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authorYinghai Lu <yhlu.kernel@gmail.com>2008-07-21 01:38:14 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-21 13:03:12 +0200
commit9175fc06aee79c349790672178d3fd7507d75c86 (patch)
tree4b83a2ef781af89040a41b2432e32c6a3ec27689 /arch/x86/kernel
parent6ac8d51f01d345af5ea4209004a9ea29b2f20891 (diff)
x86: use setup_clear_cpu_cap() when disabling the lapic
... so don't need to call clear_cpu_cap again in early_identify_cpu, and could use cleared_cpu_caps like other places. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic_32.c5
-rw-r--r--arch/x86/kernel/apic_64.c2
-rw-r--r--arch/x86/kernel/cpu/common_64.c4
3 files changed, 2 insertions, 9 deletions
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index a437d027f20..e9a00e5074b 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1214,9 +1214,6 @@ int apic_version[MAX_APICS];
int __init APIC_init_uniprocessor(void)
{
- if (disable_apic)
- clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
-
if (!smp_found_config && !cpu_has_apic)
return -1;
@@ -1700,7 +1697,7 @@ early_param("lapic", parse_lapic);
static int __init parse_nolapic(char *arg)
{
disable_apic = 1;
- clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+ setup_clear_cpu_cap(X86_FEATURE_APIC);
return 0;
}
early_param("nolapic", parse_nolapic);
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 1e3d32e27c1..16e586cacbd 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1337,7 +1337,7 @@ early_param("apic", apic_set_verbosity);
static __init int setup_disableapic(char *str)
{
disable_apic = 1;
- clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+ setup_clear_cpu_cap(X86_FEATURE_APIC);
return 0;
}
early_param("disableapic", setup_disableapic);
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index 7b8cc72feb4..0485cf64452 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -324,10 +324,6 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
cpu_devs[c->x86_vendor]->c_early_init(c);
validate_pat_support(c);
-
- /* early_param could clear that, but recall get it set again */
- if (disable_apic)
- clear_cpu_cap(c, X86_FEATURE_APIC);
}
/*