linux-kernel - [PATCH 09/10] x86/um: Remove FIXADDR_USER_START and FIXADDR_USE

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Message-Id: <20251028-uml-remove-32bit-pseudo-vdso-v1-9-e930063eff5f@weissschuh.net>
Date: Tue, 28 Oct 2025 10:15:44 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Richard Weinberger <richard@....at>, 
 Anton Ivanov <anton.ivanov@...bridgegreys.com>, 
 Johannes Berg <johannes@...solutions.net>, 
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, 
 x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, 
 Kees Cook <kees@...nel.org>
Cc: linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-mm@...ck.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 09/10] x86/um: Remove FIXADDR_USER_START and
 FIXADDR_USE_END

There are no users left.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 arch/x86/um/asm/elf.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index 8d7df4684c38..fdd5a612f678 100644
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -72,10 +72,6 @@ extern char * elf_aux_platform;
 #define ELF_PLATFORM_FALLBACK "i586"
 #define ELF_PLATFORM (elf_aux_platform ?: ELF_PLATFORM_FALLBACK)

-/* No user-accessible fixmap addresses, i.e. vsyscall */
-#define FIXADDR_USER_START      0
-#define FIXADDR_USER_END        0
-
 #else

 /* x86-64 relocation types, taken from asm-x86_64/elf.h */
@@ -157,10 +153,6 @@ extern char * elf_aux_platform;

 #define ELF_PLATFORM "x86_64"

-/* No user-accessible fixmap addresses, i.e. vsyscall */
-#define FIXADDR_USER_START      0
-#define FIXADDR_USER_END        0
-
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 struct linux_binprm;
 extern int arch_setup_additional_pages(struct linux_binprm *bprm,

-- 
2.51.1.dirty