Merge commit 'v2.6.27-rc1' into x86/microcode
Conflicts:
arch/x86/kernel/microcode.c
Manual resolutions:
arch/x86/kernel/microcode_amd.c
arch/x86/kernel/microcode_intel.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7bb4617..0e5bf1e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -30,6 +30,7 @@
select HAVE_FTRACE
select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
select HAVE_ARCH_KGDB if !X86_VOYAGER
+ select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_EFFICIENT_UNALIGNED_ACCESS
config ARCH_DEFCONFIG
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 9220cf4..c2502eb 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -73,7 +73,6 @@
struct cpuinfo_x86 *c = &cpu_data(cpu);
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(new_mask, cpu);
int retval;
unsigned int eax, ebx, ecx, edx;
unsigned int edx_part;
@@ -92,7 +91,7 @@
/* Make sure we are running on right CPU */
saved_mask = current->cpus_allowed;
- retval = set_cpus_allowed_ptr(current, new_mask);
+ retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (retval)
return -1;
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 7469740..22d7d05 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -29,9 +29,6 @@
#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
-#define to_pages(addr, size) \
- (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)
-
#define EXIT_LOOP_COUNT 10000000
static DEFINE_RWLOCK(amd_iommu_devtable_lock);
@@ -185,7 +182,7 @@
u64 address, size_t size)
{
int s = 0;
- unsigned pages = to_pages(address, size);
+ unsigned pages = iommu_num_pages(address, size);
address &= PAGE_MASK;
@@ -557,8 +554,8 @@
if (iommu->exclusion_start &&
iommu->exclusion_start < dma_dom->aperture_size) {
unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT;
- int pages = to_pages(iommu->exclusion_start,
- iommu->exclusion_length);
+ int pages = iommu_num_pages(iommu->exclusion_start,
+ iommu->exclusion_length);
dma_ops_reserve_addresses(dma_dom, startpage, pages);
}
@@ -767,7 +764,7 @@
unsigned int pages;
int i;
- pages = to_pages(paddr, size);
+ pages = iommu_num_pages(paddr, size);
paddr &= PAGE_MASK;
address = dma_ops_alloc_addresses(dev, dma_dom, pages);
@@ -802,7 +799,7 @@
if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
return;
- pages = to_pages(dma_addr, size);
+ pages = iommu_num_pages(dma_addr, size);
dma_addr &= PAGE_MASK;
start = dma_addr;
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index ff2fff5..dd097b8 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -200,12 +200,10 @@
static void drv_write(struct drv_cmd *cmd)
{
cpumask_t saved_mask = current->cpus_allowed;
- cpumask_of_cpu_ptr_declare(cpu_mask);
unsigned int i;
for_each_cpu_mask_nr(i, cmd->mask) {
- cpumask_of_cpu_ptr_next(cpu_mask, i);
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
do_drv_write(cmd);
}
@@ -269,12 +267,11 @@
} aperf_cur, mperf_cur;
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(cpu_mask, cpu);
unsigned int perf_percent;
unsigned int retval;
saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (get_cpu() != cpu) {
/* We were not able to run on requested processor */
put_cpu();
@@ -340,7 +337,6 @@
static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
{
- cpumask_of_cpu_ptr(cpu_mask, cpu);
struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
unsigned int freq;
unsigned int cached_freq;
@@ -353,7 +349,7 @@
}
cached_freq = data->freq_table[data->acpi_data->state].frequency;
- freq = extract_freq(get_cur_val(cpu_mask), data);
+ freq = extract_freq(get_cur_val(&cpumask_of_cpu(cpu)), data);
if (freq != cached_freq) {
/*
* The dreaded BIOS frequency change behind our back.
