[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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