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SubjectRe: [PATCH] openrisc: define mb() as its mandatory
On Sat, Apr 07, 2018 at 05:58:49AM +0900, Stafford Horne wrote:
> Following Peter Z's patch ("asm-generic: Disallow no-op mb() for SMP
> systems") which makes mb() mandatory for SMP architectures we define it
> as l.msync. On OpenRISC this will flush the current cores write buffer
> and trigger remote cores to invalidate their caches of the written
> memory.
> Signed-off-by: Stafford Horne <>
> Link:
> Cc: Peter Zijlstra <>
> Cc: Will Deacon <>
> ---
> Notes:
> - Sorry, its been a while since we discussed this patch is the parent to this
> still going in Peter?

Oops.. yes it should. It seems I also lost track of it. Thanks for the

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