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 53c7b69..c45ca6d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -479,12 +479,11 @@
static int check_supported_cpu(unsigned int cpu)
{
cpumask_t oldmask;
- cpumask_of_cpu_ptr(cpu_mask, cpu);
u32 eax, ebx, ecx, edx;
unsigned int rc = 0;
oldmask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
@@ -1017,7 +1016,6 @@
static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
{
cpumask_t oldmask;
- cpumask_of_cpu_ptr(cpu_mask, pol->cpu);
struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
u32 checkfid;
u32 checkvid;
@@ -1032,7 +1030,7 @@
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1107,7 +1105,6 @@
{
struct powernow_k8_data *data;
cpumask_t oldmask;
- cpumask_of_cpu_ptr_declare(newmask);
int rc;
if (!cpu_online(pol->cpu))
@@ -1159,8 +1156,7 @@
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
- cpumask_of_cpu_ptr_next(newmask, pol->cpu);
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1182,7 +1178,7 @@
set_cpus_allowed_ptr(current, &oldmask);
if (cpu_family == CPU_HW_PSTATE)
- pol->cpus = *newmask;
+ pol->cpus = cpumask_of_cpu(pol->cpu);
else
pol->cpus = per_cpu(cpu_core_map, pol->cpu);
data->available_cores = &(pol->cpus);
@@ -1248,7 +1244,6 @@
{
struct powernow_k8_data *data;
cpumask_t oldmask = current->cpus_allowed;
- cpumask_of_cpu_ptr(newmask, cpu);
unsigned int khz = 0;
unsigned int first;
@@ -1258,7 +1253,7 @@
if (!data)
return -EINVAL;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX
"limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index ca2ac13..15e13c0 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -324,10 +324,9 @@
unsigned l, h;
unsigned clock_freq;
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(new_mask, cpu);
saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, new_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu)
return 0;
@@ -585,15 +584,12 @@
* Best effort undo..
*/
- if (!cpus_empty(*covered_cpus)) {
- cpumask_of_cpu_ptr_declare(new_mask);
-
+ if (!cpus_empty(*covered_cpus))
for_each_cpu_mask_nr(j, *covered_cpus) {
- cpumask_of_cpu_ptr_next(new_mask, j);
- set_cpus_allowed_ptr(current, new_mask);
+ set_cpus_allowed_ptr(current,
+ &cpumask_of_cpu(j));
wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
}
- }
tmp = freqs.new;
freqs.new = freqs.old;
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 2f3728d..191f726 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -244,8 +244,7 @@
static unsigned int speedstep_get(unsigned int cpu)
{
- cpumask_of_cpu_ptr(newmask, cpu);
- return _speedstep_get(newmask);
+ return _speedstep_get(&cpumask_of_cpu(cpu));
}
/**
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 650d40f..6b0a10b 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -516,7 +516,6 @@
unsigned long j;
int retval;
cpumask_t oldmask;
- cpumask_of_cpu_ptr(newmask, cpu);
if (num_cache_leaves == 0)
return -ENOENT;
@@ -527,7 +526,7 @@
return -ENOMEM;
oldmask = current->cpus_allowed;
- retval = set_cpus_allowed_ptr(current, newmask);
+ retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (retval)
goto out;
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 3fee2aa..b68e21f 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -62,12 +62,10 @@
if (reload) {
#ifdef CONFIG_SMP
- cpumask_of_cpu_ptr_declare(mask);
-
preempt_disable();
load_LDT(pc);
- cpumask_of_cpu_ptr_next(mask, smp_processor_id());
- if (!cpus_equal(current->mm->cpu_vm_mask, *mask))
+ if (!cpus_equal(current->mm->cpu_vm_mask,
+ cpumask_of_cpu(smp_processor_id())))
smp_call_function(flush_ldt, current->mm, 1);
preempt_enable();
#else
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 758b958..28dba1a 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -123,7 +123,6 @@
void *new_mc = NULL;
int cpu;
cpumask_t old;
- cpumask_of_cpu_ptr_declare(newmask);
old = current->cpus_allowed;
@@ -140,8 +139,7 @@
if (!uci->valid)
continue;
- cpumask_of_cpu_ptr_next(newmask, cpu);
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
error = microcode_ops->get_matching_microcode(new_mc,
