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authorShannon Nelson <shannon.nelson@intel.com>2007-10-16 01:27:42 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:09 -0700
commit2ed6dc34f9ed39bb8e4c81ea1056f0ba56315841 (patch)
treee3f6ca7961f9c4e34453d06e584c0bc98ec630d7 /include
parent7589670f37736bcc119ebfbd69aafea6d585d1d4 (diff)
I/OAT: Add DCA services
Add code to connect to the DCA driver and provide cpu tags for use by drivers that would like to use Direct Cache Access hints. [Adrian Bunk] Several Kconfig cleanup items [Andrew Morten, Chris Leech] Fix for using cpu_physical_id() even when built for uni-processor Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/cpufeature_32.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/cpufeature_32.h b/include/asm-x86/cpufeature_32.h
index 7b3aa28ebc6e..f17e688dfb05 100644
--- a/include/asm-x86/cpufeature_32.h
+++ b/include/asm-x86/cpufeature_32.h
@@ -92,6 +92,7 @@
#define X86_FEATURE_CID (4*32+10) /* Context ID */
#define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */
#define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */
+#define X86_FEATURE_DCA (4*32+18) /* Direct Cache Access */
/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
#define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */