linux-kernel - x86: add new cache descriptors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 10 Nov 2009 13:49:24 -0500
From:	Dave Jones <davej@...hat.com>
To:	x86@...nel.org
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: x86: add new cache descriptors

The latest rev of Intel doc AP-485 details new cache descriptors that we don't yet support.
12MB, 18MB and 24MB 24-way assoc L3 caches.

Signed-off-by: Dave Jones <davej@...hat.com>

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 804c40e..228fc67 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -102,6 +102,9 @@ static const struct _cache_table __cpuinitconst cache_table[] =
 	{ 0xe2, LVL_3,    2048 },	/* 16-way set assoc, 64 byte line size */
 	{ 0xe3, LVL_3,    4096 },	/* 16-way set assoc, 64 byte line size */
 	{ 0xe4, LVL_3,    8192 },	/* 16-way set assoc, 64 byte line size */
+	{ 0xea, LVL_3,    12288 },	/* 24-way set assoc, 64 byte line size */
+	{ 0xeb, LVL_3,    18432 },	/* 24-way set assoc, 64 byte line size */
+	{ 0xec, LVL_3,    24576 },	/* 24-way set assoc, 64 byte line size */
 	{ 0x00, 0, 0}
 };
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/