Messages in this thread | | | Date | Mon, 9 Jul 2018 11:40:41 +0100 | From | Dave Martin <> | Subject | Re: [PATCH] arm64: neon: Add preemption protection for kernel_neon_busy |
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On Mon, Jul 09, 2018 at 04:45:35PM +0800, Yandong.Zhao wrote: > From: Yandong Zhao <yandong77520@gmail.com> > > may_use_simd() can be called in any case and access kernel_neon_busy, > for example: BUG_ON(!may_use_simd()). This patch ensures that > migration will not occur during program access to kernel_neon_busy. > > Signed-off-by: Yandong Zhao <yandong77520@gmail.com>
(Duplicate patch, see [1] for discussion.)
[...]
Cheers ---Dave
[1] [PATCH] arm64: neon: Do not access kernel_neon_busy with preemption enabled http://lists.infradead.org/pipermail/linux-arm-kernel/2018-July/589259.html
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