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SubjectRe: [PATCH] asm-generic: introduce io_stop_wc() and add implementation for ARM64
On Wed, Dec 22, 2021 at 01:08:15AM -0800, Christoph Hellwig wrote:
> So what is going to use this?

There was a series about 6 months ago making use of the new DGH arm64
instruction in a network driver:

https://lore.kernel.org/r/1627614864-50824-1-git-send-email-huangguangbin2@huawei.com

We bike-shedded on the name of the macro since (now settled on
io_stop_wc()) and there wasn't much point in carrying the rest of the
patches. I assume the driver changes will go in via their normal route
once the macro above is merged.

--
Catalin

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