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Merge branch 'pm-sleep'

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* pm-sleep:
  PM: hibernate: constify attribute_group structures.
  PM / hibernate: Drop redundant parameter of swsusp_alloc()
  PM / hibernate: Use CONFIG_HAVE_SET_MEMORY for include condition
  x86/power/64: Use char arrays for asm function names
This commit is contained in:
Rafael J. Wysocki 2017-07-03 14:21:33 +02:00
commit 301f8d7463
4 changed files with 11 additions and 13 deletions
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5
arch/x86/include/asm/suspend_64.h
View file

@ -42,8 +42,7 @@ struct saved_context {
set_debugreg((thread)->debugreg##register, register)
/* routines for saving/restoring kernel state */
extern int acpi_save_state_mem(void);
extern char core_restore_code;
extern char restore_registers;
extern char core_restore_code[];
extern char restore_registers[];
#endif /* _ASM_X86_SUSPEND_64_H */

6
arch/x86/power/hibernate_64.c
View file

@ -147,7 +147,7 @@ static int relocate_restore_code(void)
if (!relocated_restore_code)
return -ENOMEM;
memcpy((void *)relocated_restore_code, &core_restore_code, PAGE_SIZE);
memcpy((void *)relocated_restore_code, core_restore_code, PAGE_SIZE);
/* Make the page containing the relocated code executable */
pgd = (pgd_t *)__va(read_cr3()) + pgd_index(relocated_restore_code);
@ -292,8 +292,8 @@ int arch_hibernation_header_save(void *addr, unsigned int max_size)
if (max_size < sizeof(struct restore_data_record))
return -EOVERFLOW;
rdr->jump_address = (unsigned long)&restore_registers;
rdr->jump_address_phys = __pa_symbol(&restore_registers);
rdr->jump_address = (unsigned long)restore_registers;
rdr->jump_address_phys = __pa_symbol(restore_registers);
rdr->cr3 = restore_cr3;
rdr->magic = RESTORE_MAGIC;

2
kernel/power/hibernate.c
View file

@ -1108,7 +1108,7 @@ static struct attribute * g[] = {
};
static struct attribute_group attr_group = {
static const struct attribute_group attr_group = {
.attrs = g,
};

11
kernel/power/snapshot.c
View file

@ -36,13 +36,13 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/io.h>
#ifdef CONFIG_STRICT_KERNEL_RWX
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
#include <asm/set_memory.h>
#endif
#include "power.h"
#ifdef CONFIG_STRICT_KERNEL_RWX
#if defined(CONFIG_STRICT_KERNEL_RWX) && defined(CONFIG_ARCH_HAS_SET_MEMORY)
static bool hibernate_restore_protection;
static bool hibernate_restore_protection_active;
@ -77,7 +77,7 @@ static inline void hibernate_restore_protection_begin(void) {}
static inline void hibernate_restore_protection_end(void) {}
static inline void hibernate_restore_protect_page(void *page_address) {}
static inline void hibernate_restore_unprotect_page(void *page_address) {}
#endif /* CONFIG_STRICT_KERNEL_RWX */
#endif /* CONFIG_STRICT_KERNEL_RWX && CONFIG_ARCH_HAS_SET_MEMORY */
static int swsusp_page_is_free(struct page *);
static void swsusp_set_page_forbidden(struct page *);
@ -1929,8 +1929,7 @@ static inline unsigned int alloc_highmem_pages(struct memory_bitmap *bm,
* also be located in the high memory, because of the way in which
* copy_data_pages() works.
*/
static int swsusp_alloc(struct memory_bitmap *orig_bm,
struct memory_bitmap *copy_bm,
static int swsusp_alloc(struct memory_bitmap *copy_bm,
unsigned int nr_pages, unsigned int nr_highmem)
{
if (nr_highmem > 0) {
@ -1976,7 +1975,7 @@ asmlinkage __visible int swsusp_save(void)
return -ENOMEM;
}
if (swsusp_alloc(&orig_bm, &copy_bm, nr_pages, nr_highmem)) {
if (swsusp_alloc(&copy_bm, nr_pages, nr_highmem)) {
printk(KERN_ERR "PM: Memory allocation failed\n");
return -ENOMEM;
}