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um: Split out default elf_aux_platform

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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@weissschuh.net>
Link: https://patch.msgid.link/20251028-uml-remove-32bit-pseudo-vdso-v1-1-e930063eff5f@weissschuh.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Weißschuh 2025-10-28 10:15:36 +01:00 committed by Johannes Berg
parent 8e03c195cc
commit 74d438872d
1 changed files with 4 additions and 2 deletions
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6
arch/um/os-Linux/elf_aux.c
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@ -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";
}