Messages in this thread Patch in this message |  | | Date | Mon, 26 Aug 2002 08:21:42 +0200 (SAST) | From | Zwane Mwaikambo <> | Subject | [PATCH][2.5] focus processor bit reserved on P4 |
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This patch is just to comply with the recommendations as stated on p304 of vol3 ie reserved bit should be cleared.
Index: linux-2.5.31/arch/i386/kernel/apic.c =================================================================== RCS file: /build/cvsroot/linux-2.5.31/arch/i386/kernel/apic.c,v retrieving revision 1.1.1.1 diff -u -r1.1.1.1 apic.c --- linux-2.5.31/arch/i386/kernel/apic.c 24 Aug 2002 21:05:08 -0000 1.1.1.1 +++ linux-2.5.31/arch/i386/kernel/apic.c 25 Aug 2002 21:05:06 -0000 @@ -258,7 +258,10 @@ value = apic_read(APIC_SPIV); value &= ~APIC_VECTOR_MASK; value |= APIC_SPIV_APIC_ENABLED; - value |= APIC_SPIV_FOCUS_DISABLED; + if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 == 15)) + value &= ~APIC_SPIV_FOCUS_DISABLED; + else + value |= APIC_SPIV_FOCUS_DISABLED; value |= SPURIOUS_APIC_VECTOR; apic_write_around(APIC_SPIV, value); -- function.linuxpower.ca
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