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Merge branch 'pm-opp' into pm-cpufreq

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This commit is contained in:
Rafael J. Wysocki
2016-02-11 00:24:00 +01:00
parent c89f2682a3 6a0712f6f1
commit b2a3b193b7
467 changed files with 4185 additions and 55313 deletions
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kernel/memremap.c
+12 -8
View File
@@ -150,7 +150,7 @@ void devm_memunmap(struct device *dev, void *addr)
}
EXPORT_SYMBOL(devm_memunmap);
pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags)
pfn_t phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
{
return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags);
}
@@ -183,7 +183,11 @@ EXPORT_SYMBOL(put_zone_device_page);
static void pgmap_radix_release(struct resource *res)
{
resource_size_t key;
resource_size_t key, align_start, align_size, align_end;
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
align_end = align_start + align_size - 1;
mutex_lock(&pgmap_lock);
for (key = res->start; key <= res->end; key += SECTION_SIZE)
@@ -226,12 +230,11 @@ static void devm_memremap_pages_release(struct device *dev, void *data)
percpu_ref_put(pgmap->ref);
}
pgmap_radix_release(res);
/* pages are dead and unused, undo the arch mapping */
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
arch_remove_memory(align_start, align_size);
pgmap_radix_release(res);
dev_WARN_ONCE(dev, pgmap->altmap && pgmap->altmap->alloc,
"%s: failed to free all reserved pages\n", __func__);
}
@@ -267,7 +270,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
{
int is_ram = region_intersects(res->start, resource_size(res),
"System RAM");
resource_size_t key, align_start, align_size;
resource_size_t key, align_start, align_size, align_end;
struct dev_pagemap *pgmap;
struct page_map *page_map;
unsigned long pfn;
@@ -309,7 +312,10 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
mutex_lock(&pgmap_lock);
error = 0;
for (key = res->start; key <= res->end; key += SECTION_SIZE) {
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
align_end = align_start + align_size - 1;
for (key = align_start; key <= align_end; key += SECTION_SIZE) {
struct dev_pagemap *dup;
rcu_read_lock();
@@ -336,8 +342,6 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
if (nid < 0)
nid = numa_mem_id();
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(resource_size(res), SECTION_SIZE);
error = arch_add_memory(nid, align_start, align_size, true);
if (error)
goto err_add_memory;
kernel/signal.c
+4 -2
View File
@@ -3508,8 +3508,10 @@ static int sigsuspend(sigset_t *set)
current->saved_sigmask = current->blocked;
set_current_blocked(set);
__set_current_state(TASK_INTERRUPTIBLE);
schedule();
while (!signal_pending(current)) {
__set_current_state(TASK_INTERRUPTIBLE);
schedule();
}
set_restore_sigmask();
return -ERESTARTNOHAND;
}
kernel/trace/trace_stack.c
+7
View File
@@ -125,6 +125,13 @@ check_stack(unsigned long ip, unsigned long *stack)
break;
}
/*
* Some archs may not have the passed in ip in the dump.
* If that happens, we need to show everything.
*/
if (i == stack_trace_max.nr_entries)
i = 0;
/*
* Now find where in the stack these are.
*/