cpu);
if (error < 0)
@@ -236,12 +234,11 @@
static void microcode_init_cpu(int cpu, int resume)
{
cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
old = current->cpus_allowed;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
mutex_lock(µcode_mutex);
microcode_ops->collect_cpu_info(cpu);
if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
@@ -263,13 +260,10 @@
if (end == buf)
return -EINVAL;
if (val == 1) {
- cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
-
- old = current->cpus_allowed;
+ cpumask_t old = current->cpus_allowed;
get_online_cpus();
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
mutex_lock(µcode_mutex);
if (uci->valid)
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index fd9e68e..07e52be 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -445,7 +445,6 @@
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
unsigned int rev;
cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
int err = 0;
/* Check if the microcode is available */
@@ -453,7 +452,7 @@
return 0;
old = current->cpus_allowed;
- set_cpus_allowed(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
/* Check if the microcode we have in memory matches the CPU */
if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 16)
diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c
index 831db53..6da4a85 100644
--- a/arch/x86/kernel/microcode_intel.c
+++ b/arch/x86/kernel/microcode_intel.c
@@ -461,7 +461,6 @@
struct cpuinfo_x86 *c = &cpu_data(cpu);
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
unsigned int val[2];
int err = 0;
@@ -470,7 +469,7 @@
return 0;
old = current->cpus_allowed;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
/* Check if the microcode we have in memory matches the CPU */
if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 3754412..8dbffb8 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -192,124 +192,6 @@
}
early_param("iommu", iommu_setup);
-#ifdef CONFIG_X86_32
-int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
- dma_addr_t device_addr, size_t size, int flags)
-{
- void __iomem *mem_base = NULL;
- int pages = size >> PAGE_SHIFT;
- int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long);
-
- if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0)
- goto out;
- if (!size)
- goto out;
- if (dev->dma_mem)
- goto out;
-
- /* FIXME: this routine just ignores DMA_MEMORY_INCLUDES_CHILDREN */
-
- mem_base = ioremap(bus_addr, size);
- if (!mem_base)
- goto out;
-
- dev->dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
- if (!dev->dma_mem)
- goto out;
- dev->dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
- if (!dev->dma_mem->bitmap)
- goto free1_out;
-
- dev->dma_mem->virt_base = mem_base;
- dev->dma_mem->device_base = device_addr;
- dev->dma_mem->size = pages;
- dev->dma_mem->flags = flags;
-
- if (flags & DMA_MEMORY_MAP)
- return DMA_MEMORY_MAP;
-
- return DMA_MEMORY_IO;
-
- free1_out:
- kfree(dev->dma_mem);
- out:
- if (mem_base)
- iounmap(mem_base);
- return 0;
-}
-EXPORT_SYMBOL(dma_declare_coherent_memory);
-
-void dma_release_declared_memory(struct device *dev)
-{
- struct dma_coherent_mem *mem = dev->dma_mem;
-
- if (!mem)
- return;
- dev->dma_mem = NULL;
- iounmap(mem->virt_base);
- kfree(mem->bitmap);
- kfree(mem);
-}
-EXPORT_SYMBOL(dma_release_declared_memory);
-
-void *dma_mark_declared_memory_occupied(struct device *dev,
- dma_addr_t device_addr, size_t size)
-{
- struct dma_coherent_mem *mem = dev->dma_mem;
- int pos, err;
- int pages = (size + (device_addr & ~PAGE_MASK) + PAGE_SIZE - 1);
-
- pages >>= PAGE_SHIFT;
-
- if (!mem)
- return ERR_PTR(-EINVAL);
-
- pos = (device_addr - mem->device_base) >> PAGE_SHIFT;
- err = bitmap_allocate_region(mem->bitmap, pos, get_order(pages));
- if (err != 0)
- return ERR_PTR(err);
- return mem->virt_base + (pos << PAGE_SHIFT);
-}
-EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
-
-static int dma_alloc_from_coherent_mem(struct device *dev, ssize_t size,
- dma_addr_t *dma_handle, void **ret)
-{
- struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
