diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
| commit | 8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch) | |
| tree | 2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/powerpc/kernel/traps.c | |
| parent | 7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff) | |
| parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) | |
Merge branch 'linus' into x86/x2apic
Conflicts:
arch/x86/kernel/genapic_64.c
Manual merge:
arch/x86/kernel/genx2apic_uv_x.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 878fbddb6ae1..81ccb8dd1a54 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1067,6 +1067,22 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) } _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); + } else if (debug_status & (DBSR_DAC1R | DBSR_DAC1W)) { + regs->msr &= ~MSR_DE; + + if (user_mode(regs)) { + current->thread.dbcr0 &= ~(DBSR_DAC1R | DBSR_DAC1W | + DBCR0_IDM); + } else { + /* Disable DAC interupts */ + mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) & ~(DBSR_DAC1R | + DBSR_DAC1W | DBCR0_IDM)); + + /* Clear the DAC event */ + mtspr(SPRN_DBSR, (DBSR_DAC1R | DBSR_DAC1W)); + } + /* Setup and send the trap to the handler */ + do_dabr(regs, mfspr(SPRN_DAC1), debug_status); } } #endif /* CONFIG_4xx || CONFIG_BOOKE */ |