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| author | David S. Miller <davem@davemloft.net> | 2009-03-18 23:51:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-18 23:51:57 -0700 |
| commit | 42cc77c861e8e850e86252bb5b1e12e006261973 (patch) | |
| tree | 422d0619783e95d95d682775305d0dfdac72a366 /arch/sparc/kernel | |
| parent | 1c339eb183bb48095feaa46057ac4f4f0603dbf9 (diff) | |
| download | kernel-crypto-42cc77c861e8e850e86252bb5b1e12e006261973.tar.gz kernel-crypto-42cc77c861e8e850e86252bb5b1e12e006261973.tar.xz kernel-crypto-42cc77c861e8e850e86252bb5b1e12e006261973.zip | |
sparc64: Reschedule KGDB capture to a software interrupt.
Otherwise it might interrupt switch_to() midstream and use
half-cooked register window state.
Reported-by: Chris Torek <chris.torek@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/kgdb_64.c | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/ttable.S | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index fefbe6dc51b..f5a0fd490b5 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -108,7 +108,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) } #ifdef CONFIG_SMP -void smp_kgdb_capture_client(struct pt_regs *regs) +void smp_kgdb_capture_client(int irq, struct pt_regs *regs) { unsigned long flags; diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S index d9bdfb9d5c1..76d837fc47d 100644 --- a/arch/sparc/kernel/ttable.S +++ b/arch/sparc/kernel/ttable.S @@ -64,7 +64,12 @@ tl0_irq6: TRAP_IRQ(smp_call_function_single_client, 6) tl0_irq6: BTRAP(0x46) #endif tl0_irq7: TRAP_IRQ(deferred_pcr_work_irq, 7) -tl0_irq8: BTRAP(0x48) BTRAP(0x49) +#ifdef CONFIG_KGDB +tl0_irq8: TRAP_IRQ(smp_kgdb_capture_client, 8) +#else +tl0_irq8: BTRAP(0x48) +#endif +tl0_irq9: BTRAP(0x49) tl0_irq10: BTRAP(0x4a) BTRAP(0x4b) BTRAP(0x4c) BTRAP(0x4d) tl0_irq14: TRAP_IRQ(timer_interrupt, 14) tl0_irq15: TRAP_NMI_IRQ(perfctr_irq, 15) |