diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-11-01 06:38:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-11-01 06:38:20 -0800 |
| commit | 4b1c46a383aafc137bc91a0f9698bfc11e062d1b (patch) | |
| tree | dd8b793c534b6f83cc16f38ba96d0ff4722a7344 /arch/powerpc/kernel/traps.c | |
| parent | 30574b61611ccd29677989097f8c8a5d9a73d873 (diff) | |
| parent | 4393c4f6788cee65095dd838cfeca6edefbfeb52 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Make alignment exception always check exception table
[POWERPC] Disallow kprobes on emulate_step and branch_taken
[POWERPC] Make mmiowb's io_sync preempt safe
[POWERPC] Make high hugepage areas preempt safe
[POWERPC] Make current preempt-safe
[POWERPC] qe_lib: qe_issue_cmd writes wrong value to CECDR
[POWERPC] Use 4kB iommu pages even on 64kB-page systems
[POWERPC] Fix oprofile support for e500 in arch/powerpc
[POWERPC] Fix rmb() for e500-based machines it
[POWERPC] Fix various offb issues
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 5ed4c2ceb5c..c66b4771ef4 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -843,7 +843,7 @@ void __kprobes program_check_exception(struct pt_regs *regs) void alignment_exception(struct pt_regs *regs) { - int fixed = 0; + int sig, code, fixed = 0; /* we don't implement logging of alignment exceptions */ if (!(current->thread.align_ctl & PR_UNALIGN_SIGBUS)) @@ -857,14 +857,16 @@ void alignment_exception(struct pt_regs *regs) /* Operand address was bad */ if (fixed == -EFAULT) { - if (user_mode(regs)) - _exception(SIGSEGV, regs, SEGV_ACCERR, regs->dar); - else - /* Search exception table */ - bad_page_fault(regs, regs->dar, SIGSEGV); - return; + sig = SIGSEGV; + code = SEGV_ACCERR; + } else { + sig = SIGBUS; + code = BUS_ADRALN; } - _exception(SIGBUS, regs, BUS_ADRALN, regs->dar); + if (user_mode(regs)) + _exception(sig, regs, code, regs->dar); + else + bad_page_fault(regs, regs->dar, sig); } void StackOverflow(struct pt_regs *regs) |