From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 1BA1B2EA754; Wed, 20 May 2026 19:07:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779304026; cv=none; b=J8b9IDtME+hvlLX3z9AQN3gbkMzFsYrueZZDboYa4DOpA5zLaPtLUTW8iVOqLmYvBNjjj85Pd8ZrCkUMpFbcLovzZQtHd9Yk21bG3cq/HvC7flX5WV1OVvHeaEP6J00TYuy/nfiunbMNKrVvUOwMjurThNN5VZ0wOEOHfsb84XE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779304026; c=relaxed/simple; bh=KBm/TLbfPZj0qsgOsLDng1ZI6bZ8URdy5t6tLhKnzXo=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=GepzaCP/DY9XDXS6DmdOjURVmKRmoAmniXHr4jIlXE5DoBpK6F4LxDOPKqbKkmZphsNa6TrijOxBqmnapT0l0OLlDy0/rlnDeFXLqKFlytKurK1MrETUwzY9OPWBqZGwLK3a9C6XHckIzR5ROaz0WbPyMPsjqBZU32InIbBXILE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=casper.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=TkxNPg1d; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=casper.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="TkxNPg1d" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=MIME-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=KBm/TLbfPZj0qsgOsLDng1ZI6bZ8URdy5t6tLhKnzXo=; b=TkxNPg1dpluV9BITXlJJuw4kXL 2kkGiWpzEqbOAjSw/BdQ09Ld6amQ8ITurcs6fNtHk9Y/t+cQtdtTHd04wgxkqwGWW7llQKeaVObp0 mlNZxv1L09bDDezWrGXcVN2x+ycvHSRkWXZ7pyo8MwjmEdootwOG0yhvUfBu2Mac+CzkiCegrf/RP vexXz15qcADvTfdiM2LJ+ZPsjGJKo6BCQ+nM+DoJnqlXZIyYHG+DcQxJ5jpT4rfkXnD09znJvTRtO cG2SocKIG66e5AjMqA4BbaR9tbpcvlZQS+U+VRYGaHEmTrb381orpErgam7Upj7TNnnO8K4TuYNkk Fbyuc8zQ==; Received: from 54-240-197-235.amazon.com ([54.240.197.235] helo=freeip.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPmFr-00000007V1a-3HR4; Wed, 20 May 2026 19:06:55 +0000 Message-ID: <5cbc62dd2ad1f3f7b8ed4771c9ae02c8eee45886.camel@infradead.org> Subject: Re: [PATCH v3 03/41] x86/sev: Mark TSC as reliable when configuring Secure TSC From: David Woodhouse To: Sean Christopherson , Kiryl Shutsemau , Paolo Bonzini , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Ajay Kaher , Alexey Makhalov , Jan Kiszka , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Daniel Lezcano , Thomas Gleixner , John Stultz Cc: Rick Edgecombe , Vitaly Kuznetsov , Broadcom internal kernel review list , Boris Ostrovsky , Stephen Boyd , x86@kernel.org, linux-coco@lists.linux.dev, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, Michael Kelley , Tom Lendacky , Nikunj A Dadhania , Thomas Gleixner Date: Wed, 20 May 2026 20:06:54 +0100 In-Reply-To: <20260515191942.1892718-4-seanjc@google.com> References: <20260515191942.1892718-1-seanjc@google.com> <20260515191942.1892718-4-seanjc@google.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-rhI5F8i7SpBc8jvUjeNP" User-Agent: Evolution 3.52.3-0ubuntu1.1 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html --=-rhI5F8i7SpBc8jvUjeNP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2026-05-15 at 12:19 -0700, Sean Christopherson wrote: > Move the code to mark the TSC as reliable from sme_early_init() to > snp_secure_tsc_init().=C2=A0 The only reader of TSC_RELIABLE is the aptly > named check_system_tsc_reliable(), which runs in tsc_init(), i.e. > after snp_secure_tsc_init(). >=20 > This will allow consolidating the handling of TSC_KNOWN_FREQ and > TSC_RELIABLE when overriding the TSC calibration routine. >=20 > Cc: Tom Lendacky > Reviewed-by: Nikunj A Dadhania > Signed-off-by: Sean Christopherson Reviewed-by: David Woodhouse --=-rhI5F8i7SpBc8jvUjeNP Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw 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