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[31.46.243.229]) by smtp.gmail.com with ESMTPSA id be27-20020a0564021a3b00b0056650031d94sm6713057edb.90.2024.03.06.01.16.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Mar 2024 01:16:56 -0800 (PST) Sender: Ingo Molnar Date: Wed, 6 Mar 2024 10:16:54 +0100 From: Ingo Molnar To: Tetsuo Handa Cc: LKML , the arch/x86 maintainers , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Linus Torvalds Subject: Re: [PATCH v2] x86: disable non-instrumented version of copy_mc when KMSAN is enabled Message-ID: References: <3b7dbd88-0861-4638-b2d2-911c97a4cadf@I-love.SAKURA.ne.jp> <06c11112-db64-40ed-bb96-fa02b590a432@I-love.SAKURA.ne.jp> Precedence: bulk X-Mailing-List: linux-kernel@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: <06c11112-db64-40ed-bb96-fa02b590a432@I-love.SAKURA.ne.jp> * Tetsuo Handa wrote: > Ping? > > This is current top crasher. > I hope this patch is applied before the merge window opens. 1) A false positive is not a 'crasher', it's a bug in instrumentation. 2) A false positive in intrusive instrumentation that top distributions do not enable in their kernels has no immediate relevance to the timing of the merge window. Thanks, Ingo