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authorIngo Molnar <mingo@kernel.org>2014-02-02 09:45:39 +0100
committerIngo Molnar <mingo@kernel.org>2014-02-02 09:45:39 +0100
commiteaa4e4fcf1b5c60e656d93242f7fe422173f25b2 (patch)
treec05d5d6ca3f625d72a9d136b4c485d3dc9472089 /arch/mips/kernel/smp-mt.c
parentbe1e4e760d940c14d119bffef5eb007dfdf29046 (diff)
parent5cb480f6b488128140c940abff3c36f524a334a8 (diff)
Merge branch 'linus' into sched/core, to resolve conflicts
Conflicts: kernel/sysctl.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/kernel/smp-mt.c')
-rw-r--r--arch/mips/kernel/smp-mt.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 57a3f7a2b370..0fb8cefc9114 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -71,6 +71,7 @@ static unsigned int __init smvp_vpe_init(unsigned int tc, unsigned int mvpconf0,
/* Record this as available CPU */
set_cpu_possible(tc, true);
+ set_cpu_present(tc, true);
__cpu_number_map[tc] = ++ncpu;
__cpu_logical_map[ncpu] = tc;
}
@@ -112,12 +113,39 @@ static void __init smvp_tc_init(unsigned int tc, unsigned int mvpconf0)
write_tc_c0_tchalt(TCHALT_H);
}
+#ifdef CONFIG_IRQ_GIC
+static void mp_send_ipi_single(int cpu, unsigned int action)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ switch (action) {
+ case SMP_CALL_FUNCTION:
+ gic_send_ipi(plat_ipi_call_int_xlate(cpu));
+ break;
+
+ case SMP_RESCHEDULE_YOURSELF:
+ gic_send_ipi(plat_ipi_resched_int_xlate(cpu));
+ break;
+ }
+
+ local_irq_restore(flags);
+}
+#endif
+
static void vsmp_send_ipi_single(int cpu, unsigned int action)
{
int i;
unsigned long flags;
int vpflags;
+#ifdef CONFIG_IRQ_GIC
+ if (gic_present) {
+ mp_send_ipi_single(cpu, action);
+ return;
+ }
+#endif
local_irq_save(flags);
vpflags = dvpe(); /* can't access the other CPU's registers whilst MVPE enabled */