[gentoo-commits] proj/linux-patches:4.4 commit in: /

[Alice Ferrazzi]

commit:     57418f2bc557a7cef73c0e194ba2804ce5da5500
Author:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Fri Jan  5 15:58:53 2018 +0000
Commit:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Fri Jan  5 15:58:53 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=57418f2b

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 46149de..6cc6c43 100644
--- a/0000_README
+++ b/0000_README
@@ -491,6 +491,10 @@ Patch:  1510_fs-enable-link-security-restrictions-by-default.patch
 From:   http://sources.debian.net/src/linux/3.16.7-ckt4-3/debian/patches/debian/fs-enable-link-security-restrictions-by-default.patch/
 Desc:   Enable link security restrictions by default.
 
+Patch:  1700_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:  1900_xfs-fix-suspend-to-memory.patch
 From:   http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/fs/xfs/xfs_trans_ail.c?id=18f1df4e00cea2eae41f3e5515b94d1e7127b2b6
 Desc:   xfs: Make xfsaild freezeable again. See bug #575034.

diff --git a/1700_amd-support-for-fam17h-microcode-loading.patch b/1700_amd-support-for-fam17h-microcode-loading.patch
new file mode 100644
index 0000000..f8a8f81
--- /dev/null
+++ b/1700_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
+