From: Attached patch fix/add several cpu features. refs: [1] Intel Processor Identification and the CPUID instruction Application Note 485. http://developer.intel.ru/download/design/Xeon/applnots/24161826.pdf [2] http://www.sandpile.org/ia32/cpuid.htm Signed-off-by: Andrew Morton --- 25-akpm/arch/i386/kernel/cpu/proc.c | 4 ++-- 25-akpm/arch/x86_64/kernel/setup.c | 4 ++-- 25-akpm/include/asm-i386/cpufeature.h | 8 ++++++-- 25-akpm/include/asm-x86_64/cpufeature.h | 8 +++++++- 4 files changed, 17 insertions(+), 7 deletions(-) diff -puN arch/i386/kernel/cpu/proc.c~ix86x86_64-cpu-features arch/i386/kernel/cpu/proc.c --- 25/arch/i386/kernel/cpu/proc.c~ix86x86_64-cpu-features 2004-08-15 15:26:36.993753304 -0700 +++ 25-akpm/arch/i386/kernel/cpu/proc.c 2004-08-15 15:26:37.000752240 -0700 @@ -44,8 +44,8 @@ static int show_cpuinfo(struct seq_file NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* Intel-defined (#2) */ - "pni", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "tm2", - "est", NULL, "cid", NULL, NULL, NULL, NULL, NULL, + "sse3", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "est", + "tm2", NULL, "cid", NULL, NULL, NULL, "xtpr", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, diff -puN arch/x86_64/kernel/setup.c~ix86x86_64-cpu-features arch/x86_64/kernel/setup.c --- 25/arch/x86_64/kernel/setup.c~ix86x86_64-cpu-features 2004-08-15 15:26:36.994753152 -0700 +++ 25-akpm/arch/x86_64/kernel/setup.c 2004-08-15 15:26:37.001752088 -0700 @@ -1062,8 +1062,8 @@ static int show_cpuinfo(struct seq_file NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* Intel-defined (#2) */ - "pni", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "tm2", - "est", NULL, "cid", NULL, NULL, "cmpxchg16b", NULL, NULL, + "sse3", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "est", + "tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; diff -puN include/asm-i386/cpufeature.h~ix86x86_64-cpu-features include/asm-i386/cpufeature.h --- 25/include/asm-i386/cpufeature.h~ix86x86_64-cpu-features 2004-08-15 15:26:36.996752848 -0700 +++ 25-akpm/include/asm-i386/cpufeature.h 2004-08-15 15:26:37.002751936 -0700 @@ -71,9 +71,13 @@ #define X86_FEATURE_P4 (3*32+ 7) /* P4 */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ -#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */ +#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ #define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor/Mwait support */ - +#define X86_FEATURE_DSCPL (4*32+ 4) /* CPL Qualified Debug Store */ +#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */ +#define X86_FEATURE_TM2 (4*32+ 8) /* Thermal Monitor 2 */ +#define X86_FEATURE_CID (4*32+10) /* Context ID */ +#define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */ /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ #define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */ diff -puN include/asm-x86_64/cpufeature.h~ix86x86_64-cpu-features include/asm-x86_64/cpufeature.h --- 25/include/asm-x86_64/cpufeature.h~ix86x86_64-cpu-features 2004-08-15 15:26:36.997752696 -0700 +++ 25-akpm/include/asm-x86_64/cpufeature.h 2004-08-15 15:26:37.002751936 -0700 @@ -63,8 +63,14 @@ #define X86_FEATURE_K8_C (3*32+ 4) /* C stepping K8 */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ -#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */ +#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ #define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor/Mwait support */ +#define X86_FEATURE_DSCPL (4*32+ 4) /* CPL Qualified Debug Store */ +#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */ +#define X86_FEATURE_TM2 (4*32+ 8) /* Thermal Monitor 2 */ +#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 cpu_has(c, bit) test_bit(bit, (c)->x86_capability) #define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability) _