From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x225WI7Bnuu5cpXxV00ez6YEoj4g6JutrrpQClU1VdsUoLY2Zt+KPvusv4GvJt5l/14Ih3o6T ARC-Seal: i=1; a=rsa-sha256; t=1518401216; cv=none; d=google.com; s=arc-20160816; b=wANCO2zOIfwmXzXFGdPv6BK6XTqfOlwQbtdc5/xTVZ2lVvyd7RrbFOHDPX2b0D+pQ6 eOyloqwq5+XtdlpoTR9hggCj3d7MyKxb5Z8UyQyYBIogU5cPgdQzTktrJnguzm+G4saU XnMEUTsO8i2H9SUijSmK+jfYFMJUJoX0O5J/AVqILNTQ+1ksbMIqswFCV2bn86J13dGy b1HIu0YrasnVL77f0I2aUCfp75ka75dBmKnpnioi8pfC2dNqPvmj8mZXi18yhZ0KxuUg hapoGixGPEX+oJ6iJJ0S1Js8XX+1ELRH+4KTzGvrTXRJWTEKnfsPoopYeon+PLbP5NpV N2zQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=precedence:content-disposition:content-transfer-encoding :mime-version:robot-unsubscribe:robot-id:git-commit-id:subject:to :references:in-reply-to:reply-to:cc:message-id:from:sender:date :arc-authentication-results; bh=UtgFQr7rXxTZv+M6e6M66Pgsq58qLUiPi5yGqXWyulg=; b=SFHqUk2LgnvYSHDf7D9vKsDG6ySBXgaopYHnGLeOt+hN0osGhfumKF6LP5O3Sugt0/ mTEbBqCeoTLJmiIa5mnzU4GBXpivj0KFD+gXKsm5gXN+sKAetuYIh7ltO89wmX0uzIG6 BDBfcgt6cxCeLez6XcYqLBq73pTm4PYzcDGpkFVj+fxGzlSPKRBidoAt3vhJnE95Unx2 lBG7NVPYSPAz5PdKkmUcemnZ8mn9P8xf4NPI9DNFqyhyKK06FBPp+y13FWMK4mP56qOG NE0nZwXgFMYerTzb8zsTjNjA9HECEbwerb1ZVK9LxRJPHdopeYo6S1khT4vS/KwfHviK 5nrA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of tipbot@zytor.com designates 198.137.202.136 as permitted sender) smtp.mailfrom=tipbot@zytor.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of tipbot@zytor.com designates 198.137.202.136 as permitted sender) smtp.mailfrom=tipbot@zytor.com Date: Sun, 11 Feb 2018 04:08:57 -0800 Sender: tip tree robot From: tip-bot for David Woodhouse Message-ID: Cc: peterz@infradead.org, jpoimboe@redhat.com, gregkh@linuxfoundation.org, bp@alien8.de, dan.j.williams@intel.com, hpa@zytor.com, dave.hansen@linux.intel.com, dwmw2@infradead.org, arjan@linux.intel.com, mingo@kernel.org, torvalds@linux-foundation.org, dwmw@amazon.co.uk, luto@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org Reply-To: mingo@kernel.org, torvalds@linux-foundation.org, dwmw@amazon.co.uk, tglx@linutronix.de, luto@kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de, gregkh@linuxfoundation.org, jpoimboe@redhat.com, peterz@infradead.org, dan.j.williams@intel.com, hpa@zytor.com, dave.hansen@linux.intel.com, dwmw2@infradead.org, arjan@linux.intel.com In-Reply-To: <1518305967-31356-2-git-send-email-dwmw@amazon.co.uk> References: <1518305967-31356-2-git-send-email-dwmw@amazon.co.uk> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/pti] x86/speculation: Update Speculation Control microcode blacklist Git-Commit-ID: 1751342095f0d2b36fa8114d8e12c5688c455ac4 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592159073916026557?= X-GMAIL-MSGID: =?utf-8?q?1592159073916026557?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Commit-ID: 1751342095f0d2b36fa8114d8e12c5688c455ac4 Gitweb: https://git.kernel.org/tip/1751342095f0d2b36fa8114d8e12c5688c455ac4 Author: David Woodhouse AuthorDate: Sat, 10 Feb 2018 23:39:22 +0000 Committer: Ingo Molnar CommitDate: Sun, 11 Feb 2018 11:24:15 +0100 x86/speculation: Update Speculation Control microcode blacklist Intel have retroactively blessed the 0xc2 microcode on Skylake mobile and desktop parts, and the Gemini Lake 0x22 microcode is apparently fine too. We blacklisted the latter purely because it was present with all the other problematic ones in the 2018-01-08 release, but now it's explicitly listed as OK. We still list 0x84 for the various Kaby Lake / Coffee Lake parts, as that appeared in one version of the blacklist and then reverted to 0x80 again. We can change it if 0x84 is actually announced to be safe. Signed-off-by: David Woodhouse Cc: Andy Lutomirski Cc: Arjan van de Ven Cc: Borislav Petkov Cc: Dan Williams Cc: Dave Hansen Cc: David Woodhouse Cc: Greg Kroah-Hartman Cc: Josh Poimboeuf Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: arjan.van.de.ven@intel.com Cc: jmattson@google.com Cc: karahmed@amazon.de Cc: kvm@vger.kernel.org Cc: pbonzini@redhat.com Cc: rkrcmar@redhat.com Cc: sironi@amazon.de Link: http://lkml.kernel.org/r/1518305967-31356-2-git-send-email-dwmw@amazon.co.uk Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 319bf98..f73b814 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -123,8 +123,6 @@ static const struct sku_microcode spectre_bad_microcodes[] = { { INTEL_FAM6_KABYLAKE_MOBILE, 0x09, 0x84 }, { INTEL_FAM6_SKYLAKE_X, 0x03, 0x0100013e }, { INTEL_FAM6_SKYLAKE_X, 0x04, 0x0200003c }, - { INTEL_FAM6_SKYLAKE_MOBILE, 0x03, 0xc2 }, - { 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 }, @@ -136,8 +134,6 @@ static const struct sku_microcode spectre_bad_microcodes[] = { { INTEL_FAM6_HASWELL_X, 0x02, 0x3b }, { INTEL_FAM6_HASWELL_X, 0x04, 0x10 }, { INTEL_FAM6_IVYBRIDGE_X, 0x04, 0x42a }, - /* Updated in the 20180108 release; blacklist until we know otherwise */ - { INTEL_FAM6_ATOM_GEMINI_LAKE, 0x01, 0x22 }, /* Observed in the wild */ { INTEL_FAM6_SANDYBRIDGE_X, 0x06, 0x61b }, { INTEL_FAM6_SANDYBRIDGE_X, 0x07, 0x712 },