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[MIPS] SMTC: Fix crash if # of TC's > # of VPE's after pt_regs irq cleanup.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2006-10-31 22:49:04 +00:00
parent 242954b5aa
commit cb56837ea5
2 changed files with 9 additions and 1 deletions
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3
arch/mips/kernel/entry.S
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@@ -83,7 +83,10 @@ FEXPORT(syscall_exit)
FEXPORT(restore_all) # restore full frame
#ifdef CONFIG_MIPS_MT_SMTC
/* Detect and execute deferred IPI "interrupts" */
LONG_L s0, TI_REGS($28)
LONG_S sp, TI_REGS($28)
jal deferred_smtc_ipi
LONG_S s0, TI_REGS($28)
/* Re-arm any temporarily masked interrupts not explicitly "acked" */
mfc0 v0, CP0_TCSTATUS
ori v1, v0, TCSTATUS_IXMT