[gentoo-commits] proj/linux-patches:4.9 commit in: /

[Alice Ferrazzi]

commit:     3954ca34bf6535f58f4788d6bbd991535e43ff42
Author:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Fri Jan  5 15:52:27 2018 +0000
Commit:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Fri Jan  5 15:53:33 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=3954ca34

add amd support for fam17h microcode loading

 0000_README                                        |  4 ++
 ..._amd-support-for-fam17h-microcode-loading.patch | 43 ++++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/0000_README b/0000_README
index eed3372..50f031f 100644
--- a/0000_README
+++ b/0000_README
@@ -359,6 +359,10 @@ Patch:  1700_ia64-fix-module-loading-for-gcc-5.4.patch
 From:   http://www.kernel.org
 Desc:   ia64: Lift the slot=2 restriction from the kernel module loader.
 
+Patch:  1701_amd-support-for-fam17h-microcode-loading.patch
+From:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f4e9b7af0cd58dd039a0fb2cd67d57cea4889abf
+Desc:   x86/microcode/AMD: Add support for fam17h microcode loading
+
 Patch:  2300_enable-poweroff-on-Mac-Pro-11.patch
 From:   http://kernel.ubuntu.com/git/ubuntu/ubuntu-xenial.git/patch/drivers/pci/quirks.c?id=5080ff61a438f3dd80b88b423e1a20791d8a774c
 Desc:   Workaround to enable poweroff on Mac Pro 11. See bug #601964.

diff --git a/1701_amd-support-for-fam17h-microcode-loading.patch b/1701_amd-support-for-fam17h-microcode-loading.patch
new file mode 100644
index 0000000..f8a8f81
--- /dev/null
+++ b/1701_amd-support-for-fam17h-microcode-loading.patch
@@ -0,0 +1,43 @@
+From f4e9b7af0cd58dd039a0fb2cd67d57cea4889abf Mon Sep 17 00:00:00 2001
+From: Tom Lendacky <thomas.lendacky@×××.com>
+Date: Thu, 30 Nov 2017 16:46:40 -0600
+Subject: 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 <thomas.lendacky@×××.com>
+Signed-off-by: Thomas Gleixner <tglx@××××××××××.de>
+Reviewed-by: Borislav Petkov <bp@××××××.de>
+Link: https://lkml.kernel.org/r/20171130224640.15391.40247.stgit@×××××××××××××××××××××.net
+Signed-off-by: Ingo Molnar <mingo@××××××.org>
+---
+ 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;
+-- 
+cgit v1.1
+