提交 d7169160 编写于 作者: A Andi Kleen 提交者: Linus Torvalds

[PATCH] i386: Use bigsmp for > 8 core Opteron systems

bigsmp is reported to work on large Opteron systems on 32bit too.
Enable it by default there.
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 252ec9e2
......@@ -220,8 +220,9 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m)
num_processors++;
if ((num_processors > 8) &&
APIC_XAPIC(ver) &&
(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL))
((APIC_XAPIC(ver) &&
(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)) ||
(boot_cpu_data.x86_vendor == X86_VENDOR_AMD)))
def_to_bigsmp = 1;
else
def_to_bigsmp = 0;
......
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