[PATCH 01/10] um: Split out default elf_aux_platform

Thomas Weißschuh linux at weissschuh.net
Tue Oct 28 02:15:36 PDT 2025


Setting all auxiliary vector values to default values if one of them
was not provided by the host will discard perfectly fine values.

Move the elf_aux_platform fallback to its own conditional.

Signed-off-by: Thomas Weißschuh <linux at weissschuh.net>
---
 arch/um/os-Linux/elf_aux.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 0a0f91cf4d6d..a62fe39e85c9 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -62,14 +62,16 @@ __init void scan_elf_aux( char **envp)
 		}
 	}
 	if ( ! __kernel_vsyscall || ! vsyscall_ehdr ||
-	     ! elf_aux_hwcap || ! elf_aux_platform ||
+	     ! elf_aux_hwcap ||
 	     ! page_size || (vsyscall_ehdr % page_size) ) {
 		__kernel_vsyscall = 0;
 		vsyscall_ehdr = 0;
 		elf_aux_hwcap = 0;
-		elf_aux_platform = "i586";
 	}
 	else {
 		vsyscall_end = vsyscall_ehdr + page_size;
 	}
+
+	if (!elf_aux_platform)
+		elf_aux_platform = "i586";
 }

-- 
2.51.1.dirty




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