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[34.168.104.7]) by smtp.gmail.com with ESMTPSA id m6-20020a170902bb8600b00177f25f8ab3sm9143988pls.89.2023.02.07.08.50.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Feb 2023 08:50:41 -0800 (PST) Date: Tue, 7 Feb 2023 16:50:37 +0000 From: Sean Christopherson To: Thomas Gleixner Cc: "Woodhouse, David" , "usama.arif@bytedance.com" , "arjan@linux.intel.com" , "kvm@vger.kernel.org" , "dave.hansen@linux.intel.com" , "thomas.lendacky@amd.com" , "linux-kernel@vger.kernel.org" , "mingo@redhat.com" , "fam.zheng@bytedance.com" , "pbonzini@redhat.com" , "liangma@liangbit.com" , "pmenzel@molgen.mpg.de" , "mimoja@mimoja.de" , "hewenliang4@huawei.com" , "hpa@zytor.com" , "punit.agrawal@bytedance.com" , "simon.evans@bytedance.com" , "bp@alien8.de" , "paulmck@kernel.org" , "rcu@vger.kernel.org" , "x86@kernel.org" Subject: Re: [PATCH v6 04/11] x86/smpboot: Reference count on smpboot_setup_warm_reset_vector() Message-ID: References: <20230202215625.3248306-1-usama.arif@bytedance.com> <20230202215625.3248306-5-usama.arif@bytedance.com> <871qn2xsmf.ffs@tglx> <57195f701f6d1d70ec440c9a28cbee4cfb81dc41.camel@amazon.co.uk> <87sffhv8to.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87sffhv8to.ffs@tglx> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 07, 2023, Thomas Gleixner wrote: > On Tue, Feb 07 2023 at 09:49, David Woodhouse wrote: > > On Tue, 2023-02-07 at 00:48 +0100, Thomas Gleixner wrote: > >> Aside of the 'We' this does not explain anything at all. > > > > Er, doesn't it? > > > > We refcount the warm reset vector because when we do parallel bringup, > > we'll want to set it up once and then put it back to normal (for cold > > reset) once all the CPUs are up. > > > > I can rework the phrasing; I'm aware that the whole nonsense about > > pronouns and the imperative mood has grown legs in the last couple of > > years since I originally wrote it — but is there anything actually > > missing? > > We can settle the imperative mood debate over a beer at the next > conference, but stuff which goes through tip is required to follow those > rules. No exception for you :) While we're reforming David, same goes for KVM x86. :-)