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[34.168.104.7]) by smtp.gmail.com with ESMTPSA id ij17-20020a170902ab5100b00178143a728esm1121159plb.275.2022.11.03.16.15.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Nov 2022 16:15:39 -0700 (PDT) Date: Thu, 3 Nov 2022 23:15:35 +0000 From: Sean Christopherson To: Hao Peng Cc: pbonzini@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH v2] kvm: x86: Keep the lock order consistent Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,FSL_HELO_FAKE,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nit, capitalize KVM in the shortlog, i.e. "KVM: x86:". On Mon, Oct 31, 2022, Hao Peng wrote: > From: Peng Hao > > Acquire SRCU before taking the gpc spinlock in wait_pending_event() so as > to be consistent with all other functions that acquire both locks. It's > not illegal to acquire SRCU inside a spinlock, nor is there deadlock > potential, but in general it's preferable to order locks from least > restrictive to most restrictive, e.g. if wait_pending_event() needed to > sleep for whatever reason, it could do so while holding SRCU, but would > need to drop the spinlock. Extra whitespace at the beginning of each line should be deleted. > Thanks Sean Christopherson for the comment. > > Signed-off-by: Peng Hao > --- Nits aside, Reviewed-by: Sean Christopherson