- int order = get_order(size);
-
- if (mem) {
- int page = bitmap_find_free_region(mem->bitmap, mem->size,
- order);
- if (page >= 0) {
- *dma_handle = mem->device_base + (page << PAGE_SHIFT);
- *ret = mem->virt_base + (page << PAGE_SHIFT);
- memset(*ret, 0, size);
- }
- if (mem->flags & DMA_MEMORY_EXCLUSIVE)
- *ret = NULL;
- }
- return (mem != NULL);
-}
-
-static int dma_release_coherent(struct device *dev, int order, void *vaddr)
-{
- struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
-
- if (mem && vaddr >= mem->virt_base && vaddr <
- (mem->virt_base + (mem->size << PAGE_SHIFT))) {
- int page = (vaddr - mem->virt_base) >> PAGE_SHIFT;
-
- bitmap_release_region(mem->bitmap, page, order);
- return 1;
- }
- return 0;
-}
-#else
-#define dma_alloc_from_coherent_mem(dev, size, handle, ret) (0)
-#define dma_release_coherent(dev, order, vaddr) (0)
-#endif /* CONFIG_X86_32 */
-
int dma_supported(struct device *dev, u64 mask)
{
struct dma_mapping_ops *ops = get_dma_ops(dev);
@@ -379,7 +261,7 @@
/* ignore region specifiers */
gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
- if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory))
+ if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
return memory;
if (!dev) {
@@ -484,7 +366,7 @@
int order = get_order(size);
WARN_ON(irqs_disabled()); /* for portability */
- if (dma_release_coherent(dev, order, vaddr))
+ if (dma_release_from_coherent(dev, order, vaddr))
return;
if (ops->unmap_single)
ops->unmap_single(dev, bus, size, 0);
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 744126e..49285f8 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -67,9 +67,6 @@
(((x) & 0xfffff000) | (((x) >> 32) << 4) | GPTE_VALID | GPTE_COHERENT)
#define GPTE_DECODE(x) (((x) & 0xfffff000) | (((u64)(x) & 0xff0) << 28))
-#define to_pages(addr, size) \
- (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)
-
#define EMERGENCY_PAGES 32 /* = 128KB */
#ifdef CONFIG_AGP
@@ -241,7 +238,7 @@
static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem,
size_t size, int dir)
{
- unsigned long npages = to_pages(phys_mem, size);
+ unsigned long npages = iommu_num_pages(phys_mem, size);
unsigned long iommu_page = alloc_iommu(dev, npages);
int i;
@@ -304,7 +301,7 @@
return;
iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT;
- npages = to_pages(dma_addr, size);
+ npages = iommu_num_pages(dma_addr, size);
for (i = 0; i < npages; i++) {
iommu_gatt_base[iommu_page + i] = gart_unmapped_entry;
CLEAR_LEAK(iommu_page + i);
@@ -387,7 +384,7 @@
}
addr = phys_addr;
- pages = to_pages(s->offset, s->length);
+ pages = iommu_num_pages(s->offset, s->length);
while (pages--) {
iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr);
SET_LEAK(iommu_page);
@@ -470,7 +467,7 @@
seg_size += s->length;
need = nextneed;
- pages += to_pages(s->offset, s->length);
+ pages += iommu_num_pages(s->offset, s->length);
ps = s;
}
if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 06a9f64..724adfc 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -414,25 +414,20 @@
/* The boot cpu is always logical cpu 0 */
int reboot_cpu_id = 0;
- cpumask_of_cpu_ptr(newmask, reboot_cpu_id);
#ifdef CONFIG_X86_32
/* See if there has been given a command line override */
if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
- cpu_online(reboot_cpu)) {
+ cpu_online(reboot_cpu))
reboot_cpu_id = reboot_cpu;
- cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
- }
#endif
/* Make certain the cpu I'm about to reboot on is online */
- if (!cpu_online(reboot_cpu_id)) {
+ if (!cpu_online(reboot_cpu_id))
reboot_cpu_id = smp_processor_id();
- cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
- }
/* Make certain I only run on the appropriate processor */
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(reboot_cpu_id));
/* O.K Now that I'm on the appropriate processor,
* stop all of the others.
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index f7745f9..76e305e 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -80,24 +80,6 @@
#endif
