From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40096 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752802AbeAGLId (ORCPT ); Sun, 7 Jan 2018 06:08:33 -0500 Subject: Patch "x86/microcode/AMD: Add support for fam17h microcode loading" has been added to the 4.9-stable tree To: thomas.lendacky@amd.com, alicef@gentoo.org, bp@alien8.de, gregkh@linuxfoundation.org, mingo@kernel.org, tglx@linutronix.de Cc: , From: Date: Sun, 07 Jan 2018 12:08:36 +0100 Message-ID: <151532331619697@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled x86/microcode/AMD: Add support for fam17h microcode loading to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-microcode-amd-add-support-for-fam17h-microcode-loading.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f4e9b7af0cd58dd039a0fb2cd67d57cea4889abf Mon Sep 17 00:00:00 2001 From: Tom Lendacky Date: Thu, 30 Nov 2017 16:46:40 -0600 Subject: x86/microcode/AMD: Add support for fam17h microcode loading From: Tom Lendacky commit f4e9b7af0cd58dd039a0fb2cd67d57cea4889abf upstream. 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 Signed-off-by: Ingo Molnar Cc: Alice Ferrazzi Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/microcode/amd.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -592,6 +592,7 @@ static unsigned int verify_patch_size(u8 #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: @@ -603,6 +604,9 @@ static unsigned int verify_patch_size(u8 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; Patches currently in stable-queue which might be from thomas.lendacky@amd.com are queue-4.9/x86-microcode-amd-add-support-for-fam17h-microcode-loading.patch