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AJvYcCVVC+oRFoToy54pQ6o5DBANyxOKSxNmVtjBAON4JsJ8R5fXu8vpwJLNUjC/4YMkwvPAgZajN4qbDgR1@vger.kernel.org X-Gm-Message-State: AOJu0Yz+sfai0pEHuaP5KRaGXKMOIbwN176BgA6tqpcNhdAfNQzpyUG9 8HzDH6oQBGxyi/n2/rhZuKv6VSBTYULLoxLo5kGr9wqeJDuOYz6oEotk1owO3m6b9Ck+HuFj/sX 7bQ== X-Google-Smtp-Source: AGHT+IGkV0RcloCvNwgssDSlkXsqRo5n8/rzSZ0U6QUVt02K3Nbge8IReH8D+uHUWVsCRD28uFY//07FCPo= X-Received: from pjbsr7.prod.google.com ([2002:a17:90b:4e87:b0:301:2679:9d9]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:4b90:b0:2ee:bc7b:9237 with SMTP id 98e67ed59e1d1-3087bb9ede2mr21004314a91.27.1745351482796; Tue, 22 Apr 2025 12:51:22 -0700 (PDT) Date: Tue, 22 Apr 2025 12:51:21 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250422082216.1954310-1-xin@zytor.com> Message-ID: Subject: Re: [RFC PATCH v2 00/34] MSR refactor with new MSR instructions support From: Sean Christopherson To: Ingo Molnar Cc: Tony Luck , Xin Li , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-perf-users@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "virtualization@lists.linux.dev" , "linux-pm@vger.kernel.org" , "linux-edac@vger.kernel.org" , "xen-devel@lists.xenproject.org" , "linux-acpi@vger.kernel.org" , "linux-hwmon@vger.kernel.org" , "netdev@vger.kernel.org" , "platform-driver-x86@vger.kernel.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "acme@kernel.org" , "jgross@suse.com" , "andrew.cooper3@citrix.com" , "peterz@infradead.org" , "namhyung@kernel.org" , "mark.rutland@arm.com" , "alexander.shishkin@linux.intel.com" , "jolsa@kernel.org" , "irogers@google.com" , Adrian Hunter , "kan.liang@linux.intel.com" , "wei.liu@kernel.org" , "ajay.kaher@broadcom.com" , "bcm-kernel-feedback-list@broadcom.com" , "pbonzini@redhat.com" , "vkuznets@redhat.com" , "luto@kernel.org" , Boris Ostrovsky , "kys@microsoft.com" , "haiyangz@microsoft.com" , Dexuan Cui Content-Type: text/plain; charset="us-ascii" On Tue, Apr 22, 2025, Ingo Molnar wrote: > > * Luck, Tony wrote: > > > > >> base-commit: f30a0c0d2b08b355c01392538de8fc872387cb2b > > > > > > > > This commit doesn't exist in Linus' tree or the tip tree, and the series doesn't > > > > apply cleanly on any of the "obvious" choices. Reviewing a 34 patches series > > > > without being able to apply it is a wee bit difficult... > > > > > > > > > > $ git show f30a0c0d2b08b355c01392538de8fc872387cb2b > > > commit f30a0c0d2b08b355c01392538de8fc872387cb2b > > > Merge: 49b517e68cf7 e396dd85172c > > > Author: Ingo Molnar > > > Date: Tue Apr 22 08:37:32 2025 +0200 > > > > > > Merge branch into tip/master: 'x86/sev' > > > > > > # New commits in x86/sev: > > > e396dd85172c ("x86/sev: Register tpm-svsm platform device") > > > 93b7c6b3ce91 ("tpm: Add SNP SVSM vTPM driver") > > > b2849b072366 ("svsm: Add header with SVSM_VTPM_CMD helpers") > > > 770de678bc28 ("x86/sev: Add SVSM vTPM probe/send_command > > > functions") > > > > > > Signed-off-by: Ingo Molnar > > > > > > > > > You probably need to git pull from the tip tree :-) > > > > If possible, you should avoid basing a series on tip/master as it > > gets recreated frequently by merging all the topic branches. The SHA1 > > is here today, gone tomorrow. > > Correct, although for x86 patch submissions via email it's not wrong: > what applies today will likely apply tomorrow as well, regardless of > the SHA1 change. :-) Yeah, but as Tony pointed out, when using base commit that may be ephemeral, then the cover letter needs to call out the tree+branch. This series applies on the current tip/master, but there was nothing to clue me into that fact.