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nexedi
linux
Commits
16282a8e
Commit
16282a8e
authored
Feb 26, 2008
by
Ingo Molnar
Browse files
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x86: clean up cpu capabilities accesses, amd.c
Signed-off-by:
Ingo Molnar
<
mingo@elte.hu
>
parent
9716951e
Changes
1
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Showing
1 changed file
with
12 additions
and
12 deletions
+12
-12
arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/amd.c
+12
-12
No files found.
arch/x86/kernel/cpu/amd.c
View file @
16282a8e
...
...
@@ -68,7 +68,7 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
if
(
cpuid_eax
(
0x80000000
)
>=
0x80000007
)
{
c
->
x86_power
=
cpuid_edx
(
0x80000007
);
if
(
c
->
x86_power
&
(
1
<<
8
))
set_
bit
(
X86_FEATURE_CONSTANT_TSC
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_CONSTANT_TSC
);
}
}
...
...
@@ -105,9 +105,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
/*
* Bit 31 in normal CPUID used for nonstandard 3DNow ID;
* DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway
*
3
DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway
*/
clear_
bit
(
0
*
32
+
31
,
c
->
x86_capability
);
clear_
cpu_cap
(
c
,
0
*
32
+
31
);
r
=
get_model_name
(
c
);
...
...
@@ -131,8 +131,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
if
(
c
->
x86_model
<
6
)
{
/* Based on AMD doc 20734R - June 2000 */
if
(
c
->
x86_model
==
0
)
{
clear_
bit
(
X86_FEATURE_APIC
,
c
->
x86_capability
);
set_
bit
(
X86_FEATURE_PGE
,
c
->
x86_capability
);
clear_
cpu_cap
(
c
,
X86_FEATURE_APIC
);
set_
cpu_cap
(
c
,
X86_FEATURE_PGE
);
}
break
;
}
...
...
@@ -208,7 +208,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
/* Set MTRR capability flag if appropriate */
if
(
c
->
x86_model
==
13
||
c
->
x86_model
==
9
||
(
c
->
x86_model
==
8
&&
c
->
x86_mask
>=
8
))
set_
bit
(
X86_FEATURE_K6_MTRR
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_K6_MTRR
);
break
;
}
...
...
@@ -231,7 +231,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
rdmsr
(
MSR_K7_HWCR
,
l
,
h
);
l
&=
~
0x00008000
;
wrmsr
(
MSR_K7_HWCR
,
l
,
h
);
set_
bit
(
X86_FEATURE_XMM
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_XMM
);
}
}
...
...
@@ -256,14 +256,14 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
/* Use K8 tuning for Fam10h and Fam11h */
case
0x10
:
case
0x11
:
set_
bit
(
X86_FEATURE_K8
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_K8
);
break
;
case
6
:
set_
bit
(
X86_FEATURE_K7
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_K7
);
break
;
}
if
(
c
->
x86
>=
6
)
set_
bit
(
X86_FEATURE_FXSAVE_LEAK
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_FXSAVE_LEAK
);
display_cacheinfo
(
c
);
...
...
@@ -304,10 +304,10 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
/* K6s reports MCEs but don't actually have all the MSRs */
if
(
c
->
x86
<
6
)
clear_
bit
(
X86_FEATURE_MCE
,
c
->
x86_capability
);
clear_
cpu_cap
(
c
,
X86_FEATURE_MCE
);
if
(
cpu_has_xmm2
)
set_
bit
(
X86_FEATURE_MFENCE_RDTSC
,
c
->
x86_capability
);
set_
cpu_cap
(
c
,
X86_FEATURE_MFENCE_RDTSC
);
}
static
unsigned
int
__cpuinit
amd_size_cache
(
struct
cpuinfo_x86
*
c
,
unsigned
int
size
)
...
...
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