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Mon, 12 Feb 2024 20:18:40 +0000 (UTC) Date: Mon, 12 Feb 2024 21:18:40 +0100 From: Borislav Petkov To: "Naik, Avadhut" Cc: "Luck, Tony" , Yazen Ghannam , "Mehta, Sohil" , "x86@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Avadhut Naik Subject: Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool Message-ID: <20240212201840.GOZcp9IFKkmsRT0Sj9@fat_crate.local> References: <51255499-0b5d-45c6-9c72-f353bae83c0d@amd.com> <20240209200920.GFZcaGcOr757W9O3IG@fat_crate.local> <7a4945b0-322a-444e-a0ca-860a062a49c3@amd.com> <20240209205111.GGZcaQP1gb6C9m0WZB@fat_crate.local> <5DB0FF8D-C6DA-45DC-B287-201A9BF48BDA@alien8.de> <75ddf61d-8dda-47fa-9da0-24221feb22a2@amd.com> <20240211111455.GAZcisL09LeFPWa2EI@fat_crate.local> <1cf19ecf-4785-48c9-91ef-4ca3c965f568@amd.com> 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=utf-8 Content-Disposition: inline In-Reply-To: <1cf19ecf-4785-48c9-91ef-4ca3c965f568@amd.com> On Mon, Feb 12, 2024 at 01:40:21PM -0600, Naik, Avadhut wrote: > The spinlock is mostly held to prevent other primitives > from modifying chunks within the genpool. > > In #MC context however, we are not modifying the existing > chunks, per se. What if we decide to do mce[i]count++; in #MC context? That's modifying the existing chunks. TBH, I'm not sure what that spinlock is for. See my reply to that same subthread. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette