diff options
Diffstat (limited to 'arch/s390/kernel/jump_label.c')
| -rw-r--r-- | arch/s390/kernel/jump_label.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c index cb2d51e779df..830066f936c8 100644 --- a/arch/s390/kernel/jump_label.c +++ b/arch/s390/kernel/jump_label.c @@ -36,16 +36,20 @@ static void jump_label_make_branch(struct jump_entry *entry, struct insn *insn) insn->offset = (entry->target - entry->code) >> 1; } -static void jump_label_bug(struct jump_entry *entry, struct insn *insn) +static void jump_label_bug(struct jump_entry *entry, struct insn *expected, + struct insn *new) { unsigned char *ipc = (unsigned char *)entry->code; - unsigned char *ipe = (unsigned char *)insn; + unsigned char *ipe = (unsigned char *)expected; + unsigned char *ipn = (unsigned char *)new; pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc); pr_emerg("Found: %02x %02x %02x %02x %02x %02x\n", ipc[0], ipc[1], ipc[2], ipc[3], ipc[4], ipc[5]); pr_emerg("Expected: %02x %02x %02x %02x %02x %02x\n", ipe[0], ipe[1], ipe[2], ipe[3], ipe[4], ipe[5]); + pr_emerg("New: %02x %02x %02x %02x %02x %02x\n", + ipn[0], ipn[1], ipn[2], ipn[3], ipn[4], ipn[5]); panic("Corrupted kernel text"); } @@ -69,10 +73,10 @@ static void __jump_label_transform(struct jump_entry *entry, } if (init) { if (memcmp((void *)entry->code, &orignop, sizeof(orignop))) - jump_label_bug(entry, &old); + jump_label_bug(entry, &orignop, &new); } else { if (memcmp((void *)entry->code, &old, sizeof(old))) - jump_label_bug(entry, &old); + jump_label_bug(entry, &old, &new); } probe_kernel_write((void *)entry->code, &new, sizeof(new)); } |