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x86: apic unification - merge down lapic_get_maxlvt

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No code change on binary level.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: macro@linux-mips.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-07-24 13:52:28 +02:00 • committed by Ingo Molnar
parent 32f71aff77
commit 36a028de78
2 changed files with 12 additions and 5 deletions
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8
arch/x86/kernel/apic_32.c
View file

@ -193,9 +193,13 @@ int get_physical_broadcast(void)
*/ */
int lapic_get_maxlvt(void) int lapic_get_maxlvt(void)
{ {
unsigned int v = apic_read(APIC_LVR); unsigned int v;
/* 82489DXs do not report # of LVT entries. */ v = apic_read(APIC_LVR);
/*
* - we always have APIC integrated on 64bit mode
* - 82489DXs do not report # of LVT entries
*/
return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
} }

9
arch/x86/kernel/apic_64.c
View file

@ -158,11 +158,14 @@ void __cpuinit enable_NMI_through_LVT0(void)
*/ */
int lapic_get_maxlvt(void) int lapic_get_maxlvt(void)
{ {
unsigned int v, maxlvt; unsigned int v;
v = apic_read(APIC_LVR); v = apic_read(APIC_LVR);
maxlvt = GET_APIC_MAXLVT(v); /*
return maxlvt; * - we always have APIC integrated on 64bit mode
* - 82489DXs do not report # of LVT entries
*/
return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
} }
/* /*