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authorRalf Baechle <ralf@linux-mips.org>2006-10-31 22:49:04 +0000
committerRalf Baechle <ralf@linux-mips.org>2006-11-01 17:46:09 +0000
commitcb56837ea5f15fa5279fd490f292134c3a92e5de (patch)
treea6da64b1906b9459888687fc28f0bccdbe96ce42 /arch/mips/kernel/entry.S
parent242954b5aa8e5ec84f46a84637daf08ee4247c6e (diff)
downloadop-kernel-dev-cb56837ea5f15fa5279fd490f292134c3a92e5de.zip
op-kernel-dev-cb56837ea5f15fa5279fd490f292134c3a92e5de.tar.gz
[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.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 417c08a..f10b6a1 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -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
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