diff options
Diffstat (limited to 'arch/x86/purgatory/purgatory.c')
| -rw-r--r-- | arch/x86/purgatory/purgatory.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c index 3b95410ff0f8..2961234d0795 100644 --- a/arch/x86/purgatory/purgatory.c +++ b/arch/x86/purgatory/purgatory.c @@ -14,28 +14,10 @@ #include "../boot/string.h" -unsigned long purgatory_backup_dest __section(.kexec-purgatory); -unsigned long purgatory_backup_src __section(.kexec-purgatory); -unsigned long purgatory_backup_sz __section(.kexec-purgatory); - u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE] __section(.kexec-purgatory); struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX] __section(.kexec-purgatory); -/* - * On x86, second kernel requries first 640K of memory to boot. Copy - * first 640K to a backup region in reserved memory range so that second - * kernel can use first 640K. - */ -static int copy_backup_region(void) -{ - if (purgatory_backup_dest) { - memcpy((void *)purgatory_backup_dest, - (void *)purgatory_backup_src, purgatory_backup_sz); - } - return 0; -} - static int verify_sha256_digest(void) { struct kexec_sha_region *ptr, *end; @@ -66,7 +48,6 @@ void purgatory(void) for (;;) ; } - copy_backup_region(); } /* |