[PATCH] swsusp: Support i386 systems with PAE or without PSE
Make swsusp support i386 systems with PAE or without PSE.
This is done by creating temporary page tables located in resume-safe page
frames before the suspend image is restored in the same way as x86_64 does
it.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andi Kleen <ak@suse.de>
Cc: Dave Jones <davej@redhat.com>
Cc: Nigel Cunningham <ncunningham@linuxmail.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-i386/suspend.h b/include/asm-i386/suspend.h
index 08be1e5..c1da5ca 100644
--- a/include/asm-i386/suspend.h
+++ b/include/asm-i386/suspend.h
@@ -6,18 +6,7 @@
#include <asm/desc.h>
#include <asm/i387.h>
-static inline int
-arch_prepare_suspend(void)
-{
- /* If you want to make non-PSE machine work, turn off paging
- in swsusp_arch_suspend. swsusp_pg_dir should have identity mapping, so
- it could work... */
- if (!cpu_has_pse) {
- printk(KERN_ERR "PSE is required for swsusp.\n");
- return -EPERM;
- }
- return 0;
-}
+static inline int arch_prepare_suspend(void) { return 0; }
/* image of the saved processor state */
struct saved_context {