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Commit d7169160 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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[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: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 252ec9e2

arch/i386/kernel/mpparse.c

+3 −2
Original line number Diff line number Diff line
@@ -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;