aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/include/asm/apic.h1
-rw-r--r--arch/x86/include/asm/ipi.h2
-rw-r--r--arch/x86/kernel/apic/apic.c11
-rw-r--r--arch/x86/kernel/apic/apic_flat_64.c19
-rw-r--r--arch/x86/kernel/apic/apic_noop.c2
-rw-r--r--arch/x86/kernel/apic/apic_numachip.c2
-rw-r--r--arch/x86/kernel/apic/bigsmp_32.c10
-rw-r--r--arch/x86/kernel/apic/ipi.c18
-rw-r--r--arch/x86/kernel/apic/probe_32.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c9
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c9
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c1
-rw-r--r--arch/x86/kernel/smp.c4
13 files changed, 65 insertions, 24 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index a30316bf801a..7f62ad47d7e4 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -303,6 +303,7 @@ struct apic {
unsigned int *apicid);
/* ipi */
+ void (*send_IPI)(int cpu, int vector);
void (*send_IPI_mask)(const struct cpumask *mask, int vector);
void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
int vector);
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index 615fa9061b57..cfc9a0d2d07c 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -119,6 +119,8 @@ static inline void
native_apic_mem_write(APIC_ICR, cfg);
}
+extern void default_send_IPI_single(int cpu, int vector);
+extern void default_send_IPI_single_phys(int cpu, int vector);
extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
int vector);
extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 2f69e3b184f6..8d7df7478d84 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2270,6 +2270,7 @@ static struct {
unsigned int apic_tmict;
unsigned int apic_tdcr;
unsigned int apic_thmr;
+ unsigned int apic_cmci;
} apic_pm_state;
static int lapic_suspend(void)
@@ -2299,6 +2300,10 @@ static int lapic_suspend(void)
if (maxlvt >= 5)
apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR);
#endif
+#ifdef CONFIG_X86_MCE_INTEL
+ if (maxlvt >= 6)
+ apic_pm_state.apic_cmci = apic_read(APIC_LVTCMCI);
+#endif
local_irq_save(flags);
disable_local_APIC();
@@ -2355,10 +2360,14 @@ static void lapic_resume(void)
apic_write(APIC_SPIV, apic_pm_state.apic_spiv);
apic_write(APIC_LVT0, apic_pm_state.apic_lvt0);
apic_write(APIC_LVT1, apic_pm_state.apic_lvt1);
-#if defined(CONFIG_X86_MCE_INTEL)
+#ifdef CONFIG_X86_THERMAL_VECTOR
if (maxlvt >= 5)
apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr);
#endif
+#ifdef CONFIG_X86_MCE_INTEL
+ if (maxlvt >= 6)
+ apic_write(APIC_LVTCMCI, apic_pm_state.apic_cmci);
+#endif
if (maxlvt >= 4)
apic_write(APIC_LVTPC, apic_pm_state.apic_lvtpc);
apic_write(APIC_LVTT, apic_pm_state.apic_lvtt);
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index f92ab36979a2..9968f30cca3e 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -185,6 +185,7 @@ static struct apic apic_flat = {
.cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and,
+ .send_IPI = default_send_IPI_single,
.send_IPI_mask = flat_send_IPI_mask,
.send_IPI_mask_allbutself = flat_send_IPI_mask_allbutself,
.send_IPI_allbutself = flat_send_IPI_allbutself,
@@ -230,17 +231,6 @@ static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
return 0;
}
-static void physflat_send_IPI_mask(const struct cpumask *cpumask, int vector)
-{
- default_send_IPI_mask_sequence_phys(cpumask, vector);
-}
-
-static void physflat_send_IPI_mask_allbutself(const struct cpumask *cpumask,
- int vector)
-{
- default_send_IPI_mask_allbutself_phys(cpumask, vector);
-}
-
static void physflat_send_IPI_allbutself(int vector)
{
default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
@@ -248,7 +238,7 @@ static void physflat_send_IPI_allbutself(int vector)
static void physflat_send_IPI_all(int vector)
{
- physflat_send_IPI_mask(cpu_online_mask, vector);
+ default_send_IPI_mask_sequence_phys(cpu_online_mask, vector);
}
static int physflat_probe(void)
@@ -292,8 +282,9 @@ static struct apic apic_physflat = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
- .send_IPI_mask = physflat_send_IPI_mask,
- .send_IPI_mask_allbutself = physflat_send_IPI_mask_allbutself,
+ .send_IPI = default_send_IPI_single_phys,
+ .send_IPI_mask = default_send_IPI_mask_sequence_phys,
+ .send_IPI_mask_allbutself = default_send_IPI_mask_allbutself_phys,
.send_IPI_allbutself = physflat_send_IPI_allbutself,
.send_IPI_all = physflat_send_IPI_all,
.send_IPI_self = apic_send_IPI_self,
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index 0d96749cfcac..331a7a07c48f 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -30,6 +30,7 @@
#include <asm/e820.h>
static void noop_init_apic_ldr(void) { }
+static void noop_send_IPI(int cpu, int vector) { }
static void noop_send_IPI_mask(const struct cpumask *cpumask, int vector) { }
static void noop_send_IPI_mask_allbutself(const struct cpumask *cpumask, int vector) { }
static void noop_send_IPI_allbutself(int vector) { }
@@ -144,6 +145,7 @@ struct apic apic_noop = {
.cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and,
+ .send_IPI = noop_send_IPI,
.send_IPI_mask = noop_send_IPI_mask,
.send_IPI_mask_allbutself = noop_send_IPI_mask_allbutself,
.send_IPI_allbutself = noop_send_IPI_allbutself,
