diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/crash_dump.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 35b9a668b0e..26648544d5e 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -34,6 +34,8 @@ void __init reserve_kdump_trampoline(void) static void __init create_trampoline(unsigned long addr) { + unsigned int *p = (unsigned int *)addr; + /* The maximum range of a single instruction branch, is the current * instruction's address + (32 MB - 4) bytes. For the trampoline we * need to branch to current address + 32 MB. So we insert a nop at @@ -42,8 +44,8 @@ static void __init create_trampoline(unsigned long addr) * branch to "addr" we jump to ("addr" + 32 MB). Although it requires * two instructions it doesn't require any registers. */ - create_instruction(addr, 0x60000000); /* nop */ - create_branch(addr + 4, addr + PHYSICAL_START, 0); + patch_instruction(p, 0x60000000); /* nop */ + patch_branch(++p, addr + PHYSICAL_START, 0); } void __init setup_kdump_trampoline(void) |