From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELtKit6pXZS8AUw+/05fgMnRQAdLBI2RQZDu+aXdid5ok2CdSh5DrhfQk0oKSrN80LG8gGHG ARC-Seal: i=1; a=rsa-sha256; t=1521484326; cv=none; d=google.com; s=arc-20160816; b=PJRKqJmPCU29wvALibwhmkPxWhtF2puEEFhlUBqKZpV3ItVuPm32oXh1+KubV60wrt 5Jy6v7E+mFD5ITVi4C4O2fMA3+QqbqWKzKLCRiG2wKBXuVECNCnYgL5fjoKonEGqA5tT R9JCdLWO5wTYUEbSaTIiSuP2O0zErJjsVdzFTAcwnxTn3CgjfzBS3r3OBbpIqjHllROs 1ZJFDv7D2hVBorMKHNYW2UA4D3KR6DR2uiwAEv9zgcwGzYYzZEjQJwOv6jYHIEpE4abt 8n8kiMCRqGk7iLUXXxB885jn/V5HRU/Sk/UlFFGhQcKIed8+21bl3MktEPIEKAQlMBTN Zs9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=dME6I52f+l4YRmDSecp3yXa+H5ut31mvN9e4YTj6oHA=; b=GitghcfCT7xloUpUL6R8evQmw7eSn24IUJMqogkkP0oicVLo5uZ27W/Qyv3R57r/Yh 9gmCt5TNnTIZilQ773ezzVV+nuZip710CmPtEZxPWK2SL2uL4SX91T/9ezX0MYay8RFb g5X3l/zSMnco+W9pzL7ztXbIb4s1lI5aqZrfofymp67TjwrOTAu9qy2of2rlef5RUdC+ 8jjwkZk7We7EwlqizffjRMyUsJDh1gHsaxIlfvGBaW7sUbCnb9JS07+NTqFQ0AUEbQqK bgd4I+uLYqo3kUNbIPlSEyR1/qK1khN0laXGJ9BeAYE5J2U+Pgkosns1nv//yfRjFBOd xx6Q== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Sergeyev , Thomas Gleixner , Jia Zhang , Kyle Huey , David Woodhouse Subject: [PATCH 4.15 07/52] x86/speculation: Remove Skylake C2 from Speculation Control microcode blacklist Date: Mon, 19 Mar 2018 19:08:05 +0100 Message-Id: <20180319180735.457297554@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319180734.976730813@linuxfoundation.org> References: <20180319180734.976730813@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1595391747267778863?= X-GMAIL-MSGID: =?utf-8?q?1595391948550750110?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alexander Sergeyev commit e3b3121fa8da94cb20f9e0c64ab7981ae47fd085 upstream. In accordance with Intel's microcode revision guidance from March 6 MCU rev 0xc2 is cleared on both Skylake H/S and Skylake Xeon E3 processors that share CPUID 506E3. Signed-off-by: Alexander Sergeyev Signed-off-by: Thomas Gleixner Cc: Jia Zhang Cc: Greg Kroah-Hartman Cc: Kyle Huey Cc: David Woodhouse Link: https://lkml.kernel.org/r/20180313193856.GA8580@localhost.localdomain Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/intel.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -105,7 +105,7 @@ static void probe_xeon_phi_r3mwait(struc /* * Early microcode releases for the Spectre v2 mitigation were broken. * Information taken from; - * - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/01/microcode-update-guidance.pdf + * - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf * - https://kb.vmware.com/s/article/52345 * - Microcode revisions observed in the wild * - Release note from 20180108 microcode release @@ -123,7 +123,6 @@ static const struct sku_microcode spectr { INTEL_FAM6_KABYLAKE_MOBILE, 0x09, 0x80 }, { INTEL_FAM6_SKYLAKE_X, 0x03, 0x0100013e }, { INTEL_FAM6_SKYLAKE_X, 0x04, 0x0200003c }, - { INTEL_FAM6_SKYLAKE_DESKTOP, 0x03, 0xc2 }, { INTEL_FAM6_BROADWELL_CORE, 0x04, 0x28 }, { INTEL_FAM6_BROADWELL_GT3E, 0x01, 0x1b }, { INTEL_FAM6_BROADWELL_XEON_D, 0x02, 0x14 },