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| author | Ralf Baechle <ralf@linux-mips.org> | 2015-07-28 21:37:43 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 13:08:04 +0300 |
| commit | e3b28831c18c6c95c51b6bb717fa116d2b658ba9 (patch) | |
| tree | 643aec907cb2a9df80a2824719dcfc7dd5853bb8 /arch/mips/mm/fault.c | |
| parent | 8c576912e4708144cbaa28228cc910746f39bafd (diff) | |
| download | linux-e3b28831c18c6c95c51b6bb717fa116d2b658ba9.tar.xz | |
MIPS: Set trap_no field in thread_struct on exception.
This reverts commit 7281cd22973008a782860e48ed8d85d00204168c and adds
actual functionality to use the field.
Diffstat (limited to 'arch/mips/mm/fault.c')
| -rw-r--r-- | arch/mips/mm/fault.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 852a41c6da45..4b88fa031891 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -57,12 +57,10 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, #ifdef CONFIG_KPROBES /* - * This is to notify the fault handler of the kprobes. The - * exception code is redundant as it is also carried in REGS, - * but we pass it anyhow. + * This is to notify the fault handler of the kprobes. */ if (notify_die(DIE_PAGE_FAULT, "page fault", regs, -1, - (regs->cp0_cause >> 2) & 0x1f, SIGSEGV) == NOTIFY_STOP) + current->thread.trap_nr, SIGSEGV) == NOTIFY_STOP) return; #endif @@ -224,6 +222,7 @@ bad_area_nosemaphore: print_vma_addr(" ", regs->regs[31]); pr_info("\n"); } + current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f; info.si_signo = SIGSEGV; info.si_errno = 0; /* info.si_code has been set above */ @@ -282,6 +281,7 @@ do_sigbus: field, (unsigned long) regs->cp0_epc, field, (unsigned long) regs->regs[31]); #endif + current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f; tsk->thread.cp0_badvaddr = address; info.si_signo = SIGBUS; info.si_errno = 0; |