[PATCH] APIC physical broadcast for i82489DX

The physical broadcast ID is determined incorrectly for the i82489DX,
which uses 8-bit physical addressing (32-bit logical).

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index bfa2307c0bb765c1da17569019a315b342021efa..8042a1472501e4a79c77c6b2a3b2c42917cef6de 100644 (file)
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -91,7 +91,7 @@ int get_physical_broadcast(void)
        unsigned int lvr, version;
        lvr = apic_read(APIC_LVR);
        version = GET_APIC_VERSION(lvr);
-       if (version >= 0x14)
+       if (!APIC_INTEGRATED(version) || version >= 0x14)
                return 0xff;
        else
                return 0xf;