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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:38:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:38:04 +0200 |
| commit | 5fbf24659b75356e2142e1f1b88f67b34cbc3e75 (patch) | |
| tree | 0e470e4cc89b72e3d74939f8c39396a6a0bebb3a /arch/sh/mm/fault_32.c | |
| parent | d89961e2dc87b6e30b8e3f60bd2af5cd92cf4643 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'arch/sh/mm/fault_32.c')
| -rw-r--r-- | arch/sh/mm/fault_32.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index d1fa27594c6e..0c776fdfbdda 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -37,16 +37,12 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, int fault; siginfo_t info; - trace_hardirqs_on(); - local_irq_enable(); - #ifdef CONFIG_SH_KGDB if (kgdb_nofault && kgdb_bus_err_hook) kgdb_bus_err_hook(); #endif tsk = current; - mm = tsk->mm; si_code = SEGV_MAPERR; if (unlikely(address >= TASK_SIZE)) { @@ -88,6 +84,14 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, return; } + /* Only enable interrupts if they were on before the fault */ + if ((regs->sr & SR_IMASK) != SR_IMASK) { + trace_hardirqs_on(); + local_irq_enable(); + } + + mm = tsk->mm; + /* * If we're in an interrupt or have no user * context, we must not take the fault.. |