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nexedi
linux
Commits
d0e95ebd
Commit
d0e95ebd
authored
Feb 26, 2008
by
Ingo Molnar
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x86: clean up cpu capabilities in arch/x86/kernel/cpu/intel.c
Signed-off-by:
Ingo Molnar
<
mingo@elte.hu
>
parent
1d007cd5
Changes
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-7
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/cpu/intel.c
+7
-7
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arch/x86/kernel/cpu/intel.c
View file @
d0e95ebd
...
@@ -143,12 +143,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
...
@@ -143,12 +143,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
unsigned
eax
=
cpuid_eax
(
10
);
unsigned
eax
=
cpuid_eax
(
10
);
/* Check for version and the number of counters */
/* Check for version and the number of counters */
if
((
eax
&
0xff
)
&&
(((
eax
>>
8
)
&
0xff
)
>
1
))
if
((
eax
&
0xff
)
&&
(((
eax
>>
8
)
&
0xff
)
>
1
))
set_
bit
(
X86_FEATURE_ARCH_PERFMON
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_ARCH_PERFMON
);
}
}
/* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it until model 3 mask 3 */
/* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it until model 3 mask 3 */
if
((
c
->
x86
<<
8
|
c
->
x86_model
<<
4
|
c
->
x86_mask
)
<
0x633
)
if
((
c
->
x86
<<
8
|
c
->
x86_model
<<
4
|
c
->
x86_mask
)
<
0x633
)
clear_
bit
(
X86_FEATURE_SEP
,
c
->
x86_capability
);
clear_
cpu_cap
(
c
,
X86_FEATURE_SEP
);
/*
/*
* Names for the Pentium II/Celeron processors
* Names for the Pentium II/Celeron processors
...
@@ -209,19 +209,19 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
...
@@ -209,19 +209,19 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
#endif
#endif
if
(
cpu_has_xmm2
)
if
(
cpu_has_xmm2
)
set_
bit
(
X86_FEATURE_LFENCE_RDTSC
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_LFENCE_RDTSC
);
if
(
c
->
x86
==
15
)
{
if
(
c
->
x86
==
15
)
{
set_
bit
(
X86_FEATURE_P4
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_P4
);
}
}
if
(
c
->
x86
==
6
)
if
(
c
->
x86
==
6
)
set_
bit
(
X86_FEATURE_P3
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_P3
);
if
(
cpu_has_ds
)
{
if
(
cpu_has_ds
)
{
unsigned
int
l1
;
unsigned
int
l1
;
rdmsr
(
MSR_IA32_MISC_ENABLE
,
l1
,
l2
);
rdmsr
(
MSR_IA32_MISC_ENABLE
,
l1
,
l2
);
if
(
!
(
l1
&
(
1
<<
11
)))
if
(
!
(
l1
&
(
1
<<
11
)))
set_
bit
(
X86_FEATURE_BTS
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_BTS
);
if
(
!
(
l1
&
(
1
<<
12
)))
if
(
!
(
l1
&
(
1
<<
12
)))
set_
bit
(
X86_FEATURE_PEBS
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_PEBS
);
}
}
if
(
cpu_has_bts
)
if
(
cpu_has_bts
)
...
...
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