x86, kexec: x86_64: add kexec jump support for x86_64
Impact: New major feature
This patch add kexec jump support for x86_64. More information about
kexec jump can be found in corresponding x86_32 support patch.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index 0ceb6d1..317ff17 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -9,13 +9,13 @@
# define PAGES_NR 4
#else
# define PA_CONTROL_PAGE 0
-# define PA_TABLE_PAGE 1
-# define PAGES_NR 2
+# define VA_CONTROL_PAGE 1
+# define PA_TABLE_PAGE 2
+# define PA_SWAP_PAGE 3
+# define PAGES_NR 4
#endif
-#ifdef CONFIG_X86_32
# define KEXEC_CONTROL_CODE_MAX_SIZE 2048
-#endif
#ifndef __ASSEMBLY__
@@ -136,10 +136,11 @@
unsigned int has_pae,
unsigned int preserve_context);
#else
-NORET_TYPE void
+unsigned long
relocate_kernel(unsigned long indirection_page,
unsigned long page_list,
- unsigned long start_address) ATTRIB_NORET;
+ unsigned long start_address,
+ unsigned int preserve_context);
#endif
#define ARCH_HAS_KIMAGE_ARCH