From: Peter Zijlstra <peterz@infradead.org>
To: openrisc@lists.librecores.org
Subject: [OpenRISC] [PATCH] openrisc: define mb() as its mandatory
Date: Sat, 7 Apr 2018 11:09:05 +0200 [thread overview]
Message-ID: <20180407090905.GQ4082@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180406205852.14821-1-shorne@gmail.com>
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 <shorne@gmail.com>
> Link: https://lkml.org/lkml/2018/1/31/254
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Will Deacon <will.deacon@arm.com>
> ---
>
> 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
reminder!
next prev parent reply other threads:[~2018-04-07 9:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-06 20:58 [OpenRISC] [PATCH] openrisc: define mb() as its mandatory Stafford Horne
2018-04-07 9:09 ` Peter Zijlstra [this message]
2018-04-08 0:07 ` Stafford Horne
2018-04-09 8:32 ` Peter Zijlstra
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