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Message-Id: <20070629220540.13496.17310.sendpatchset@attica.americas.sgi.com>
Date: Fri, 29 Jun 2007 17:05:40 -0500
From: John Keller <jpk@....com>
To: linux-kernel@...r.kernel.org
Cc: randy.dunlap@...cle.com, akpm@...ux-foundation.org,
steiner@....com, John Keller <jpk@....com>
Subject: [PATCH] - x86_64-add-ioapic-nmi-support-fix-3
Place all the IOACPI NMI support code under CONFIG_ACPI
to clear up build errors with certain configs.
Signed-off-by: John Keller <jpk@....com>
---
arch/x86_64/kernel/io_apic.c | 77 +++++++++++++++++----------------
1 file changed, 40 insertions(+), 37 deletions(-)
Index: linux-2.6.22-rc6/arch/x86_64/kernel/io_apic.c
===================================================================
--- linux-2.6.22-rc6.orig/arch/x86_64/kernel/io_apic.c 2007-06-29 08:56:46.000000000 -0500
+++ linux-2.6.22-rc6/arch/x86_64/kernel/io_apic.c 2007-06-29 10:28:08.109040333 -0500
@@ -76,6 +76,10 @@ struct irq_cfg irq_cfg[NR_IRQS] __read_m
[15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
};
+#ifdef CONFIG_ACPI
+static void setup_ioapic_nmi_irq(int ioapic, int pin,
+ struct IO_APIC_route_entry *entry);
+#endif
static int assign_irq_vector(int irq, cpumask_t mask);
#define __apicdebuginit __init
@@ -1168,9 +1172,6 @@ void __apicdebuginit print_PIC(void)
#endif /* 0 */
-static void setup_ioapic_nmi_irq(int ioapic, int pin,
- struct IO_APIC_route_entry *entry);
-
static void __init enable_IO_APIC(void)
{
union IO_APIC_reg_01 reg_01;
@@ -1211,8 +1212,10 @@ static void __init enable_IO_APIC(void)
continue;
}
+#ifdef CONFIG_ACPI
if (entry.delivery_mode == dest_NMI)
setup_ioapic_nmi_irq(apic, pin, &entry);
+#endif
}
}
@@ -1586,40 +1589,6 @@ static void setup_nmi (void)
printk(" done.\n");
}
-#define disable_nmi_ioapic mask_IO_APIC_irq
-#define enable_nmi_ioapic unmask_IO_APIC_irq
-
-static struct irq_chip nmi_ioapic_chip __read_mostly = {
- .name = "IO-APIC NMI",
- .enable = enable_nmi_ioapic,
- .disable = disable_nmi_ioapic,
- .mask = mask_IO_APIC_irq,
- .unmask = unmask_IO_APIC_irq,
-};
-
-void __init setup_ioapic_nmi_irq(int apic, int pin,
- struct IO_APIC_route_entry *entry)
-{
- int irq;
-
- entry->dest_mode = INT_DEST_MODE;
- entry->dest = cpu_mask_to_apicid(TARGET_CPUS);
- ioapic_write_entry(apic, pin, *entry);
-
- irq = mp_apic_pin_to_gsi(apic, pin);
-
- /* Setup pin_2_irq[irq] entry */
- add_pin_to_irq(irq, apic, pin);
-
- irq_desc[irq].status = IRQ_NOREQUEST | IRQ_NO_BALANCING;
- if (!entry->mask) {
- irq_desc[irq].status &= ~IRQ_DISABLED;
- irq_desc[irq].depth = 0;
- }
-
- set_irq_chip(irq, &nmi_ioapic_chip);
-}
-
/*
* This looks a bit hackish but it's about the only one way of sending
* a few INTA cycles to 8259As and any associated glue logic. ICR does
@@ -2282,6 +2251,40 @@ void __init io_apic_set_nmi_src_irq(int
ioapic_write_entry(ioapic, pin, entry);
}
+#define disable_nmi_ioapic mask_IO_APIC_irq
+#define enable_nmi_ioapic unmask_IO_APIC_irq
+
+static struct irq_chip nmi_ioapic_chip __read_mostly = {
+ .name = "IO-APIC NMI",
+ .enable = enable_nmi_ioapic,
+ .disable = disable_nmi_ioapic,
+ .mask = mask_IO_APIC_irq,
+ .unmask = unmask_IO_APIC_irq,
+};
+
+void __init setup_ioapic_nmi_irq(int apic, int pin,
+ struct IO_APIC_route_entry *entry)
+{
+ int irq;
+
+ entry->dest_mode = INT_DEST_MODE;
+ entry->dest = cpu_mask_to_apicid(TARGET_CPUS);
+ ioapic_write_entry(apic, pin, *entry);
+
+ irq = mp_apic_pin_to_gsi(apic, pin);
+
+ /* Setup pin_2_irq[irq] entry */
+ add_pin_to_irq(irq, apic, pin);
+
+ irq_desc[irq].status = IRQ_NOREQUEST | IRQ_NO_BALANCING;
+ if (!entry->mask) {
+ irq_desc[irq].status &= ~IRQ_DISABLED;
+ irq_desc[irq].depth = 0;
+ }
+
+ set_irq_chip(irq, &nmi_ioapic_chip);
+}
+
#endif /* CONFIG_ACPI */
-
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