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h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MxMkUlSEMSyl400fcanujca9MerVDMrD+X4oLiAd/6QakFTQntELana5HEO7gRi5t XPEM85RdN1R3ZTnD/xvim7V6SOf2UZqnnggSVctyn4EfUhZzpcfNfStR3eD3uDNTo8 zMkbXlqd0+y59qG8qIzuHUI3csXqxDbSUIxGMUISLjL5ypbS7U0qJYx/hWBt6tcl9F ulIR9jO+8mNGR9T1zgyBFYI0PJA8q6N6vzOrhfDLY9YhGXFv5LFCK82qWijBGNJ67L fwuAB44t/3WlDi1dO/cxpa3c87H044QW4vqNNJyx1/Gy9bQC24JrJ1nkmHOJt188el jjGOjgbxXcdGw== Date: Tue, 4 Aug 2026 15:21:14 +0100 From: "Lorenzo Stoakes (ARM)" To: "David Hildenbrand (Arm)" Cc: "Christoph Lameter (Ampere)" , Mark Rutland , Yang Shi , Ryan Roberts , dennis@kernel.org, tj@kernel.org, urezki@gmail.com, catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Linus Torvalds , Jason Gunthorpe Subject: Re: [RFC v2 PATCH 0/16] Optimize this_cpu_*() ops for non-x86 (ARM64 for this series) Message-ID: References: <20260715180455.515692-1-yang@os.amperecomputing.com> <0344c559-1959-4531-9265-d5a5180eb7cd@arm.com> <25d1e09b-53e4-7cd5-87db-b58437e4e690@gentwo.org> <4887267b-dc26-4c33-96ca-8dff054a0d1f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Stat-Signature: 58zpr6k6ddquq1nez4r1agakmifhbdyx X-Rspamd-Queue-Id: 4336F1C0002 X-Rspamd-Server: rspam08 X-HE-Tag: 1785853294-738927 X-HE-Meta: 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 pclW2Ez9 5seF5VgzcfozqwENZTH4wvuhgeHq0Q5sI48gJUMxt88lz5Z9OdsuyJfIX68h3NiETFU+9YQ+phCALEKphLykddlqFSjKEaopzo8f+4r9Xe5nqc3C96W50/ZdZzMbeZNf+o9n85thwkSxPbd+oV65GkYFRe+eJI2J9OaFpNClsJJW8c0id9zuz3pc/Qtm/ejK1lL/YJUeD9a5bKZIj0MYXoFIPy7Q+l+82hnHD9Y+vBziKo6bflAeNz4+znj+FO7IWENAUbhEt+zPV2J/JtGNuqT1NrzKQmN9ejOiPxxcRoGsrrhAK9rdAAWTUmvVONrTDxgycLWrPeHK9awkkB53h9rj6nvmRpPSg3jSuXe7qj3wVfm38AE1ZnZik6uoqYVSHTXv6 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Aug 04, 2026 at 03:15:03PM +0100, Lorenzo Stoakes (ARM) wrote: > Since this work seems to be very much arm64-focused, perhaps it's therefore > worth looking at an alterative solution that's specific to the arch, like the > one suggested by Mark ([1])? Oh I hadn't realised Mark had already posted the series here: https://lore.kernel.org/all/20260728123859.2911495-1-mark.rutland@arm.com/ > [1]:https://lore.kernel.org/linux-arm-kernel/al_DpFJFcmVhxpvW@J2N7QTR9R3/ -- Cheers, Lorenzo