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x86, hibernate: Extract the common code of 64/32 bit system

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Reduce the hibernation code duplication between x86-32 and x86-64
by extracting the common code into hibernate.c.

Currently only pfn_is_nosave() is the activated common
function in hibernate.c

No functional change.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Zhimin Gu <kookoo.gu@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhimin Gu
2018-09-21 14:26:58 +08:00
committed by Rafael J. Wysocki
parent 8e5b2a3c5a
commit 25862a049e
5 changed files with 256 additions and 236 deletions
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8
arch/x86/include/asm/suspend.h
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@@ -4,3 +4,11 @@
#else
# include <asm/suspend_64.h>
#endif
extern unsigned long restore_jump_address __visible;
extern unsigned long jump_address_phys;
extern unsigned long restore_cr3 __visible;
extern unsigned long temp_level4_pgt __visible;
extern unsigned long relocated_restore_code __visible;
extern int relocate_restore_code(void);
/* Defined in hibernate_asm_32/64.S */
extern asmlinkage __visible int restore_image(void);