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author | Grant Likely <grant.likely@secretlab.ca> | 2010-02-02 03:05:22 -0500 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-02-02 03:05:22 -0500 |
commit | fb7899b1f0b748ef966071f5dc23c59ebd57d08f (patch) | |
tree | 2f13f9d8607871a60334608524e8b4e9447f5309 /arch/x86/kernel/apic/apic.c | |
parent | 212b3c8b8ab94d983c2e0ee1821f17dd5b4e0859 (diff) | |
parent | abe94c756c08d50566c09a65b9c7fe72f83071c5 (diff) |
Merge commit 'v2.6.33-rc6' into secretlab/next-spi
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
-rw-r--r-- | arch/x86/kernel/apic/apic.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index e80f291472a4..3987e4408f75 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c | |||
@@ -61,12 +61,6 @@ unsigned int boot_cpu_physical_apicid = -1U; | |||
61 | 61 | ||
62 | /* | 62 | /* |
63 | * The highest APIC ID seen during enumeration. | 63 | * The highest APIC ID seen during enumeration. |
64 | * | ||
65 | * This determines the messaging protocol we can use: if all APIC IDs | ||
66 | * are in the 0 ... 7 range, then we can use logical addressing which | ||
67 | * has some performance advantages (better broadcasting). | ||
68 | * | ||
69 | * If there's an APIC ID above 8, we use physical addressing. | ||
70 | */ | 64 | */ |
71 | unsigned int max_physical_apicid; | 65 | unsigned int max_physical_apicid; |
72 | 66 | ||
@@ -1898,14 +1892,7 @@ void __cpuinit generic_processor_info(int apicid, int version) | |||
1898 | max_physical_apicid = apicid; | 1892 | max_physical_apicid = apicid; |
1899 | 1893 | ||
1900 | #ifdef CONFIG_X86_32 | 1894 | #ifdef CONFIG_X86_32 |
1901 | /* | 1895 | if (num_processors > 8) { |
1902 | * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y | ||
1903 | * but we need to work other dependencies like SMP_SUSPEND etc | ||
1904 | * before this can be done without some confusion. | ||
1905 | * if (CPU_HOTPLUG_ENABLED || num_processors > 8) | ||
1906 | * - Ashok Raj <ashok.raj@intel.com> | ||
1907 | */ | ||
1908 | if (max_physical_apicid >= 8) { | ||
1909 | switch (boot_cpu_data.x86_vendor) { | 1896 | switch (boot_cpu_data.x86_vendor) { |
1910 | case X86_VENDOR_INTEL: | 1897 | case X86_VENDOR_INTEL: |
1911 | if (!APIC_XAPIC(version)) { | 1898 | if (!APIC_XAPIC(version)) { |