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smtp.corp.redhat.com (Postfix) with ESMTP id A80792904; Wed, 13 Sep 2023 13:06:37 +0000 (UTC) Message-ID: <0ea8d0e7-6447-3a60-8cf4-d6a4e89fa8be@redhat.com> Date: Wed, 13 Sep 2023 09:06:37 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH V11 04/17] locking/qspinlock: Improve xchg_tail for number of cpus >= 16k Content-Language: en-US To: Guo Ren , Leonardo Bras Cc: paul.walmsley@sifive.com, anup@brainfault.org, peterz@infradead.org, mingo@redhat.com, will@kernel.org, palmer@rivosinc.com, boqun.feng@gmail.com, tglx@linutronix.de, paulmck@kernel.org, rostedt@goodmis.org, rdunlap@infradead.org, catalin.marinas@arm.com, conor.dooley@microchip.com, xiaoguang.xing@sophgo.com, bjorn@rivosinc.com, alexghiti@rivosinc.com, keescook@chromium.org, greentime.hu@sifive.com, ajones@ventanamicro.com, jszhang@kernel.org, wefu@redhat.com, wuwei2016@iscas.ac.cn, linux-arch@vger.kernel.org, linux-riscv@lists.infradead.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-csky@vger.kernel.org, Guo Ren References: <20230910082911.3378782-1-guoren@kernel.org> <20230910082911.3378782-5-guoren@kernel.org> <06714da1-d566-766f-7a13-a3c93b5953c4@redhat.com> From: Waiman Long In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230913_060648_932441_08E4891C X-CRM114-Status: GOOD ( 21.72 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gOS8xMy8yMyAwODo1MiwgR3VvIFJlbiB3cm90ZToKPiBPbiBXZWQsIFNlcCAxMywgMjAyMyBh 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