From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 4A5CA347506 for ; Fri, 29 May 2026 15:10:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067431; cv=none; b=cB8APrUm7u7HCfHsHJ3Kpm6AT18PRb+VAULn7W7GJsUwDRNB9i4NFK5No/3IAJ8rU5v23HQ4VrLYqqh2m0k6+iWPoKtQgGlWmajGcFvO55zZqWsDdemYj3pNKXYB1vAn5DIvj3nwlMIAiTwcQJekWLr2Ig6vsmgASInu9iV8Gbs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067431; c=relaxed/simple; bh=V/hxOsVp4piMpArHe7ioxetvdl4y0PTvTNEBx/lxH1A=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=l/SAlr0vVc3kcRn7TGFNBpJdGzOs1y+PLDC61H2JnkBu4hqJ5aAuXEcqW5vBKLUfSpG6tCozdp+vn/pwq1P4v+vGr/0l75amnnYpePoKyIlEsqr4z0q/1bHr1Bzyfpu66BmV53074JU8Tg+Xj9wcs2NsNLe9X/Z3uvcveqkGCcM= 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=S1BF00MA; arc=none smtp.client-ip=209.85.214.202 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="S1BF00MA" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2bd6cc53fd6so146281335ad.3 for ; Fri, 29 May 2026 08:10:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780067430; x=1780672230; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=Q3KwUKexhBMnhxMu/5zzl7QcY3Y917Dhb3kMyW4ALaw=; b=S1BF00MAfBUTQf7qcsd6AMFOb+PrVfa6HVL6abPpR7ZjsyvYMoNZ87O5gRi5HO9nVL bjk8cqO1pvRxknbE6XjkmzDHSnk1EBu1JSdm+APVspJPSBf000PEZaIwgJMmkz6WQVJm 0G+QAPLNwauQO9cguQ44LVL/qNonf7oEMO0FidDlVFn6RTDqg+3ZYrPyuzOXErkt/X3f tGml/NH6JwpcBfUZaLTu/+GcduB+6f1e8omP1znV7RXgCkrsq0x0C4fVUcPcu4dw4inV O8jGW7Ev/MVQHXRwAW2nln/A9HgbtvYs6bts9Ztmzt2cZBmK9ey9Iq2jKUUvyIxlbEYT 1ctg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780067430; x=1780672230; h=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=Q3KwUKexhBMnhxMu/5zzl7QcY3Y917Dhb3kMyW4ALaw=; b=QbBj3Dh10G6d02bab2E9VOt1ZmU/ZvpAw1f+zleJe9XUZCDvnkMDJ3SFIP6XgzGZX1 RqxWx4VwxriNp653y+3QJCZ73TxOX6btipAA21vNmvw7/BvsFHyAtm+kPaSw075DyQIe A1yQjyWMDo5kD+W44/D8pMIqjhhJN7VqV8fovb0r/DVSliMMkPK7dbGanow+3zeQNtZS 0yM3A3qzGsjEOQAYHcEl0kVJpuwHALqVcQMMNcE0JSEpP5NxzvJEMKqFAkb7jFCA3SL3 sHo2wiFkMVeXUNtZslMutpGxscB53AiLUxx/b4BNbz0pt8Rx/izVhZ4LX37kT9dCJusB aj9g== X-Forwarded-Encrypted: i=1; AFNElJ8ezX/l2vTh2srm3vgpNXQCHIPpaNdmUPSuDQrokNTC9iKcAc9lUrNXRt9ZASZy63aOaqY=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1oEwtFmg6tNFH8kmsUBMsr+/mnBh18XnjggEWZJEORIWFGMkb JddaNmPawXQNXlNGLf+ba4jwLOMBoDCAHjwjGcSyo4AbGP3zXUaJPwT3L93HLwPohZxLzuehX6W pbXoEfg== X-Received: from plpo14.prod.google.com ([2002:a17:903:3e0e:b0:2bf:19e3:ff16]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1b64:b0:2b7:aa20:3c61 with SMTP id d9443c01a7336-2bf36858f5bmr2472455ad.33.1780067429457; Fri, 29 May 2026 08:10:29 -0700 (PDT) Date: Fri, 29 May 2026 08:10:28 -0700 In-Reply-To: <20260529144435.704127-1-seanjc@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260529144435.704127-1-seanjc@google.com> Message-ID: Subject: Re: [PATCH v4 00/47] x86: Try to wrangle PV clocks vs. TSC From: Sean Christopherson To: Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Kiryl Shutsemau , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Ajay Kaher , Alexey Makhalov , Jan Kiszka , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Daniel Lezcano , John Stultz , "H. Peter Anvin" , Rick Edgecombe , Vitaly Kuznetsov , Broadcom internal kernel review list , Boris Ostrovsky , Stephen Boyd , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, David Woodhouse , Tom Lendacky , Nikunj A Dadhania , David Woodhouse , Michael Kelley , Thomas Gleixner Content-Type: text/plain; charset="us-ascii" On Fri, May 29, 2026, Sean Christopherson wrote: > Well, the number of patches in the series is going in the wrong direction, > but I'm much happier with this version, which eschews the x86_platform > overrides entirely in favor of a fixed sequence for selecting the TSC/CPU > frequency "routine". FYI, our internal mail server flamed out after sending patch 26 in the initial go. I'm pretty sure I managed to get the rest sent without screwing up the threading. Holler if something is wonky and I'll RESEND the whole pile if necessary.