On Fri, 30 Nov 2018 at 18:34, Will Deacon wrote:
>
> The asm-generic/preempt.h implementation doesn't make use of the
> PREEMPT_NEED_RESCHED flag, since this can interact badly with load/store
> architectures which rely on the preempt_count word being unchanged across
> an interrupt.
>
> However,
On Fri, 30 Nov 2018 at 18:34, Will Deacon wrote:
>
> The asm-generic/preempt.h implementation doesn't make use of the
> PREEMPT_NEED_RESCHED flag, since this can interact badly with load/store
> architectures which rely on the preempt_count word being unchanged across
> an interrupt.
>
> However,
The asm-generic/preempt.h implementation doesn't make use of the
PREEMPT_NEED_RESCHED flag, since this can interact badly with load/store
architectures which rely on the preempt_count word being unchanged across
an interrupt.
However, since we're a 64-bit architecture and the preempt count is
The asm-generic/preempt.h implementation doesn't make use of the
PREEMPT_NEED_RESCHED flag, since this can interact badly with load/store
architectures which rely on the preempt_count word being unchanged across
an interrupt.
However, since we're a 64-bit architecture and the preempt count is
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