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Ignore non-existing CP15 barrier instructions emulation (#3285)

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CP15 barrier instruction emulation only exists on arm64 architecture.
Avoid sysctl writing an error to the journal when the setting doesn't
exist by prepending a dash.

(cherry picked from commit 889b561ca19b56fdfadefc8129e3d1985b4841f3)
This commit is contained in:
Stefan Agner 2024-04-04 00:33:45 +02:00 committed by Jan Čermák
parent 7a69678505
commit 7166a83998
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1 changed files with 1 additions and 1 deletions
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buildroot-external/rootfs-overlay/etc/sysctl.d/30-cp15barrier.conf
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@ -1,3 +1,3 @@
# disable "deprecated CP15 Barrier instruction" warnings
# https://www.kernel.org/doc/Documentation/arm64/legacy_instructions.txt
abi.cp15_barrier = 2
-abi.cp15_barrier = 2