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[2a03:2880:31ff::face:b00c]) by smtp.gmail.com with ESMTPSA id d16-20020aa7d690000000b0052a3aa50d72sm684159edr.40.2023.09.14.02.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Sep 2023 02:30:45 -0700 (PDT) Date: Thu, 14 Sep 2023 02:30:43 -0700 From: Breno Leitao To: Peter Zijlstra Cc: Sandipan Das , Jirka Hladky , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , leit@fb.com, dcostantino@meta.com, "open list:PERFORMANCE EVENTS SUBSYSTEM" , "open list:PERFORMANCE EVENTS SUBSYSTEM" Subject: Re: [PATCH] perf/x86/amd: Do not WARN on every IRQ Message-ID: References: <20230616115316.3652155-1-leitao@debian.org> <20230616132954.GG4253@hirez.programming.kicks-ass.net> <20230914091234.GE16631@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230914091234.GE16631@noisy.programming.kicks-ass.net> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 14 Sep 2023 02:31:05 -0700 (PDT) X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email On Thu, Sep 14, 2023 at 11:12:34AM +0200, Peter Zijlstra wrote: > On Thu, Sep 14, 2023 at 02:25:40PM +0530, Sandipan Das wrote: > > I agree with using WARN_ON_ONCE() to make this less intrusive. > > Could you send a patch that AMD is happy with? Why the current patch is not good enough?