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Mon, 09 Nov 2026 10:25:12 -0800 (PST) Received: from localhost ([153.61.198.249]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b1678d4e49sm436923a91.8.2026.11.09.10.25.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Nov 2026 10:25:11 -0800 (PST) Content-Type: text/plain; charset=UTF-8 Date: Mon, 09 Nov 2026 18:25:11 +0000 Message-Id: To: "Tiezhu Yang" , "Vlastimil Babka" , "Harry Yoo" , "Andrew Morton" , "Hao Li" , "Christoph Lameter" , "David Rientjes" , "Roman Gushchin" Cc: , , , Subject: Re: [PATCH v2] mm/slub: Genericize x86-specific cmpxchg16b comment From: "Alexei Starovoitov" In-Reply-To: <20261109035906.10857-1-yangtiezhu@loongson.cn> References: <20261109035906.10857-1-yangtiezhu@loongson.cn> Content-Transfer-Encoding: 8bit X-Mailing-List: bpf@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Sun, Nov 08, 2026 at 07:59 PM Tiezhu Yang wrote: > atomic primitive is satisfied by different hardware implementations: > (1) arm64: satisfies it via LSE atomics ('casp' instruction) [...] > Update the comment to "double-width atomic cmpxchg", which provides the > following advantages: > (1) Accurately describes the cross-platform hardware invariant. You ignored Hao's point about shorter commit logs. I dropped all of your pending patches. pw-bot: cr