aboutsummaryrefslogtreecommitdiff
path: root/arch/i386
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/apm.c6
-rw-r--r--arch/i386/kernel/e820.c2
-rw-r--r--arch/i386/kernel/microcode.c2
-rw-r--r--arch/i386/kernel/process.c7
-rw-r--r--arch/i386/kernel/ptrace.c21
-rw-r--r--arch/i386/kernel/setup.c2
-rw-r--r--arch/i386/mm/discontig.c28
-rw-r--r--arch/i386/mm/init.c10
-rw-r--r--arch/i386/pci/fixup.c13
9 files changed, 64 insertions, 27 deletions
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index b75cff25de4b..199016927541 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -785,7 +785,11 @@ static int apm_do_idle(void)
polling = !!(current_thread_info()->status & TS_POLLING);
if (polling) {
current_thread_info()->status &= ~TS_POLLING;
- smp_mb__after_clear_bit();
+ /*
+ * TS_POLLING-cleared state must be visible before we
+ * test NEED_RESCHED:
+ */
+ smp_mb();
}
if (!need_resched()) {
idled = 1;
diff --git a/arch/i386/kernel/e820.c b/arch/i386/kernel/e820.c
index 2f7d0a92fd7c..f391abcf7da9 100644
--- a/arch/i386/kernel/e820.c
+++ b/arch/i386/kernel/e820.c
@@ -668,7 +668,7 @@ void __init register_bootmem_low_pages(unsigned long max_low_pfn)
}
}
-void __init register_memory(void)
+void __init e820_register_memory(void)
{
unsigned long gapstart, gapsize, round;
unsigned long long last;
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index 47ffec57c0cb..c8fa13721bcb 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -722,7 +722,7 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
return NOTIFY_OK;
}
-static struct notifier_block mc_cpu_notifier = {
+static struct notifier_block __cpuinitdata mc_cpu_notifier = {
.notifier_call = mc_cpu_callback,
};
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 99308510a17c..c641056233a6 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -102,7 +102,12 @@ void default_idle(void)
{
if (!hlt_counter && boot_cpu_data.hlt_works_ok) {
current_thread_info()->status &= ~TS_POLLING;
- smp_mb__after_clear_bit();
+ /*
+ * TS_POLLING-cleared state must be visible before we
+ * test NEED_RESCHED:
+ */
+ smp_mb();
+
local_irq_disable();
if (!need_resched())
safe_halt(); /* enables interrupts racelessly */
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index f3f94ac5736a..af8aabe85800 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -45,7 +45,7 @@
/*
* Offset of eflags on child stack..
*/
-#define EFL_OFFSET ((EFL-2)*4-sizeof(struct pt_regs))
+#define EFL_OFFSET offsetof(struct pt_regs, eflags)
static inline struct pt_regs *get_child_regs(struct task_struct *task)
{
@@ -54,24 +54,24 @@ static inline struct pt_regs *get_child_regs(struct task_struct *task)
}
/*
- * this routine will get a word off of the processes privileged stack.
- * the offset is how far from the base addr as stored in the TSS.
- * this routine assumes that all the privileged stacks are in our
+ * This routine will get a word off of the processes privileged stack.
+ * the offset is bytes into the pt_regs structure on the stack.
+ * This routine assumes that all the privileged stacks are in our
* data space.
*/
static inline int get_stack_long(struct task_struct *task, int offset)
{
unsigned char *stack;
- stack = (unsigned char *)task->thread.esp0;
+ stack = (unsigned char *)task->thread.esp0 - sizeof(struct pt_regs);
stack += offset;
return (*((int *)stack));
}
/*
- * this routine will put a word on the processes privileged stack.
- * the offset is how far from the base addr as stored in the TSS.
- * this routine assumes that all the privileged stacks are in our
+ * This routine will put a word on the processes privileged stack.
+ * the offset is bytes into the pt_regs structure on the stack.
+ * This routine assumes that all the privileged stacks are in our
* data space.
