[PATCH 21/23] um: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names

Dave Martin Dave.Martin at arm.com
Tue Jul 1 06:56:14 PDT 2025


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 at arm.com>
Cc: Richard Weinberger <richard at nod.at>
Cc: Anton Ivanov <anton.ivanov at cambridgegreys.com>
Cc: Johannes Berg <johannes at sipsolutions.net>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Borislav Petkov <bp at alien8.de>
Cc: Dave Hansen <dave.hansen at linux.intel.com>
Cc: "H. Peter Anvin" <hpa at zytor.com>
Cc: Oleg Nesterov <oleg at redhat.com>
Cc: Kees Cook <kees at kernel.org>
Cc: Akihiko Odaki <akihiko.odaki at daynix.com>
Cc: linux-um at lists.infradead.org
Cc: x86 at kernel.org
---
 arch/x86/um/ptrace.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/um/ptrace.c b/arch/x86/um/ptrace.c
index 3275870330fe..c982ab7103f1 100644
--- a/arch/x86/um/ptrace.c
+++ b/arch/x86/um/ptrace.c
@@ -236,7 +236,7 @@ static int generic_fpregs_set(struct task_struct *target,
 
 static struct user_regset uml_regsets[] __ro_after_init = {
 	[REGSET_GENERAL] = {
-		.core_note_type	= NT_PRSTATUS,
+		USER_REGSET_NOTE_TYPE(PRSTATUS),
 		.n		= sizeof(struct user_regs_struct) / sizeof(long),
 		.size		= sizeof(long),
 		.align		= sizeof(long),
@@ -246,7 +246,7 @@ static struct user_regset uml_regsets[] __ro_after_init = {
 #ifdef CONFIG_X86_32
 	/* Old FP registers, they are needed in signal frames */
 	[REGSET_FP_LEGACY] = {
-		.core_note_type	= NT_PRFPREG,
+		USER_REGSET_NOTE_TYPE(PRFPREG),
 		.n		= sizeof(struct user_i387_ia32_struct) / sizeof(long),
 		.size		= sizeof(long),
 		.align		= sizeof(long),
@@ -257,10 +257,10 @@ static struct user_regset uml_regsets[] __ro_after_init = {
 #endif
 	[REGSET_FP] = {
 #ifdef CONFIG_X86_32
-		.core_note_type	= NT_PRXFPREG,
+		USER_REGSET_NOTE_TYPE(PRXFPREG),
 		.n		= sizeof(struct user32_fxsr_struct) / sizeof(long),
 #else
-		.core_note_type	= NT_PRFPREG,
+		USER_REGSET_NOTE_TYPE(PRFPREG),
 		.n		= sizeof(struct user_i387_struct) / sizeof(long),
 #endif
 		.size		= sizeof(long),
@@ -270,7 +270,7 @@ static struct user_regset uml_regsets[] __ro_after_init = {
 		.set		= generic_fpregs_set,
 	},
 	[REGSET_XSTATE] = {
-		.core_note_type	= NT_X86_XSTATE,
+		USER_REGSET_NOTE_TYPE(X86_XSTATE),
 		.size		= sizeof(long),
 		.align		= sizeof(long),
 		.active		= generic_fpregs_active,
-- 
2.34.1




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