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authorAndi Kleen <ak@suse.de>2005-09-12 18:49:23 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:49:55 -0700
commit61c11341ed798db9b99b30c1711c1cf458457806 (patch)
tree2e5ff34ede24ca3e88b5f49170fb1b717b80c080
parenteddfb4ed290383abf912630fa8dac5acf65c9e55 (diff)
[PATCH] x86-64: Remove esr disable hack in APIC code
This was just needed for the Numasaurus, which fortunately doesn't support x86-64 CPUs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/apic.c21
-rw-r--r--include/asm-x86_64/apic.h1
2 files changed, 1 insertions, 21 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 375d369570c..9af0cc3e2cc 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -325,14 +325,6 @@ void __cpuinit setup_local_APIC (void)
{
unsigned int value, ver, maxlvt;
- /* Pound the ESR really hard over the head with a big hammer - mbligh */
- if (esr_disable) {
- apic_write(APIC_ESR, 0);
- apic_write(APIC_ESR, 0);
- apic_write(APIC_ESR, 0);
- apic_write(APIC_ESR, 0);
- }
-
value = apic_read(APIC_LVR);
ver = GET_APIC_VERSION(value);
@@ -434,7 +426,7 @@ void __cpuinit setup_local_APIC (void)
value |= APIC_LVT_LEVEL_TRIGGER;
apic_write_around(APIC_LVT1, value);
- if (APIC_INTEGRATED(ver) && !esr_disable) { /* !82489DX */
+ {
unsigned oldvalue;
maxlvt = get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
@@ -452,17 +444,6 @@ void __cpuinit setup_local_APIC (void)
apic_printk(APIC_VERBOSE,
"ESR value after enabling vector: %08x, after %08x\n",
oldvalue, value);
- } else {
- if (esr_disable)
- /*
- * Something untraceble is creating bad interrupts on
- * secondary quads ... for the moment, just leave the
- * ESR disabled - we can't do anything useful with the
- * errors anyway - mbligh
- */
- apic_printk(APIC_DEBUG, "Leaving ESR disabled.\n");
- else
- apic_printk(APIC_DEBUG, "No ESR for 82489DX.\n");
}
nmi_watchdog_default();
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index 16ec82e16b2..1559d78894a 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -111,7 +111,6 @@ extern unsigned int nmi_watchdog;
#endif /* CONFIG_X86_LOCAL_APIC */
-#define esr_disable 0
extern unsigned boot_cpu_id;
#endif /* __ASM_APIC_H */