diff options
Diffstat (limited to 'arch/powerpc/sysdev/xics')
| -rw-r--r-- | arch/powerpc/sysdev/xics/icp-hv.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/xics/icp-native.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/xics/xics-common.c | 3 |
3 files changed, 7 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c index 253dce98c16..df0fc582146 100644 --- a/arch/powerpc/sysdev/xics/icp-hv.c +++ b/arch/powerpc/sysdev/xics/icp-hv.c @@ -65,7 +65,11 @@ static inline void icp_hv_set_xirr(unsigned int value) static inline void icp_hv_set_qirr(int n_cpu , u8 value) { int hw_cpu = get_hard_smp_processor_id(n_cpu); - long rc = plpar_hcall_norets(H_IPI, hw_cpu, value); + long rc; + + /* Make sure all previous accesses are ordered before IPI sending */ + mb(); + rc = plpar_hcall_norets(H_IPI, hw_cpu, value); if (rc != H_SUCCESS) { pr_err("%s: bad return code qirr cpu=%d hw_cpu=%d mfrr=0x%x " "returned %ld\n", __func__, n_cpu, hw_cpu, value, rc); @@ -111,7 +115,7 @@ static unsigned int icp_hv_get_irq(void) if (vec == XICS_IRQ_SPURIOUS) return NO_IRQ; - irq = irq_radix_revmap_lookup(xics_host, vec); + irq = irq_find_mapping(xics_host, vec); if (likely(irq != NO_IRQ)) { xics_push_cppr(vec); return irq; diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index 4c79b6fbee1..48861d3fcd0 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -119,7 +119,7 @@ static unsigned int icp_native_get_irq(void) if (vec == XICS_IRQ_SPURIOUS) return NO_IRQ; - irq = irq_radix_revmap_lookup(xics_host, vec); + irq = irq_find_mapping(xics_host, vec); if (likely(irq != NO_IRQ)) { xics_push_cppr(vec); return irq; diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index cd1d18db92c..9049d9f4448 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -329,9 +329,6 @@ static int xics_host_map(struct irq_domain *h, unsigned int virq, pr_devel("xics: map virq %d, hwirq 0x%lx\n", virq, hw); - /* Insert the interrupt mapping into the radix tree for fast lookup */ - irq_radix_revmap_insert(xics_host, virq, hw); - /* They aren't all level sensitive but we just don't really know */ irq_set_status_flags(virq, IRQ_LEVEL); |