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Thu, 27 Aug 2026 03:20:17 -0700 (PDT) Received: from google.com ([2a00:79e0:2031:6:ff0:ad84:24b0:9e52]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d70493f729sm15576855ad.2.2026.08.27.03.20.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 03:20:16 -0700 (PDT) Date: Thu, 27 Aug 2026 19:20:12 +0900 From: Sergey Senozhatsky To: Sergey Senozhatsky Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , x86@kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH] perf/x86/intel: downgrade alloc_bts_buffer() WARN() to pr_err() Message-ID: References: <20260827065529.3835720-1-senozhatsky@chromium.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On (26/08/27 15:59), Sergey Senozhatsky wrote: > On (26/08/27 15:55), Sergey Senozhatsky wrote: > > diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c > > index 8940f0292229..29c24b2925a7 100644 > > --- a/arch/x86/events/intel/ds.c > > +++ b/arch/x86/events/intel/ds.c > > @@ -918,7 +918,7 @@ static int alloc_bts_buffer(int cpu) > > > > buffer = dsalloc_pages(BTS_BUFFER_SIZE, GFP_KERNEL | __GFP_NOWARN, cpu); > > if (unlikely(!buffer)) { > > - WARN_ONCE(1, "%s: BTS buffer allocation failure\n", __func__); > > + pr_err_once(1, "%s: BTS buffer allocation failure\n", __func__); I guess also can just remove it altogether.