}
-#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
-cpumask_t *cpumask_of_cpu_map __read_mostly;
-EXPORT_SYMBOL(cpumask_of_cpu_map);
-
-/* requires nr_cpu_ids to be initialized */
-static void __init setup_cpumask_of_cpu(void)
-{
- int i;
-
- /* alloc_bootmem zeroes memory */
- cpumask_of_cpu_map = alloc_bootmem_low(sizeof(cpumask_t) * nr_cpu_ids);
- for (i = 0; i < nr_cpu_ids; i++)
- cpu_set(i, cpumask_of_cpu_map[i]);
-}
-#else
-static inline void setup_cpumask_of_cpu(void) { }
-#endif
-
#ifdef CONFIG_X86_32
/*
* Great future not-so-futuristic plan: make i386 and x86_64 do it
@@ -197,9 +179,6 @@
/* Setup node to cpumask map */
setup_node_to_cpumask_map();
-
- /* Setup cpumask_of_cpu map */
- setup_cpumask_of_cpu();
}
#endif
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 8d45fab..ce3251c 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -21,6 +21,7 @@
tristate "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM
select PREEMPT_NOTIFIERS
+ select MMU_NOTIFIER
select ANON_INODES
---help---
Support hosting fully virtualized guest machines using hardware
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 0313a5e..d9249a8 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1014,6 +1014,9 @@
init_pg_tables_start = __pa(pg0);
init_pg_tables_end = __pa(pg0);
+ /* As described in head_32.S, we map the first 128M of memory. */
+ max_pfn_mapped = (128*1024*1024) >> PAGE_SHIFT;
+
/* Load the %fs segment register (the per-cpu segment register) with
* the normal data segment to get through booting. */
asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory");
diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index 3085f25..007bb06 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -223,14 +223,17 @@
struct page **pages)
{
struct mm_struct *mm = current->mm;
- unsigned long end = start + (nr_pages << PAGE_SHIFT);
- unsigned long addr = start;
+ unsigned long addr, len, end;
unsigned long next;
pgd_t *pgdp;
int nr = 0;
+ start &= PAGE_MASK;
+ addr = start;
+ len = (unsigned long) nr_pages << PAGE_SHIFT;
+ end = start + len;
if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
- start, nr_pages*PAGE_SIZE)))
+ start, len)))
goto slow_irqon;
/*
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index ff3a6a3..4bdaa59 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -23,7 +23,8 @@
pci_read_config_byte(d, reg++, &busno);
pci_read_config_byte(d, reg++, &suba);
pci_read_config_byte(d, reg++, &subb);
- DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb);
+ dev_dbg(&d->dev, "i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno,
+ suba, subb);
if (busno)
pci_scan_bus_with_sysdata(busno); /* Bus A */
if (suba < subb)
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index a095058..5807d1b 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -128,10 +128,8 @@
pr = pci_find_parent_resource(dev, r);
if (!r->start || !pr ||
request_resource(pr, r) < 0) {
- printk(KERN_ERR "PCI: Cannot allocate "
- "resource region %d "
- "of bridge %s\n",
- idx, pci_name(dev));
+ dev_err(&dev->dev, "BAR %d: can't "
+ "allocate resource\n", idx);
/*
* Something is wrong with the region.
* Invalidate the resource to prevent
@@ -166,15 +164,15 @@
else
disabled = !(command & PCI_COMMAND_MEMORY);
if (pass == disabled) {
- DBG("PCI: Resource %08lx-%08lx "
- "(f=%lx, d=%d, p=%d)\n",
- r->start, r->end, r->flags, disabled, pass);
+ dev_dbg(&dev->dev, "resource %#08llx-%#08llx "
+ "(f=%lx, d=%d, p=%d)\n",
+ (unsigned long long) r->start,
+ (unsigned long long) r->end,
+ r->flags, disabled, pass);
pr = pci_find_parent_resource(dev, r);
if (!pr || request_resource(pr, r) < 0) {
- printk(KERN_ERR "PCI: Cannot allocate "
- "resource region %d "
- "of device %s\n",
- idx, pci_name(dev));
+ dev_err(&dev->dev, "BAR %d: can't "
+ "allocate resource\n", idx);
/* We'll assign a new address later */
r->end -= r->start;
r->start = 0;
@@ -187,8 +185,7 @@
/* Turn the ROM off, leave the resource region,
* but keep it unregistered. */
u32 reg;
- DBG("PCI: Switching off ROM of %s\n",
