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| author | Kevin D. Kissell <kevink@paralogos.com> | 2008-09-09 21:35:01 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-03 17:58:58 +0100 |
| commit | d2bb01b042a38219fbddaafc214c5beb96248d2f (patch) | |
| tree | 6a0380166400d7ad2b61dead8dab933ba8d43d6a /arch | |
| parent | 9cc123631b6630948eb5059d218f44424888daa7 (diff) | |
| download | linux-d2bb01b042a38219fbddaafc214c5beb96248d2f.tar.gz linux-d2bb01b042a38219fbddaafc214c5beb96248d2f.tar.bz2 linux-d2bb01b042a38219fbddaafc214c5beb96248d2f.zip | |
[MIPS] SMTC: Close tiny holes in the SMTC IPI replay system.
Signed-off-by: Kevin D. Kissell <kevink@paralogos.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/entry.S | 10 | ||||
| -rw-r--r-- | arch/mips/kernel/smtc.c | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index e29598ae939d..ffa331029e08 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -79,11 +79,6 @@ 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) #ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP /* Re-arm any temporarily masked interrupts not explicitly "acked" */ mfc0 v0, CP0_TCSTATUS @@ -112,6 +107,11 @@ FEXPORT(restore_all) # restore full frame xor t0, t0, t3 mtc0 t0, CP0_TCCONTEXT #endif /* CONFIG_MIPS_MT_SMTC_IM_BACKSTOP */ +/* 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) #endif /* CONFIG_MIPS_MT_SMTC */ .set noat RESTORE_TEMP diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 05f2708a9029..39b491b9ad87 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -70,7 +70,7 @@ static atomic_t ipi_timer_latch[NR_CPUS]; #define IPIBUF_PER_CPU 4 -static struct smtc_ipi_q IPIQ[NR_CPUS]; +struct smtc_ipi_q IPIQ[NR_CPUS]; static struct smtc_ipi_q freeIPIq; |