On Thu, 16 Jul 2020 12:28:16 +0100, Will Deacon wrote:
> Although mmiowb() is concerned only with serialising MMIO writes occuring
> in contexts where a spinlock is held, the call to mmiowb_set_pending()
> from the MMIO write accessors can occur in preemptible contexts, such
> as during driver probe() functions where ordering between CPUs is not
> usually a concern, assuming that the task migration path provides the
> necessary ordering guarantees.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
https://git.kernel.org/arm64/c/bd024e82e4cd
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
