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Diffstat (limited to 'arch/powerpc/sysdev/xics')
-rw-r--r--arch/powerpc/sysdev/xics/icp-hv.c10
-rw-r--r--arch/powerpc/sysdev/xics/icp-native.c10
-rw-r--r--arch/powerpc/sysdev/xics/xics-common.c30
3 files changed, 8 insertions, 42 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c
index 234764c189a4..9518d367a64f 100644
--- a/arch/powerpc/sysdev/xics/icp-hv.c
+++ b/arch/powerpc/sysdev/xics/icp-hv.c
@@ -118,12 +118,8 @@ static void icp_hv_set_cpu_priority(unsigned char cppr)
#ifdef CONFIG_SMP
-static void icp_hv_message_pass(int cpu, int msg)
+static void icp_hv_cause_ipi(int cpu, unsigned long data)
{
- unsigned long *tgt = &per_cpu(xics_ipi_message, cpu);
-
- set_bit(msg, tgt);
- mb();
icp_hv_set_qirr(cpu, IPI_PRIORITY);
}
@@ -133,7 +129,7 @@ static irqreturn_t icp_hv_ipi_action(int irq, void *dev_id)
icp_hv_set_qirr(cpu, 0xff);
- return xics_ipi_dispatch(cpu);
+ return smp_ipi_demux();
}
#endif /* CONFIG_SMP */
@@ -146,7 +142,7 @@ static const struct icp_ops icp_hv_ops = {
.flush_ipi = icp_hv_flush_ipi,
#ifdef CONFIG_SMP
.ipi_action = icp_hv_ipi_action,
- .message_pass = icp_hv_message_pass,
+ .cause_ipi = icp_hv_cause_ipi,
#endif
};
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 246500eefbfd..1f15ad436140 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -134,12 +134,8 @@ static unsigned int icp_native_get_irq(void)
#ifdef CONFIG_SMP
-static void icp_native_message_pass(int cpu, int msg)
+static void icp_native_cause_ipi(int cpu, unsigned long data)
{
- unsigned long *tgt = &per_cpu(xics_ipi_message, cpu);
-
- set_bit(msg, tgt);
- mb();
icp_native_set_qirr(cpu, IPI_PRIORITY);
}
@@ -149,7 +145,7 @@ static irqreturn_t icp_native_ipi_action(int irq, void *dev_id)
icp_native_set_qirr(cpu, 0xff);
- return xics_ipi_dispatch(cpu);
+ return smp_ipi_demux();
}
#endif /* CONFIG_SMP */
@@ -267,7 +263,7 @@ static const struct icp_ops icp_native_ops = {
.flush_ipi = icp_native_flush_ipi,
#ifdef CONFIG_SMP
.ipi_action = icp_native_ipi_action,
- .message_pass = icp_native_message_pass,
+ .cause_ipi = icp_native_cause_ipi,
#endif
};
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index a0576b705ddd..a31a7103218f 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -126,32 +126,6 @@ void xics_mask_unknown_vec(unsigned int vec)
#ifdef CONFIG_SMP
-DEFINE_PER_CPU_SHARED_ALIGNED(unsigned long, xics_ipi_message);
-
-irqreturn_t xics_ipi_dispatch(int cpu)
-{
- unsigned long *tgt = &per_cpu(xics_ipi_message, cpu);
-
- mb(); /* order mmio clearing qirr */
- while (*tgt) {
- if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, tgt)) {
- smp_message_recv(PPC_MSG_CALL_FUNCTION);
- }
- if (test_and_clear_bit(PPC_MSG_RESCHEDULE, tgt)) {
- smp_message_recv(PPC_MSG_RESCHEDULE);
- }
- if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, tgt)) {
- smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
- }
-#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
- if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, tgt)) {
- smp_message_recv(PPC_MSG_DEBUGGER_BREAK);
- }
-#endif
- }
- return IRQ_HANDLED;
-}
-
static void xics_request_ipi(void)
{
unsigned int ipi;
@@ -170,8 +144,8 @@ static void xics_request_ipi(void)
int __init xics_smp_probe(void)
{
- /* Setup message_pass callback based on which ICP is used */
- smp_ops->message_pass = icp_ops->message_pass;
+ /* Setup cause_ipi callback based on which ICP is used */
+ smp_ops->cause_ipi = icp_ops->cause_ipi;
/* Register all the IPIs */
xics_request_ipi();