linux/scripts/atomic/gen-atomics.sh
Andrew Morton b50776ae01 locking/atomics: Don't assume that scripts are executable
patch(1) doesn't set the x bit on files.  So if someone downloads and
applies patch-4.21.xz, their kernel won't build.  Fix that by executing
/bin/sh.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-19 14:21:43 +02:00

21 lines
599 B
Bash

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate atomic headers
ATOMICDIR=$(dirname $0)
ATOMICTBL=${ATOMICDIR}/atomics.tbl
LINUXDIR=${ATOMICDIR}/../..
cat <<EOF |
gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
gen-atomic-long.sh asm-generic/atomic-long.h
gen-atomic-fallback.sh linux/atomic-fallback.h
EOF
while read script header; do
/bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} > ${LINUXDIR}/include/${header}
HASH="$(sha1sum ${LINUXDIR}/include/${header})"
HASH="${HASH%% *}"
printf "// %s\n" "${HASH}" >> ${LINUXDIR}/include/${header}
done