*/
static inline int put_stack_long(struct task_struct *task, int offset,
@@ -79,7 +79,7 @@ static inline int put_stack_long(struct task_struct *task, int offset,
{
unsigned char * stack;
- stack = (unsigned char *) task->thread.esp0;
+ stack = (unsigned char *)task->thread.esp0 - sizeof(struct pt_regs);
stack += offset;
*(unsigned long *) stack = data;
return 0;
@@ -114,7 +114,7 @@ static int putreg(struct task_struct *child,
}
if (regno > ES*4)
regno -= 1*4;
- put_stack_long(child, regno - sizeof(struct pt_regs), value);
+ put_stack_long(child, regno, value);
return 0;
}
@@ -137,7 +137,6 @@ static unsigned long getreg(struct task_struct *child,
default:
if (regno > ES*4)
regno -= 1*4;
- regno = regno - sizeof(struct pt_regs);
retval &= get_stack_long(child, regno);
}
return retval;
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 79df6e612dbd..6f6cb7b31d18 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -639,7 +639,7 @@ void __init setup_arch(char **cmdline_p)
get_smp_config();
#endif
- register_memory();
+ e820_register_memory();
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index 103b76e56a94..e0c390d6ceb5 100644
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -405,3 +405,31 @@ void __init set_highmem_pages_init(int bad_ppro)
totalram_pages += totalhigh_pages;
#endif
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+int paddr_to_nid(u64 addr)
+{
+ int nid;
+ unsigned long pfn = PFN_DOWN(addr);
+
+ for_each_node(nid)
+ if (node_start_pfn[nid] <= pfn &&
+ pfn < node_end_pfn[nid])
+ return nid;
+
+ return -1;
+}
+
+/*
+ * This function is used to ask node id BEFORE memmap and mem_section's
+ * initialization (pfn_to_nid() can't be used yet).
+ * If _PXM is not defined on ACPI's DSDT, node id must be found by this.
+ */
+int memory_add_physaddr_to_nid(u64 addr)
+{
+ int nid = paddr_to_nid(addr);
+ return (nid >= 0) ? nid : 0;
+}
+
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
+#endif
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 84697dfc7348..60a7e57af197 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -673,16 +673,10 @@ void __init mem_init(void)
#endif
}
-/*
- * this is for the non-NUMA, single node SMP system case.
- * Specifically, in the case of x86, we will always add
- * memory to the highmem for now.
- */
#ifdef CONFIG_MEMORY_HOTPLUG
-#ifndef CONFIG_NEED_MULTIPLE_NODES
int arch_add_memory(int nid, u64 start, u64 size)
{
- struct pglist_data *pgdata = &contig_page_data;
+ struct pglist_data *pgdata = NODE_DATA(nid);
struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM;
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
@@ -694,7 +688,7 @@ int remove_memory(u64 start, u64 size)
{
return -EINVAL;
}
-#endif
+EXPORT_SYMBOL_GPL(remove_memory);
#endif
struct kmem_cache *pgd_cache;
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index cde1170b01a1..8053b17ab647 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -115,7 +115,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, pci
#define VIA_8363_KL133_REVISION_ID 0x81
#define VIA_8363_KM133_REVISION_ID 0x84
-static void __devinit pci_fixup_via_northbridge_bug(struct pci_dev *d)
+static void pci_fixup_via_northbridge_bug(struct pci_dev *d)
{
u8 v;
u8 revision;
@@ -151,6 +151,10 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8622, pci_fixup_via_northbridge_bug);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, pci_fixup_via_northbridge_bug);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8622, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug);
/*
* For some reasons Intel decided that certain parts of their
@@ -181,7 +185,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_fixup_transparent_
* issue another HALT within 80 ns of the initial HALT, the failure condition
* is avoided.
*/
-static void __init pci_fixup_nforce2(struct pci_dev *dev)
+static void pci_fixup_nforce2(struct pci_dev *dev)
{
u32 val;
@@ -204,6 +208,7 @@ static void __init pci_fixup_nforce2(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci_fixup_nforce2);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci_fixup_nforce2);
/* Max PCI Express root ports */
#define MAX_PCIEROOT 6
@@ -419,7 +424,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_TI, 0x8032,
* 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)
+static void pci_early_fixup_cyrix_5530(struct pci_dev *dev)
{
u8 r;
/* clear 'F4 Video Configuration Trap' bit */
@@ -429,3 +434,5 @@ static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
pci_early_fixup_cyrix_5530);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
+ pci_early_fixup_cyrix_5530);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 22:10:04 +0000