x86-32, hibernate: Enable CONFIG_ARCH_HIBERNATION_HEADER on 32bit system

[sfrench/cifs-2.6.git] / arch / x86 / power / hibernate.c

diff --git a/arch/x86/power/hibernate.c b/arch/x86/power/hibernate.c
index f63793b8de3f08a542e3effe15c8b43760e98250..a04ca13bf592d01095b9d4c958b35bd8da36d3c8 100644 (file)
--- a/arch/x86/power/hibernate.c
+++ b/arch/x86/power/hibernate.c
@@ -53,7 +53,6 @@ int pfn_is_nosave(unsigned long pfn)
        return pfn >= nosave_begin_pfn && pfn < nosave_end_pfn;
 }
 
-#ifdef CONFIG_X86_64
 
 #define MD5_DIGEST_SIZE 16
 
@@ -140,7 +139,11 @@ static bool hibernation_e820_mismatch(void *buf)
 }
 #endif
 
+#ifdef CONFIG_X86_64
 #define RESTORE_MAGIC  0x23456789ABCDEF01UL
+#else
+#define RESTORE_MAGIC  0x12345678UL
+#endif
 
 /**
  *     arch_hibernation_header_save - populate the architecture specific part
@@ -154,6 +157,7 @@ int arch_hibernation_header_save(void *addr, unsigned int max_size)
        if (max_size < sizeof(struct restore_data_record))
                return -EOVERFLOW;
        rdr->magic = RESTORE_MAGIC;
+#ifdef CONFIG_X86_64
        rdr->jump_address = (unsigned long)restore_registers;
        rdr->jump_address_phys = __pa_symbol(restore_registers);
 
@@ -175,6 +179,7 @@ int arch_hibernation_header_save(void *addr, unsigned int max_size)
         * have any of the PCID bits set.
         */
        rdr->cr3 = restore_cr3 & ~CR3_PCID_MASK;
+#endif
 
        return hibernation_e820_save(rdr->e820_digest);
 }
@@ -193,9 +198,11 @@ int arch_hibernation_header_restore(void *addr)
                return -EINVAL;
        }
 
+#ifdef CONFIG_X86_64
        restore_jump_address = rdr->jump_address;
        jump_address_phys = rdr->jump_address_phys;
        restore_cr3 = rdr->cr3;
+#endif
 
        if (hibernation_e820_mismatch(rdr->e820_digest)) {
                pr_crit("Hibernate inconsistent memory map detected!\n");
@@ -205,6 +212,7 @@ int arch_hibernation_header_restore(void *addr)
        return 0;
 }
 
+#ifdef CONFIG_X86_64
 int relocate_restore_code(void)
 {
        pgd_t *pgd;