* [X86] Add new cache descriptor.
@ 2008-05-05 21:52 Dave Jones
2008-05-06 12:37 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Dave Jones @ 2008-05-05 21:52 UTC (permalink / raw)
To: Ingo Molnar; +Cc: tglx, Linux Kernel
The latest rev of Intel doc AP-485 details a new cache
descriptor that we don't yet support.
A 6MB 24-way assoc L2 cache.
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 26d615d..2c8afaf 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -62,6 +62,7 @@ static struct _cache_table cache_table[] __cpuinitdata =
{ 0x4b, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */
{ 0x4c, LVL_3, 12288 }, /* 12-way set assoc, 64 byte line size */
{ 0x4d, LVL_3, 16384 }, /* 16-way set assoc, 64 byte line size */
+ { 0x4e, LVL_2, 6144 }, /* 24-way set assoc, 64 byte line size */
{ 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */
{ 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */
{ 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */
--
http://www.codemonkey.org.uk
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [X86] Add new cache descriptor.
2008-05-05 21:52 [X86] Add new cache descriptor Dave Jones
@ 2008-05-06 12:37 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2008-05-06 12:37 UTC (permalink / raw)
To: Dave Jones, tglx, Linux Kernel, Arjan van de Ven, H. Peter Anvin
* Dave Jones <davej@codemonkey.org.uk> wrote:
> The latest rev of Intel doc AP-485 details a new cache descriptor that
> we don't yet support. A 6MB 24-way assoc L2 cache.
>
> Signed-off-by: Dave Jones <davej@redhat.com>
> { 0x4d, LVL_3, 16384 }, /* 16-way set assoc, 64 byte line size */
> + { 0x4e, LVL_2, 6144 }, /* 24-way set assoc, 64 byte line size */
applied, thanks Dave.
Ingo
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