- pci_name(dev));
+ dev_dbg(&dev->dev, "disabling ROM\n");
r->flags &= ~IORESOURCE_ROM_ENABLE;
pci_read_config_dword(dev,
dev->rom_base_reg, ®);
@@ -257,8 +254,7 @@
lat = pcibios_max_latency;
else
return;
- printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n",
- pci_name(dev), lat);
+ dev_printk(KERN_DEBUG, &dev->dev, "setting latency timer to %d\n", lat);
pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
}
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 6a06a2e..fec0123 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -436,7 +436,7 @@
{
WARN_ON_ONCE(pirq >= 9);
if (pirq > 8) {
- printk(KERN_INFO "VLSI router pirq escape (%d)\n", pirq);
+ dev_info(&dev->dev, "VLSI router PIRQ escape (%d)\n", pirq);
return 0;
}
return read_config_nybble(router, 0x74, pirq-1);
@@ -446,7 +446,7 @@
{
WARN_ON_ONCE(pirq >= 9);
if (pirq > 8) {
- printk(KERN_INFO "VLSI router pirq escape (%d)\n", pirq);
+ dev_info(&dev->dev, "VLSI router PIRQ escape (%d)\n", pirq);
return 0;
}
write_config_nybble(router, 0x74, pirq-1, irq);
@@ -492,15 +492,17 @@
irq = 0;
if (pirq <= 4)
irq = read_config_nybble(router, 0x56, pirq - 1);
- printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
- dev->vendor, dev->device, pirq, irq);
+ dev_info(&dev->dev,
+ "AMD756: dev [%04x/%04x], router PIRQ %d get IRQ %d\n",
+ dev->vendor, dev->device, pirq, irq);
return irq;
}
static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
{
- printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
- dev->vendor, dev->device, pirq, irq);
+ dev_info(&dev->dev,
+ "AMD756: dev [%04x/%04x], router PIRQ %d set IRQ %d\n",
+ dev->vendor, dev->device, pirq, irq);
if (pirq <= 4)
write_config_nybble(router, 0x56, pirq - 1, irq);
return 1;
@@ -730,7 +732,6 @@
switch (device) {
case PCI_DEVICE_ID_AL_M1533:
case PCI_DEVICE_ID_AL_M1563:
- printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n");
r->name = "ALI";
r->get = pirq_ali_get;
r->set = pirq_ali_set;
@@ -840,11 +841,9 @@
h->probe(r, pirq_router_dev, pirq_router_dev->device))
break;
}
- printk(KERN_INFO "PCI: Using IRQ router %s [%04x/%04x] at %s\n",
- pirq_router.name,
- pirq_router_dev->vendor,
- pirq_router_dev->device,
- pci_name(pirq_router_dev));
+ dev_info(&pirq_router_dev->dev, "%s IRQ router [%04x/%04x]\n",
+ pirq_router.name,
+ pirq_router_dev->vendor, pirq_router_dev->device);
/* The device remains referenced for the kernel lifetime */
}
@@ -877,7 +876,7 @@
/* Find IRQ pin */
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (!pin) {
- DBG(KERN_DEBUG " -> no interrupt pin\n");
+ dev_dbg(&dev->dev, "no interrupt pin\n");
return 0;
}
pin = pin - 1;
@@ -887,20 +886,20 @@
if (!pirq_table)
return 0;
- DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
info = pirq_get_info(dev);
if (!info) {
- DBG(" -> not found in routing table\n" KERN_DEBUG);
+ dev_dbg(&dev->dev, "PCI INT %c not found in routing table\n",
+ 'A' + pin);
return 0;
}
pirq = info->irq[pin].link;
mask = info->irq[pin].bitmap;
if (!pirq) {
- DBG(" -> not routed\n" KERN_DEBUG);
+ dev_dbg(&dev->dev, "PCI INT %c not routed\n", 'A' + pin);
return 0;
}
- DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask,
- pirq_table->exclusive_irqs);
+ dev_dbg(&dev->dev, "PCI INT %c -> PIRQ %02x, mask %04x, excl %04x",
+ 'A' + pin, pirq, mask, pirq_table->exclusive_irqs);
mask &= pcibios_irq_mask;
/* Work around broken HP Pavilion Notebooks which assign USB to
@@ -930,10 +929,8 @@
if (pci_probe & PCI_USE_PIRQ_MASK)
newirq = 0;
else
- printk("\n" KERN_WARNING
- "PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n"
- KERN_DEBUG, newirq,
- pci_name(dev));
+ dev_warn(&dev->dev, "IRQ %d doesn't match PIRQ mask "
+ "%#x; try pci=usepirqmask\n", newirq, mask);
}
if (!newirq && assign) {
for (i = 0; i < 16; i++) {
@@ -944,39 +941,35 @@
newirq = i;
}
}
- DBG(" -> newirq=%d", newirq);
+ dev_dbg(&dev->dev, "PCI INT %c -> newirq %d", 'A' + pin, newirq);
/* Check if it is hardcoded */
if ((pirq & 0xf0) == 0xf0) {
irq = pirq & 0xf;
- DBG(" -> hardcoded IRQ %d\n", irq);
- msg = "Hardcoded";
