From: Johannes Berg <johannes@sipsolutions.net>
To: Anton Ivanov <anton.ivanov@cambridgegreys.com>,
linux-um@lists.infradead.org
Cc: richard@nod.at
Subject: Re: [PATCH] um: "borrow" cmpxchg from x86 tree in UML
Date: Fri, 13 Nov 2020 21:21:14 +0100 [thread overview]
Message-ID: <1477fcd6f088ca60926e6f7981920a3fee9b6bfa.camel@sipsolutions.net> (raw)
In-Reply-To: <a7f8c21f-2ef2-aea8-3dd5-32f441267e86@cambridgegreys.com>
On Fri, 2020-11-13 at 17:50 +0000, Anton Ivanov wrote:
> On 13/11/2020 15:58, Johannes Berg wrote:
> > On Fri, 2020-11-13 at 13:48 +0000, Anton Ivanov wrote:
> > > I think that was it. Or to be more exact, I hope that was it.
> > >
> > > I went a few times through asm-generic and that looks like all the
> > > bits which are worth implementing for a uniprocessor architecture as a
> > > replacement for their generic equivalents.
> > It seems that word-at-a-time.h with CONFIG_DCACHE_WORD_ACCESS might
> > be worthwhile as well?
>
> I tried it. It had some references to exception handling which are not
> present in UML so I dropped it for now.
Oh, right ... I played with that once for something else and couldn't
figure out how to port it. Oh well.
johannes
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next prev parent reply other threads:[~2020-11-13 20:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 11:54 [PATCH] um: "borrow" cmpxchg from x86 tree in UML anton.ivanov
2020-11-13 13:48 ` Anton Ivanov
2020-11-13 15:58 ` Johannes Berg
2020-11-13 17:50 ` Anton Ivanov
2020-11-13 20:21 ` Johannes Berg [this message]
2020-11-13 21:41 ` Anton Ivanov
2020-11-16 14:41 ` Anton Ivanov
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