linux-kernel - [PATCH 130/241] x86, microcode, AMD: Add support for family 16h processors

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Message-Id: <1355407206-17100-131-git-send-email-herton.krzesinski@canonical.com>
Date:	Thu, 13 Dec 2012 11:58:15 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Boris Ostrovsky <boris.ostrovsky@....com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: [PATCH 130/241] x86, microcode, AMD: Add support for family 16h processors

3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Ostrovsky <boris.ostrovsky@....com>

commit 36c46ca4f322a7bf89aad5462a3a1f61713edce7 upstream.

Add valid patch size for family 16h processors.

[ hpa: promoting to urgent/stable since it is hw enabling and trivial ]

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@....com>
Acked-by: Andreas Herrmann <herrmann.der.user@...glemail.com>
Link: http://lkml.kernel.org/r/1353004910-2204-1-git-send-email-boris.ostrovsky@amd.com
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 arch/x86/kernel/microcode_amd.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 82746f9..5d8cf0d 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -97,6 +97,7 @@ static unsigned int verify_ucode_size(int cpu, u32 patch_size,
 #define F1XH_MPB_MAX_SIZE 2048
 #define F14H_MPB_MAX_SIZE 1824
 #define F15H_MPB_MAX_SIZE 4096
+#define F16H_MPB_MAX_SIZE 3458
 
 	switch (c->x86) {
 	case 0x14:
@@ -105,6 +106,9 @@ static unsigned int verify_ucode_size(int cpu, u32 patch_size,
 	case 0x15:
 		max_size = F15H_MPB_MAX_SIZE;
 		break;
+	case 0x16:
+		max_size = F16H_MPB_MAX_SIZE;
+		break;
 	default:
 		max_size = F1XH_MPB_MAX_SIZE;
 		break;
-- 
1.7.9.5

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