6 files changed, 25 insertions, 5 deletions

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 838437b2d241..b66c13c0cc0f 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -29,12 +29,12 @@
 #include <linux/efi.h>
 #include <linux/module.h>
 #include <linux/dmi.h>
+#include <linux/irq.h>
 
 #include <asm/pgtable.h>
 #include <asm/io_apic.h>
 #include <asm/apic.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/mpspec.h>
 
 #ifdef  CONFIG_X86_64
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 73aeaf5a9d4e..53a1681cd964 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -28,6 +28,22 @@ static void __init init_amd(struct cpuinfo_x86 *c)
         int mbytes = num_physpages >> (20-PAGE_SHIFT);
         int r;
 
+#ifdef CONFIG_SMP
+        unsigned long long value;
+
+        /* Disable TLB flush filter by setting HWCR.FFDIS on K8
+         * bit 6 of msr C001_0015
+         *
+         * Errata 63 for SH-B3 steppings
+         * Errata 122 for all steppings (F+ have it disabled by default)
+         */
+        if (c->x86 == 15) {
+                rdmsrl(MSR_K7_HWCR, value);
+                value |= 1 << 6;
+                wrmsrl(MSR_K7_HWCR, value);
+        }
+#endif
+
         /*
          *      FIXME: We should handle the K5 here. Set up the write
          *      range and also turn on MSR 83 bits 4 and 31 (write alloc,
diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c
index 1e51427cc9eb..25fe66853934 100644
--- a/arch/i386/kernel/pci-dma.c
+++ b/arch/i386/kernel/pci-dma.c
@@ -23,7 +23,7 @@ struct dma_coherent_mem {
 };
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, unsigned int __nocast gfp)
+                           dma_addr_t *dma_handle, gfp_t gfp)
 {
         void *ret;
         struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c
index 61eb0c8a6e47..adcd069db91e 100644
--- a/arch/i386/kernel/signal.c
+++ b/arch/i386/kernel/signal.c
@@ -338,7 +338,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
                 esp = (unsigned long) ka->sa.sa_restorer;
         }
 
-        return (void __user *)((esp - frame_size) & -8ul);
+        esp -= frame_size;
+        /* Align the stack pointer according to the i386 ABI,
+         * i.e. so that on function entry ((sp + 4) & 15) == 0. */
+        esp = ((esp + 4) & -16ul) - 4;
+        return (void __user *) esp;
 }
 
 /* These symbols are defined with the addresses in the vsyscall page.
diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c
index 7e7a202df3c8..4c4522b43be5 100644
--- a/arch/i386/pci/acpi.c
+++ b/arch/i386/pci/acpi.c
@@ -1,7 +1,7 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/init.h>
-#include <asm/hw_irq.h>
+#include <linux/irq.h>
 #include <asm/numa.h>
 #include "pci.h"
 
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 281ed8ab347a..cddafe33ff7c 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -15,7 +15,7 @@
 #include <asm/io.h>
 #include <asm/smp.h>
 #include <asm/io_apic.h>
-#include <asm/hw_irq.h>
+#include <linux/irq.h>
 #include <linux/acpi.h>
 
 #include "pci.h"