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authorRussell Currey <ruscur@russell.cc>2021-10-25 20:24:36 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2021-10-27 22:34:02 +1100
commitcb662608e546d755e3e1b51b30a269459323bf24 (patch)
tree54883c0503e4d246a08b5766a1bf69f9596d9f61 /tools/testing/selftests/powerpc
parent4a5cb51f3db4be547225a4bce7a43d41b231382b (diff)
downloadlinux-next-cb662608e546d755e3e1b51b30a269459323bf24.tar.gz
selftests/powerpc: Use date instead of EPOCHSECONDS in mitigation-patching.sh
The EPOCHSECONDS environment variable was added in bash 5.0 (released 2019). Some distributions of the "stable" and "long-term" variety ship older versions of bash than this, so swap to using the date command instead. "%s" was added to coreutils `date` in 1993 so we should be good, but who knows, it is a GNU extension and not part of the POSIX spec for `date`. Signed-off-by: Russell Currey <ruscur@russell.cc> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20211025102436.19177-1-ruscur@russell.cc
Diffstat (limited to 'tools/testing/selftests/powerpc')
-rwxr-xr-xtools/testing/selftests/powerpc/security/mitigation-patching.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/powerpc/security/mitigation-patching.sh b/tools/testing/selftests/powerpc/security/mitigation-patching.sh
index 00197acb7ff1..b0b20e0b4e30 100755
--- a/tools/testing/selftests/powerpc/security/mitigation-patching.sh
+++ b/tools/testing/selftests/powerpc/security/mitigation-patching.sh
@@ -13,7 +13,7 @@ function do_one
orig=$(cat "$mitigation")
- start=$EPOCHSECONDS
+ start=$(date +%s)
now=$start
while [[ $((now-start)) -lt "$TIMEOUT" ]]
@@ -21,7 +21,7 @@ function do_one
echo 0 > "$mitigation"
echo 1 > "$mitigation"
- now=$EPOCHSECONDS
+ now=$(date +%s)
done
echo "$orig" > "$mitigation"