diff options
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 064a52564692..91a6e04d9741 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -658,7 +658,7 @@ static int emulate_instruction(struct pt_regs *regs) u32 instword; u32 rd; - if (!user_mode(regs)) + if (!user_mode(regs) || (regs->msr & MSR_LE)) return -EINVAL; CHECK_FULL_REGS(regs); @@ -805,9 +805,11 @@ void __kprobes program_check_exception(struct pt_regs *regs) void alignment_exception(struct pt_regs *regs) { - int fixed; + int fixed = 0; - fixed = fix_alignment(regs); + /* we don't implement logging of alignment exceptions */ + if (!(current->thread.align_ctl & PR_UNALIGN_SIGBUS)) + fixed = fix_alignment(regs); if (fixed == 1) { regs->nip += 4; /* skip over emulated instruction */ |