7 files changed, 72 insertions, 38 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index d5d0df7f04fc..cbde675bc95c 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -702,6 +702,15 @@ config PHYSICAL_START
 
           Don't change this unless you know what you are doing.
 
+config HOTPLUG_CPU
+        bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+        depends on SMP && HOTPLUG && EXPERIMENTAL
+        ---help---
+          Say Y here to experiment with turning CPUs off and on.  CPUs
+          can be controlled through /sys/devices/system/cpu.
+
+          Say N.
+
 endmenu
 
 
@@ -988,15 +997,6 @@ config SCx200
           This support is also available as a module.  If compiled as a
           module, it will be called scx200.
 
-config HOTPLUG_CPU
-        bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
-        depends on SMP && HOTPLUG && EXPERIMENTAL
-        ---help---
-          Say Y here to experiment with turning CPUs off and on.  CPUs
-          can be controlled through /sys/devices/system/cpu.
-
-          Say N.
-
 source "drivers/pcmcia/Kconfig"
 
 source "drivers/pci/hotplug/Kconfig"
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index d3c0409d201c..36bef6543ac1 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -37,14 +37,11 @@ CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
 # CPU-specific tuning. Anything which can be shared with UML should go here.
 include $(srctree)/arch/i386/Makefile.cpu
 
-# -mregparm=3 works ok on gcc-3.0 and later
-#
-cflags-$(CONFIG_REGPARM) += $(shell if [ $(call cc-version) -ge 0300 ] ; then \
-                            echo "-mregparm=3"; fi ;)
+cflags-$(CONFIG_REGPARM) += -mregparm=3
 
-# Disable unit-at-a-time mode, it makes gcc use a lot more stack
-# due to the lack of sharing of stacklots.
-CFLAGS += $(call cc-option,-fno-unit-at-a-time)
+# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
+# a lot more stack due to the lack of sharing of stacklots:
+CFLAGS                          += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
 
 CFLAGS += $(cflags-y)
 
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 0fbbd4c1072e..e11a09207ec8 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -980,7 +980,7 @@ static int powernowk8_verify(struct cpufreq_policy *pol)
 }
 
 /* per CPU init entry point to the driver */
-static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
+static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
         struct powernow_k8_data *data;
         cpumask_t oldmask = CPU_MASK_ALL;
@@ -1141,7 +1141,7 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
 };
 
 /* driver entry point for init */
-static int __init powernowk8_init(void)
+static int __cpuinit powernowk8_init(void)
 {
         unsigned int i, supported_cpus = 0;
 
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index b9f0030a2ebb..0aaebf3e1cfa 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -112,33 +112,38 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
                 p < (void *)tinfo + THREAD_SIZE - 3;
 }
 
+static void print_addr_and_symbol(unsigned long addr, char *log_lvl)
+{
+        printk(log_lvl);
+        printk(" [<%08lx>] ", addr);
+        print_symbol("%s", addr);
+        printk("\n");
+}
+
 static inline unsigned long print_context_stack(struct thread_info *tinfo,
-                                unsigned long *stack, unsigned long ebp)
+                                unsigned long *stack, unsigned long ebp,
+                                char *log_lvl)
 {
         unsigned long addr;
 
 #ifdef  CONFIG_FRAME_POINTER
         while (valid_stack_ptr(tinfo, (void *)ebp)) {
                 addr = *(unsigned long *)(ebp + 4);
-                printk(KERN_EMERG " [<%08lx>] ", addr);
-                print_symbol("%s", addr);
-                printk("\n");
+                print_addr_and_symbol(addr, log_lvl);
                 ebp = *(unsigned long *)ebp;
         }
 #else
         while (valid_stack_ptr(tinfo, stack)) {
                 addr = *stack++;
-                if (__kernel_text_address(addr)) {
-                        printk(KERN_EMERG " [<%08lx>]", addr);
-                        print_symbol(" %s", addr);
-                        printk("\n");
-                }
+                if (__kernel_text_address(addr))
+                        print_addr_and_symbol(addr, log_lvl);
         }
 #endif
         return ebp;
 }
 
