From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from s3.sipsolutions.net ([2a01:4f8:191:4433::2] helo=sipsolutions.net) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kdfZO-0004hH-H6 for linux-um@lists.infradead.org; Fri, 13 Nov 2020 20:21:19 +0000 Message-ID: <1477fcd6f088ca60926e6f7981920a3fee9b6bfa.camel@sipsolutions.net> Subject: Re: [PATCH] um: "borrow" cmpxchg from x86 tree in UML From: Johannes Berg Date: Fri, 13 Nov 2020 21:21:14 +0100 In-Reply-To: References: <20201113115437.14325-1-anton.ivanov@cambridgegreys.com> <934d3df1539e43b7cc4e7fa2a22d806215ed5b8c.camel@sipsolutions.net> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: Anton Ivanov , linux-um@lists.infradead.org Cc: richard@nod.at 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 _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um