diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2006-10-31 17:49:04 -0500 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-11-01 12:46:09 -0500 |
| commit | cb56837ea5f15fa5279fd490f292134c3a92e5de (patch) | |
| tree | a6da64b1906b9459888687fc28f0bccdbe96ce42 /arch/mips/kernel/entry.S | |
| parent | 242954b5aa8e5ec84f46a84637daf08ee4247c6e (diff) | |
[MIPS] SMTC: Fix crash if # of TC's > # of VPE's after pt_regs irq cleanup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/entry.S')
| -rw-r--r-- | arch/mips/kernel/entry.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 417c08ac76eb..f10b6a19f8bf 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S | |||
| @@ -83,7 +83,10 @@ FEXPORT(syscall_exit) | |||
| 83 | FEXPORT(restore_all) # restore full frame | 83 | FEXPORT(restore_all) # restore full frame |
| 84 | #ifdef CONFIG_MIPS_MT_SMTC | 84 | #ifdef CONFIG_MIPS_MT_SMTC |
| 85 | /* Detect and execute deferred IPI "interrupts" */ | 85 | /* Detect and execute deferred IPI "interrupts" */ |
| 86 | LONG_L s0, TI_REGS($28) | ||
| 87 | LONG_S sp, TI_REGS($28) | ||
| 86 | jal deferred_smtc_ipi | 88 | jal deferred_smtc_ipi |
| 89 | LONG_S s0, TI_REGS($28) | ||
| 87 | /* Re-arm any temporarily masked interrupts not explicitly "acked" */ | 90 | /* Re-arm any temporarily masked interrupts not explicitly "acked" */ |
| 88 | mfc0 v0, CP0_TCSTATUS | 91 | mfc0 v0, CP0_TCSTATUS |
| 89 | ori v1, v0, TCSTATUS_IXMT | 92 | ori v1, v0, TCSTATUS_IXMT |