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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-29 02:07:55 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-29 02:07:55 +0400 |
| commit | cb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch) | |
| tree | 316436f77dac75335fd2c3ef5f109e71606c50d3 /arch/sh/mm/fault_32.c | |
| parent | b6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff) | |
| parent | f934fb19ef34730263e6afc01e8ec27a8a71470f (diff) | |
| download | linux-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.tar.xz | |
Merge branch 'linus' into core/generic-dma-coherent
Conflicts:
arch/x86/Kconfig
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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.. |