mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
3c1885187b
Now that all architectures implement ARCH_ATOMIC, we can make it mandatory, removing the Kconfig symbol and logic for !ARCH_ATOMIC. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210525140232.53872-33-mark.rutland@arm.com
33 lines
733 B
Bash
Executable file
33 lines
733 B
Bash
Executable file
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Check if atomic headers are up-to-date
|
|
|
|
ATOMICDIR=$(dirname $0)
|
|
ATOMICTBL=${ATOMICDIR}/atomics.tbl
|
|
LINUXDIR=${ATOMICDIR}/../..
|
|
|
|
echo '' | sha1sum - > /dev/null 2>&1
|
|
if [ $? -ne 0 ]; then
|
|
printf "sha1sum not available, skipping atomic header checks.\n"
|
|
exit 0
|
|
fi
|
|
|
|
cat <<EOF |
|
|
asm-generic/atomic-instrumented.h
|
|
asm-generic/atomic-long.h
|
|
linux/atomic-arch-fallback.h
|
|
EOF
|
|
while read header; do
|
|
OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
|
|
OLDSUM="${OLDSUM#// }"
|
|
|
|
NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)"
|
|
NEWSUM="${NEWSUM%% *}"
|
|
|
|
if [ "${OLDSUM}" != "${NEWSUM}" ]; then
|
|
printf "warning: generated include/${header} has been modified.\n"
|
|
fi
|
|
done
|
|
|
|
exit 0
|