From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 76AD328F944 for ; Tue, 22 Apr 2025 19:51:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745351485; cv=none; b=ZIUDimOp5Mo8T2ukuh/2gPRnvtdHISOTkW3/jOOetkGqmiqrzKLhjIFbq49z9o+/4pasphpBCVFar3H4HMh9Z2IQFg6Q6K5GXYgEWDDcm+QXc0SJT84gD2eeNpXtscjYWJHjTaLqc6QcKwIWFhVbQPrPku2gRojhm0LA+82IBH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745351485; c=relaxed/simple; bh=G+t2v6BhLb+5vWztzdpssgwdNSlTOk90KThSVmnEfpo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=GfRpcQCTG+IG/51UFuI9D/Bl35TgvhUDkshiHRGFms3wNv9UIhWy2sQvyR9BzrLjNGu8NNfQ28r9ptKzqeqfRtFKjagh5FWKwx3C8p51osMzqTPCpbyY+yDu3cJJGBrM5s1qScSqFCszzJO1+6egfvbvz78op1BdPpZTKm78dRI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=sEsuM4T/; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="sEsuM4T/" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2ff6aaa18e8so4868469a91.1 for ; Tue, 22 Apr 2025 12:51:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1745351483; x=1745956283; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=mH6UGx1+cJUt0+vdtDYj5GNgwh2+pJEonMo7kApLLOI=; b=sEsuM4T/6AiEfbcv6LEBX9nIBDT+43JI3MKdo3iKnkO2YqI70DcND2IDwLROe9Q4D5 GArSdE4crjfrbQKmyHy1Els5AUgocKZZBhQ4ePOShvuMia5QfeqWQImCd0ooUy3J7eaq uQ6iKaiB9W6Oab+GGxn3MZLM2zo9IQaI7BW1VoDi98zqEoGP3JMAMBj5PRaUmpBLWtRo mjh4DGwfQSGSsttkwj1ptnNcpnPTSEHYTK8QeWv5i016xI7jxtl9m17cB/A22/f5mrtk Q0lgI2Pwnlfgiq4aj2EbhSZVbFNZn+LTprUdDBVTDrYPrI9CfkqS4laNY2dRY2mAg8i+ vevA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745351483; x=1745956283; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mH6UGx1+cJUt0+vdtDYj5GNgwh2+pJEonMo7kApLLOI=; b=CYNWZfA4/eOEKj9myib2dPK7p+9gWlNMb7gaqPYO96Bhx2GQVbhyU+cnXHx7Sh2gmi G7za0ZKFN0/XtICHiiSSJ756YE7FGwY2/IGl6alBJUT/EVq5HUlZ5bPiEI16/aY7KFZi rAO7IUd6IMwVJ0XdJlY3sPC/nCM6RfpBBQiz2PhbuVMWQ9npy82E9Izmmnv4CQ2Y4pQ3 c0YJFgF8BbzTWCq2vWcpKcrtW/A1jcM9Zls2F9oKgKxCD1mji1IxD5j8BvCiZVprb4jv HrK52tV+uOtlq5IA9Agl4eGFE9Oab/jucJoueLZ68aOusfar0KD7YR//XDMjz/iq4K2w p5pQ== X-Forwarded-Encrypted: i=1; AJvYcCU19AWYaRT7A+5C+bGYyfd3e4wDTpCFk7hZqNFLEDO81EbZE9ztjdRRr5gLkcEbYBELfxI=@vger.kernel.org X-Gm-Message-State: AOJu0YwTgZ8zXYAGuaCfLXj9FIwzRXWYSTLsnlq1mZ96JDa7WDskM5zh KgokwzfUDVc9Vr+CsHazcmsJEZDAwKh1BaaYBI6bwTr3ZQ6bYcvw3arAPoBoC3ek3mKy/QK6M/Z SMA== 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: kvm@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.