARM_VFP),
 		.n = ARM_VFPREGS_SIZE / sizeof(u32),
 		.size = sizeof(u32),
 		.align = sizeof(u32),
-- 
2.34.1