From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonid.Yegoshin@imgtec.com (Leonid Yegoshin) Date: Thu, 14 Jan 2016 12:12:53 -0800 Subject: [v3,11/41] mips: reuse asm-generic/barrier.h In-Reply-To: <20160114120445.GB15828@arm.com> References: <56945366.2090504@imgtec.com> <20160112092711.GP6344@twins.programming.kicks-ass.net> <20160112102555.GV6373@twins.programming.kicks-ass.net> <20160112104012.GW6373@twins.programming.kicks-ass.net> <20160112114111.GB15737@arm.com> <569565DA.2010903@imgtec.com> <20160113104516.GE25458@arm.com> <56969F4B.7070001@imgtec.com> <20160113204844.GV6357@twins.programming.kicks-ass.net> <5696BA6E.4070508@imgtec.com> <20160114120445.GB15828@arm.com> Message-ID: <56980145.5030901@imgtec.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/14/2016 04:04 AM, Will Deacon wrote: > Consequently, it's important that the architecture back-ends implement > these portable primitives (e.g. smp_mb()) in a way that satisfies the > kernel memory model so that core code doesn't need to worry about the > underlying architecture for synchronisation purposes. It seems you don't listen me. I said multiple times - MIPS implementation of SYNC_RMB/SYNC_WMB/SYNC_MB/SYNC_ACQUIRE/SYNC_RELEASE instructions matches the description of smp_rmb/smp_wmb/smp_mb/sync_acquire/sync_release from Documentation/memory-barriers.txt file. What else do you want from me - RTL or microArch design for that? - Leonid.