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(parent: d146870) | patch
arm64: ensure CPU clock retrieval issues isb()
authorJens Axboe <axboe@kernel.dk>
Thu, 22 Sep 2022 16:03:51 +0000 (10:03 -0600)
committerJens Axboe <axboe@kernel.dk>
Thu, 22 Sep 2022 16:03:51 +0000 (10:03 -0600)
commit0574e8c3b2b47e1e2564c2f50ea0b6f2629f2e48
treeff3fa05199b77eafb40944ad8128b7042ab0bd44tree | snapshot
parentd14687025c0c61d047e4252036d1b024d62cb0a6commit | diff
arm64: ensure CPU clock retrieval issues isb()

This prevents counter value speculation, which will otherwise cause
issues with the CPU clock.

Link: https://github.com/axboe/fio/issues/1472
Signed-off-by: Jens Axboe <axboe@kernel.dk>
arch/arch-aarch64.h diff | blob | blame | history
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