+ msg = "hardcoded";
} else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {
- DBG(" -> got IRQ %d\n", irq);
- msg = "Found";
+ msg = "found";
eisa_set_level_irq(irq);
} else if (newirq && r->set &&
(dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
- DBG(" -> assigning IRQ %d", newirq);
if (r->set(pirq_router_dev, dev, pirq, newirq)) {
eisa_set_level_irq(newirq);
- DBG(" ... OK\n");
- msg = "Assigned";
+ msg = "assigned";
irq = newirq;
}
}
if (!irq) {
- DBG(" ... failed\n");
if (newirq && mask == (1 << newirq)) {
- msg = "Guessed";
+ msg = "guessed";
irq = newirq;
- } else
+ } else {
+ dev_dbg(&dev->dev, "can't route interrupt\n");
return 0;
+ }
}
- printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq,
- pci_name(dev));
+ dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin, irq);
/* Update IRQ for all devices with the same pirq value */
while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) {
@@ -996,17 +989,17 @@
(!(pci_probe & PCI_USE_PIRQ_MASK) || \
((1 << dev2->irq) & mask))) {
#ifndef CONFIG_PCI_MSI
- printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
- pci_name(dev2), dev2->irq, irq);
+ dev_info(&dev2->dev, "IRQ routing conflict: "
+ "have IRQ %d, want IRQ %d\n",
+ dev2->irq, irq);
#endif
continue;
}
dev2->irq = irq;
pirq_penalty[irq]++;
if (dev != dev2)
- printk(KERN_INFO
- "PCI: Sharing IRQ %d with %s\n",
- irq, pci_name(dev2));
+ dev_info(&dev->dev, "sharing IRQ %d with %s\n",
+ irq, pci_name(dev2));
}
}
return 1;
@@ -1025,8 +1018,7 @@
* already in use.
*/
if (dev->irq >= 16) {
- DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n",
- pci_name(dev), dev->irq);
+ dev_dbg(&dev->dev, "ignoring bogus IRQ %d\n", dev->irq);
dev->irq = 0;
}
/*
@@ -1070,12 +1062,12 @@
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
- printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
- pci_name(bridge), 'A' + pin, irq);
+ dev_warn(&dev->dev, "using bridge %s INT %c to get IRQ %d\n",
+ pci_name(bridge),
+ 'A' + pin, irq);
}
if (irq >= 0) {
- printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
- pci_name(dev), 'A' + pin, irq);
+ dev_info(&dev->dev, "PCI->APIC IRQ transform: INT %c -> IRQ %d\n", 'A' + pin, irq);
dev->irq = irq;
}
}
@@ -1231,25 +1223,24 @@
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
- printk(KERN_WARNING
- "PCI: using PPB %s[%c] to get irq %d\n",
- pci_name(bridge),
- 'A' + pin, irq);
+ dev_warn(&dev->dev, "using bridge %s "
+ "INT %c to get IRQ %d\n",
+ pci_name(bridge), 'A' + pin,
+ irq);
dev = bridge;
}
dev = temp_dev;
if (irq >= 0) {
- printk(KERN_INFO
- "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
- pci_name(dev), 'A' + pin, irq);
+ dev_info(&dev->dev, "PCI->APIC IRQ transform: "
+ "INT %c -> IRQ %d\n", 'A' + pin, irq);
dev->irq = irq;
return 0;
} else
- msg = " Probably buggy MP table.";
+ msg = "; probably buggy MP table";
} else if (pci_probe & PCI_BIOS_IRQ_SCAN)
msg = "";
else
- msg = " Please try using pci=biosirq.";
+ msg = "; please try using pci=biosirq";
/*
* With IDE legacy devices the IRQ lookup failure is not
@@ -1259,9 +1250,8 @@
!(dev->class & 0x5))
return 0;
- printk(KERN_WARNING
- "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
- 'A' + pin, pci_name(dev), msg);
+ dev_warn(&dev->dev, "can't find IRQ for PCI INT %c%s\n",
+ 'A' + pin, msg);
}
return 0;
}
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index f4b16dc..1177845 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -131,13 +131,14 @@
u8 busno, suba, subb;
int quad = BUS2QUAD(d->bus->number);
- printk("PCI: Searching for i450NX host bridges on %s\n", pci_name(d));
+ dev_info(&d->dev, "searching for i450NX host bridges\n");
reg = 0xd0;
for(pxb=0; pxb<2; pxb++) {
pci_read_config_byte(d, reg++, &busno);
pci_read_config_byte(d, reg++, &suba);
pci_read_config_byte(d, reg++, &subb);
- DBG("i450NX PXB %d: %02x/%02x/%02x\n", pxb, busno, suba, subb);
+ dev_dbg(&d->dev, "i450NX PXB %d: %02x/%02x/%02x\n",
+ pxb, busno, suba, subb);
if (busno) {
/* Bus A */
pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, busno));