diff options
Diffstat (limited to 'arch/mips/kernel/relocate_kernel.S')
| -rw-r--r-- | arch/mips/kernel/relocate_kernel.S | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index 804ebb2c34a..74bab9ddd0e 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -26,6 +26,12 @@ process_entry: PTR_L s2, (s0) PTR_ADD s0, s0, SZREG + /* + * In case of a kdump/crash kernel, the indirection page is not + * populated as the kernel is directly copied to a reserved location + */ + beqz s2, done + /* destination page */ and s3, s2, 0x1 beq s3, zero, 1f @@ -33,7 +39,7 @@ process_entry: b process_entry 1: - /* indirection page, update s0 */ + /* indirection page, update s0 */ and s3, s2, 0x2 beq s3, zero, 1f and s0, s2, ~0x2 @@ -69,7 +75,7 @@ done: of kexec_flag. */ bal 1f - 1: move t1,ra; + 1: move t1,ra; PTR_LA t2,1b PTR_LA t0,kexec_flag PTR_SUB t0,t0,t2; @@ -158,10 +164,10 @@ arg3: PTR 0x0 */ secondary_kexec_args: EXPORT(secondary_kexec_args) -s_arg0: PTR 0x0 -s_arg1: PTR 0x0 -s_arg2: PTR 0x0 -s_arg3: PTR 0x0 +s_arg0: PTR 0x0 +s_arg1: PTR 0x0 +s_arg2: PTR 0x0 +s_arg3: PTR 0x0 .size secondary_kexec_args,PTRSIZE*4 kexec_flag: LONG 0x1 |