From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752009AbdLDWMS (ORCPT ); Mon, 4 Dec 2017 17:12:18 -0500 Received: from terminus.zytor.com ([65.50.211.136]:51689 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751200AbdLDWMO (ORCPT ); Mon, 4 Dec 2017 17:12:14 -0500 Date: Mon, 4 Dec 2017 14:09:59 -0800 From: tip-bot for Tom Lendacky Message-ID: Cc: hpa@zytor.com, bp@alien8.de, tglx@linutronix.de, mingo@kernel.org, thomas.lendacky@amd.com, linux-kernel@vger.kernel.org Reply-To: hpa@zytor.com, bp@alien8.de, tglx@linutronix.de, mingo@kernel.org, thomas.lendacky@amd.com, linux-kernel@vger.kernel.org In-Reply-To: <20171130224640.15391.40247.stgit@tlendack-t1.amdoffice.net> References: <20171130224640.15391.40247.stgit@tlendack-t1.amdoffice.net> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] x86/microcode/AMD: Add support for fam17h microcode loading Git-Commit-ID: 866a79a1c98c5004a410122b06f808152f2fe53c 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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 866a79a1c98c5004a410122b06f808152f2fe53c Gitweb: https://git.kernel.org/tip/866a79a1c98c5004a410122b06f808152f2fe53c Author: Tom Lendacky AuthorDate: Thu, 30 Nov 2017 16:46:40 -0600 Committer: Thomas Gleixner CommitDate: Mon, 4 Dec 2017 23:03:29 +0100 x86/microcode/AMD: Add support for fam17h microcode loading The size for the Microcode Patch Block (MPB) for an AMD family 17h processor is 3200 bytes. Add a #define for fam17h so that it does not default to 2048 bytes and fail a microcode load/update. Signed-off-by: Tom Lendacky Signed-off-by: Thomas Gleixner Reviewed-by: Borislav Petkov Link: https://lkml.kernel.org/r/20171130224640.15391.40247.stgit@tlendack-t1.amdoffice.net --- arch/x86/kernel/cpu/microcode/amd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index c6daec4..330b846 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -470,6 +470,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size, #define F14H_MPB_MAX_SIZE 1824 #define F15H_MPB_MAX_SIZE 4096 #define F16H_MPB_MAX_SIZE 3458 +#define F17H_MPB_MAX_SIZE 3200 switch (family) { case 0x14: @@ -481,6 +482,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size, case 0x16: max_size = F16H_MPB_MAX_SIZE; break; + case 0x17: + max_size = F17H_MPB_MAX_SIZE; + break; default: max_size = F1XH_MPB_MAX_SIZE; break;