From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (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 77A513B7A8 for ; Sun, 23 Mar 2025 19:59:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742759979; cv=none; b=KoDdh+Odllh/A0i2DySdgF++0BvC/cQgDxkBQoL2f14nsY4bXtDAQyUiq8Ql+khaxm6r3a56lQZjnu/E96CZG7Sj+Vz+XLdjixlL28hCEzjUQixJHrvwvuFr8mWP0F3tUp+skgdM7IkSr1Pb/tV/6UqIA4NtOR3w44T3NS7qKcA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742759979; c=relaxed/simple; bh=aPfRB9VTOGJ3yvmNj0GIs5velCtgRYlJWqYRwdKQ8lQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dUOmsBo42Jwr4tvAZ8eD9BMtjYE/uEfwTpBRj+0qAzOoKEpQuHvaFjovp4KdJ8bL9KYwmf654m5PlkXkP93Tiv432B0Ck5jAeeFmMZd24GaIEUSahalVVMQjdR0gPeKg4cU6oXfOKrJGmVPAK1uJBYa1VDkAeAxAXAqEneqmtp8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=Jjz0PJ8B; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="Jjz0PJ8B" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=pHGf6EDuTNpKnrAWnOuYszPosBN1CQ5PnIFL16Ufv3Y=; b=Jjz0PJ8BgZ6Wfg6nFuW8EOwJHO O8gjwSf2hp0+LvqAi3RBwlkGcKvUrG3cUg+frhszbn4KbgKKtwrxEPdS0VU86whcvFHjBobX0CXSB owVlNxo6B3+4Jbzl3rAc/g6uTIDpzpDeAuF/RfSCS9PiTbc2rNO01IQxghS0kg+Qi9eHatEUHXmGs AuGRjVPkxlV0QaEM+xAJAdRpPLWK2CBsw0atUdf7PPRPZIlyLW5dIJliyk2q4ss2w/ZU4BEjIqaTu pb/JD7OmbAbPANVZjYatvU6wsLzH2z38Fmt3PXZyQyIY3LgPh0dXvl4R31C1CJ95GSjHNPL01CAl1 14e6lejQ==; Received: from [187.90.172.172] (helo=[192.168.1.60]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1twRTc-005OD2-Gn; Sun, 23 Mar 2025 20:59:20 +0100 Message-ID: Date: Sun, 23 Mar 2025 16:59:14 -0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH] x86/tsc: Add debugfs entry to mark TSC as unstable after boot Content-Language: en-US To: Borislav Petkov Cc: Thomas Gleixner , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, dave.hansen@linux.intel.com, kernel@gpiccoli.net, kernel-dev@igalia.com References: <20250226132733.58327-1-gpiccoli@igalia.com> <1238b1d0-275c-9117-a2e3-5e7684404980@igalia.com> <87iko213qo.ffs@tglx> <20250323181444.GCZ-BPlCAhtO7AIsS7@fat_crate.local> <8247f64e-316d-0eca-9e5d-0c63c7dfc862@igalia.com> <20250323195102.GDZ-BmJgDWLieuUaJs@fat_crate.local> From: "Guilherme G. Piccoli" In-Reply-To: <20250323195102.GDZ-BmJgDWLieuUaJs@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 23/03/2025 16:51, Borislav Petkov wrote: > On Sun, Mar 23, 2025 at 04:21:44PM -0300, Guilherme G. Piccoli wrote: >> This is great to hear - is there any starting point model that you know >> AMD introduced/is introducing TSC_ADJUST? > > Zen5. > Thanks! Nice improvement from AMD =) > [...] > Zen1 should not have TSC problems either. If it does, whack BIOS people. > Heheh OK, thanks for confirming!