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arm64/sve: Delay freeing memory in fpsimd_flush_thread()
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Thu, 5 May 2022 16:32:05 +0000 (18:32 +0200)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 16 May 2022 18:15:45 +0000 (19:15 +0100)
commita1259dd807192917eb98603f8bc7b43f70cea5b9
tree780ca2f8950d839bd188b920a72781a6baa433e4tree | snapshot
parentd158a0608eb85f29f98357b97d01b80250636613commit | diff
arm64/sve: Delay freeing memory in fpsimd_flush_thread()

fpsimd_flush_thread() invokes kfree() via sve_free()+sme_free() within a
preempt disabled section which is not working on -RT.

Delay freeing of memory until preemption is enabled again.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220505163207.85751-2-bigeasy@linutronix.de
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/fpsimd.c diff | blob | history
Domain: System / Kernel;