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Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/microcode: Be more verbose, especially about loading errors Message-ID: <20231206195814.GDZXDSVgtCWspEJx8Q@fat_crate.local> References: <20231206172844.1756871-1-jannh@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20231206172844.1756871-1-jannh@google.com> X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email 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 (pete.vger.email [0.0.0.0]); Wed, 06 Dec 2023 11:58:40 -0800 (PST) On Wed, Dec 06, 2023 at 06:28:44PM +0100, Jann Horn wrote: > The AMD ucode loader contains several checks for corrupted ucode blobs that > only log with pr_debug(); make them pr_err(), corrupted ucode blobs are > bad. > > Also make both microcode loaders a bit more verbose about whether they > found ucode blobs at all and whether they found ucode for the specific CPU. So far, so good. The only thing I'm missing here is the *why*. There's merit in not complaining about corrupted microcode blobs because they won't be loaded anyway: no harm, no foul. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette