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authorAndi Kleen <ak@suse.de>2005-09-12 18:49:24 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:49:55 -0700
commit5a40b7c2abdedcf53c9a6ee790991acfcef5b6c7 (patch)
treee326a2d01c30be580c14bd6c74c19a2807c1cdad /arch/x86_64/kernel/apic.c
parent61c11341ed798db9b99b30c1711c1cf458457806 (diff)
downloadop-kernel-dev-5a40b7c2abdedcf53c9a6ee790991acfcef5b6c7.zip
op-kernel-dev-5a40b7c2abdedcf53c9a6ee790991acfcef5b6c7.tar.gz
[PATCH] x86-64: Remove code for outdated APICs
No x86-64 chipset has these APICs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/apic.c')
-rw-r--r--arch/x86_64/kernel/apic.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 9af0cc3..fc84bea 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -109,11 +109,8 @@ void clear_local_APIC(void)
if (maxlvt >= 4)
apic_write_around(APIC_LVTPC, APIC_LVT_MASKED);
v = GET_APIC_VERSION(apic_read(APIC_LVR));
- if (APIC_INTEGRATED(v)) { /* !82489DX */
- if (maxlvt > 3) /* Due to Pentium errata 3AP and 11AP. */
- apic_write(APIC_ESR, 0);
- apic_read(APIC_ESR);
- }
+ apic_write(APIC_ESR, 0);
+ apic_read(APIC_ESR);
}
void __init connect_bsp_APIC(void)
@@ -316,8 +313,6 @@ void __init init_bsp_APIC(void)
*/
apic_write_around(APIC_LVT0, APIC_DM_EXTINT);
value = APIC_DM_NMI;
- if (!APIC_INTEGRATED(ver)) /* 82489DX */
- value |= APIC_LVT_LEVEL_TRIGGER;
apic_write_around(APIC_LVT1, value);
}
@@ -422,15 +417,11 @@ void __cpuinit setup_local_APIC (void)
value = APIC_DM_NMI;
else
value = APIC_DM_NMI | APIC_LVT_MASKED;
- if (!APIC_INTEGRATED(ver)) /* 82489DX */
- value |= APIC_LVT_LEVEL_TRIGGER;
apic_write_around(APIC_LVT1, value);
{
unsigned oldvalue;
maxlvt = get_maxlvt();
- if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
- apic_write(APIC_ESR, 0);
oldvalue = apic_read(APIC_ESR);
value = ERROR_APIC_VECTOR; // enables sending errors
apic_write_around(APIC_LVTERR, value);
@@ -674,8 +665,6 @@ static void __setup_APIC_LVTT(unsigned int clocks)
ver = GET_APIC_VERSION(apic_read(APIC_LVR));
lvtt_value = APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR;
- if (!APIC_INTEGRATED(ver))
- lvtt_value |= SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV);
apic_write_around(APIC_LVTT, lvtt_value);
/*
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