Revision 547cc9be86f4c51c51fd429ace6c2e1ef9050d15 authored by Linus Torvalds on 25 June 2023, 17:13:17 UTC, committed by Linus Torvalds on 25 June 2023, 17:13:17 UTC
Pull perf fixes from Borislav Petkov: - Drop the __weak attribute from a function prototype as it otherwise leads to the function getting replaced by a dummy stub - Fix the umask value setup of the frontend event as former is different on two Intel cores * tag 'perf_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix the FRONTEND encoding on GNR and MTL perf/core: Drop __weak attribute from arch_perf_update_userpage() prototype
relocs_check.sh
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Get a list of all the relocations, remove from it the relocations
# that are known to be legitimate and return this list to arch specific
# script that will look for suspicious relocations.
objdump="$1"
nm="$2"
vmlinux="$3"
# Remove from the possible bad relocations those that match an undefined
# weak symbol which will result in an absolute relocation to 0.
# Weak unresolved symbols are of that form in nm output:
# " w _binary__btf_vmlinux_bin_end"
undef_weak_symbols=$($nm "$vmlinux" | awk '$1 ~ /w/ { print $2 }')
$objdump -R "$vmlinux" |
grep -E '\<R_' |
([ "$undef_weak_symbols" ] && grep -F -w -v "$undef_weak_symbols" || cat)
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