-void show_trace(struct task_struct *task, unsigned long * stack)
+static void show_trace_log_lvl(struct task_struct *task,
+                               unsigned long *stack, char *log_lvl)
 {
         unsigned long ebp;
 
@@ -157,7 +162,7 @@ void show_trace(struct task_struct *task, unsigned long * stack)
                 struct thread_info *context;
                 context = (struct thread_info *)
                         ((unsigned long)stack & (~(THREAD_SIZE - 1)));
-                ebp = print_context_stack(context, stack, ebp);
+                ebp = print_context_stack(context, stack, ebp, log_lvl);
                 stack = (unsigned long*)context->previous_esp;
                 if (!stack)
                         break;
@@ -165,7 +170,13 @@ void show_trace(struct task_struct *task, unsigned long * stack)
         }
 }
 
-void show_stack(struct task_struct *task, unsigned long *esp)
+void show_trace(struct task_struct *task, unsigned long * stack)
+{
+        show_trace_log_lvl(task, stack, "");
+}
+
+static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp,
+                               char *log_lvl)
 {
         unsigned long *stack;
         int i;
@@ -178,16 +189,26 @@ void show_stack(struct task_struct *task, unsigned long *esp)
         }
 
         stack = esp;
-        printk(KERN_EMERG);
+        printk(log_lvl);
         for(i = 0; i < kstack_depth_to_print; i++) {
                 if (kstack_end(stack))
                         break;
-                if (i && ((i % 8) == 0))
-                        printk("\n" KERN_EMERG "       ");
+                if (i && ((i % 8) == 0)) {
+                        printk("\n");
+                        printk(log_lvl);
+                        printk("       ");
+                }
                 printk("%08lx ", *stack++);
         }
-        printk("\n" KERN_EMERG "Call Trace:\n");
-        show_trace(task, esp);
+        printk("\n");
+        printk(log_lvl);
+        printk("Call Trace:\n");
+        show_trace_log_lvl(task, esp, log_lvl);
+}
+
+void show_stack(struct task_struct *task, unsigned long *esp)
+{
+        show_stack_log_lvl(task, esp, "");
 }
 
 /*
@@ -238,7 +259,7 @@ void show_registers(struct pt_regs *regs)
                 u8 __user *eip;
 
                 printk("\n" KERN_EMERG "Stack: ");
-                show_stack(NULL, (unsigned long*)esp);
+                show_stack_log_lvl(NULL, (unsigned long *)esp, KERN_EMERG);
 
                 printk(KERN_EMERG "Code: ");
 
diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c
index 0c90ae54ddfa..f51c894a7da5 100644
--- a/arch/i386/kernel/vm86.c
+++ b/arch/i386/kernel/vm86.c
@@ -4,7 +4,7 @@
  *  Copyright (C) 1994  Linus Torvalds
  *
  *  29 dec 2001 - Fixed oopses caused by unchecked access to the vm86
- *                stack - Manfred Spraul <manfreds@colorfullife.com>
+ *                stack - Manfred Spraul <manfred@colorfullife.com>
  *
  *  22 mar 2002 - Manfred detected the stackfaults, but didn't handle
  *                them correctly. Now the emulation will be in a
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 7df494b51a5b..2700f01994ba 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -268,7 +268,7 @@ static void __init permanent_kmaps_init(pgd_t *pgd_base)
         pkmap_page_table = pte; 
 }
 
-static void __devinit free_new_highpage(struct page *page)
+static void __meminit free_new_highpage(struct page *page)
 {
         set_page_count(page, 1);
         __free_page(page);
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index 65f67070db64..83c3645ccc43 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -449,3 +449,19 @@ static void __devinit pci_post_fixup_toshiba_ohci1394(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_TI, 0x8032,
                          pci_post_fixup_toshiba_ohci1394);
+
+
+/*
+ * Prevent the BIOS trapping accesses to the Cyrix CS5530A video device
+ * configuration space.
+ */
+static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev)
+{
+        u8 r;
+        /* clear 'F4 Video Configuration Trap' bit */
+        pci_read_config_byte(dev, 0x42, &r);
+        r &= 0xfd;
+        pci_write_config_byte(dev, 0x42, r);
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
+                        pci_early_fixup_cyrix_5530);