[PATCH 02/10] x86/um: Move ELF_PLATFORM fallback to x86-specific code

Thomas Weißschuh linux at weissschuh.net
Tue Oct 28 02:15:37 PDT 2025


The generic UM code should not have references to x86-specific value.

Move the fallback into the x86-specific header.

Signed-off-by: Thomas Weißschuh <linux at weissschuh.net>
---
 arch/um/os-Linux/elf_aux.c | 3 ---
 arch/x86/um/asm/elf.h      | 3 ++-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index a62fe39e85c9..4aadb9ea5ae3 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -71,7 +71,4 @@ __init void scan_elf_aux( char **envp)
 	else {
 		vsyscall_end = vsyscall_ehdr + page_size;
 	}
-
-	if (!elf_aux_platform)
-		elf_aux_platform = "i586";
 }
diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index 62ed5d68a978..e7a045e01471 100644
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -69,7 +69,8 @@
 } while (0);
 
 extern char * elf_aux_platform;
-#define ELF_PLATFORM (elf_aux_platform)
+#define ELF_PLATFORM_FALLBACK "i586"
+#define ELF_PLATFORM (elf_aux_platform ?: ELF_PLATFORM_FALLBACK)
 
 extern unsigned long vsyscall_ehdr;
 extern unsigned long vsyscall_end;

-- 
2.51.1.dirty




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