From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3F501DDC9 for ; Mon, 27 May 2024 18:10:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716833437; cv=none; b=IXWbktxGf05c/3HVgiVCw+OPQC5fJbghrpUsbmAeKSZubHWOzVw0JgdJOTCoZmhnCzPVHY5MPBdmp+YBY6STxd5E93P2zIXhHx51zgztTrrpI69kTAjkARnWE4izMQQXw1L3G9Yb1HBiv60gFdBB/0ckYO3h6wX0czxRyvE0CWQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716833437; c=relaxed/simple; bh=EhCesqVbiIpD/xKZsyEp0/vuCEMlYSLBpSp9milgZOg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=if+sPanQBglyH/HcaDYs2+RUybYGYDFrDIGcIW1awOI55YxoxIck/Oelnzos5W3uBKR0WHUi+aqEo9o3DNB8LwkqhGmse4BJkJ7oxk2Z1udmhsrIgrl4Ibd8wEoh5pbn6gdrNQkvQ+KxYO/yulYh427ZJBB68uL+nFadKvJ/Em8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=m1pDgXnH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="m1pDgXnH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7533C2BBFC; Mon, 27 May 2024 18:10:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716833436; bh=EhCesqVbiIpD/xKZsyEp0/vuCEMlYSLBpSp9milgZOg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=m1pDgXnHu35nmvSHfA/OddTQN7KXTFoE3F4qvH45YuINzY/qwxWTElPj5rmRL2mCP q55iNrQKbRwdmfU5ue1juCbKBALJCnEie6F1wi+4VgeJx/Qzp8GMVxeNutEAFbO9sA kPtk1hDX0+FP6WVh0Q85Q00G0e6RGFhuhof73oIw= Date: Mon, 27 May 2024 20:10:39 +0200 From: Greg KH To: Daniel J Blueman Cc: stable@vger.kernel.org Subject: Re: x86/tsc: Trust initial offset in architectural TSC-adjust MSRs Message-ID: <2024052729-anthology-graves-7533@gregkh> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, May 27, 2024 at 07:11:00PM +0800, Daniel J Blueman wrote: > On present kernels, HPET fallback occurs on some 8-16 socket x86 > systems due to the TSC adjust architectural MSR not being respected. > > This was fixed upstream in commit 455f9075f14484f358b3c1d6845b4a438de198a7. > > Please backport this fix to -stable for 6.9, 6.8, 6.6, 6.1, 5.15, > 5.10, 5.4 and 4.19 branches to allow correct TSC operation on existing > distros using these kernels. The patch cleanly applies to all of these > latest -stable branches. Now queued up, thanks. greg k-h