Merge commit 'v2.6.37-rc8' into x86/apic

Conflicts:
	arch/x86/include/asm/io_apic.h

Merge reason: move to a fresh -rc, resolve the conflict.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 48 insertions, 18 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index f19d6679600f..7235e5fbdb6d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -518,35 +518,62 @@ int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi)
         return 0;
 }
 
-/*
- * success: return IRQ number (>=0)
- * failure: return < 0
- */
-int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
+static int acpi_register_gsi_pic(struct device *dev, u32 gsi,
+                                 int trigger, int polarity)
 {
-        unsigned int irq;
-        unsigned int plat_gsi = gsi;
-
 #ifdef CONFIG_PCI
         /*
          * Make sure all (legacy) PCI IRQs are set as level-triggered.
          */
-        if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
-                if (trigger == ACPI_LEVEL_SENSITIVE)
-                        eisa_set_level_irq(gsi);
-        }
+        if (trigger == ACPI_LEVEL_SENSITIVE)
+                eisa_set_level_irq(gsi);
 #endif
 
+        return gsi;
+}
+
+static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
+                                    int trigger, int polarity)
+{
 #ifdef CONFIG_X86_IO_APIC
-        if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) {
-                plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity);
-        }
+        gsi = mp_register_gsi(dev, gsi, trigger, polarity);
 #endif
+
+        return gsi;
+}
+
+int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
+                           int trigger, int polarity) = acpi_register_gsi_pic;
+
+/*
+ * success: return IRQ number (>=0)
+ * failure: return < 0
+ */
+int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
+{
+        unsigned int irq;
+        unsigned int plat_gsi = gsi;
+
+        plat_gsi = (*__acpi_register_gsi)(dev, gsi, trigger, polarity);
         irq = gsi_to_irq(plat_gsi);
 
         return irq;
 }
 
+void __init acpi_set_irq_model_pic(void)
+{
+        acpi_irq_model = ACPI_IRQ_MODEL_PIC;
+        __acpi_register_gsi = acpi_register_gsi_pic;
+        acpi_ioapic = 0;
+}
+
+void __init acpi_set_irq_model_ioapic(void)
+{
+        acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
+        __acpi_register_gsi = acpi_register_gsi_ioapic;
+        acpi_ioapic = 1;
+}
+
 /*
  *  ACPI based hotplug support for CPU
  */
@@ -1264,8 +1291,7 @@ static void __init acpi_process_madt(void)
                          */
                         error = acpi_parse_madt_ioapic_entries();
                         if (!error) {
-                                acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
-                                acpi_ioapic = 1;
+                                acpi_set_irq_model_ioapic();
 
                                 smp_found_config = 1;
                         }
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index e1252074ea40..69fd72aa5594 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -13,6 +13,10 @@
 #include <asm/segment.h>
 #include <asm/desc.h>
 
+#ifdef CONFIG_X86_32
+#include <asm/pgtable.h>
+#endif
+
 #include "realmode/wakeup.h"
 #include "sleep.h"
 
@@ -91,7 +95,7 @@ int acpi_save_state_mem(void)
 
 #ifndef CONFIG_64BIT
         header->pmode_entry = (u32)&wakeup_pmode_return;
-        header->pmode_cr3 = (u32)(swsusp_pg_dir - __PAGE_OFFSET);
+        header->pmode_cr3 = (u32)__pa(&initial_page_table);
         saved_magic = 0x12345678;
 #else /* CONFIG_64BIT */
         header->trampoline_segment = setup_trampoline() >> 4;