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 38dd5efdd04c..69329a6e1dc0 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -276,6 +276,7 @@ static const struct apic apic_numachip1 __refconst = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
+ .send_IPI = numachip_send_IPI_one,
.send_IPI_mask = numachip_send_IPI_mask,
.send_IPI_mask_allbutself = numachip_send_IPI_mask_allbutself,
.send_IPI_allbutself = numachip_send_IPI_allbutself,
@@ -327,6 +328,7 @@ static const struct apic apic_numachip2 __refconst = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
+ .send_IPI = numachip_send_IPI_one,
.send_IPI_mask = numachip_send_IPI_mask,
.send_IPI_mask_allbutself = numachip_send_IPI_mask_allbutself,
.send_IPI_allbutself = numachip_send_IPI_allbutself,
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index 971cf8875939..cf9bd896c12d 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -96,11 +96,6 @@ static int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
return cpuid_apic >> index_msb;
}
-static inline void bigsmp_send_IPI_mask(const struct cpumask *mask, int vector)
-{
- default_send_IPI_mask_sequence_phys(mask, vector);
-}
-
static void bigsmp_send_IPI_allbutself(int vector)
{
default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector);
@@ -108,7 +103,7 @@ static void bigsmp_send_IPI_allbutself(int vector)
static void bigsmp_send_IPI_all(int vector)
{
- bigsmp_send_IPI_mask(cpu_online_mask, vector);
+ default_send_IPI_mask_sequence_phys(cpu_online_mask, vector);
}
static int dmi_bigsmp; /* can be set by dmi scanners */
@@ -180,7 +175,8 @@ static struct apic apic_bigsmp = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
- .send_IPI_mask = bigsmp_send_IPI_mask,
+ .send_IPI = default_send_IPI_single_phys,
+ .send_IPI_mask = default_send_IPI_mask_sequence_phys,
.send_IPI_mask_allbutself = NULL,
.send_IPI_allbutself = bigsmp_send_IPI_allbutself,
.send_IPI_all = bigsmp_send_IPI_all,
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index 62071569bd50..eb45fc9b6124 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -18,6 +18,16 @@
#include <asm/proto.h>
#include <asm/ipi.h>
+void default_send_IPI_single_phys(int cpu, int vector)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ __default_send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, cpu),
+ vector, APIC_DEST_PHYSICAL);
+ local_irq_restore(flags);
+}
+
void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector)
{
unsigned long query_cpu;
@@ -55,6 +65,14 @@ void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
local_irq_restore(flags);
}
+/*
+ * Helper function for APICs which insist on cpumasks
+ */
+void default_send_IPI_single(int cpu, int vector)
+{
+ apic->send_IPI_mask(cpumask_of(cpu), vector);
+}
+
#ifdef CONFIG_X86_32
void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 7694ae6c1199..f316e34abb42 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -105,6 +105,7 @@ static struct apic apic_default = {
.cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and,
+ .send_IPI = default_send_IPI_single,
.send_IPI_mask = default_send_IPI_mask_logical,
.send_IPI_mask_allbutself = default_send_IPI_mask_allbutself_logical,
.send_IPI_allbutself = default_send_IPI_allbutself,
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index cc8311c4d298..aca8b75c1552 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -23,6 +23,14 @@ static inline u32 x2apic_cluster(int cpu)
return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16;
}
+static void x2apic_send_IPI(int cpu, int vector)
+{
+ u32 dest = per_cpu(x86_cpu_to_logical_apicid, cpu);
+
+ x2apic_wrmsr_fence();
+ __x2apic_send_IPI_dest(dest, vector, APIC_DEST_LOGICAL);
+}
+
static void
__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest)
{
@@ -266,6 +274,7 @@ static struct apic apic_x2apic_cluster = {
.cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and,
+ .send_IPI = x2apic_send_IPI,
.send_IPI_mask = x2apic_send_IPI_mask,
.send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself,
.send_IPI_allbutself = x2apic_send_IPI_allbutself,
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 662e9150ea6f..a1242e2c12e6 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -36,6 +36,14 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys());
}
+static void x2apic_send_IPI(int cpu, int vector)
+{
+ u32 dest = per_cpu(x86_cpu_to_apicid, cpu);
+
+ x2apic_wrmsr_fence();
+ __x2apic_send_IPI_dest(dest, vector, APIC_DEST_PHYSICAL);
+}
+
static void
__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest)
{
@@ -122,6 +130,7 @@ static struct apic apic_x2apic_phys = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
+ .send_IPI = x2apic_send_IPI,
.send_IPI_mask = x2apic_send_IPI_mask,
.send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself,
.send_IPI_allbutself = x2apic_send_IPI_allbutself,
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 4a139465f1d4..d760c6bb37b5 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -406,6 +406,7 @@ static struct apic __refdata apic_x2apic_uv_x = {
.cpu_mask_to_apicid_and = uv_cpu_mask_to_apicid_and,
+ .send_IPI = uv_send_IPI_one,
.send_IPI_mask = uv_send_IPI_mask,
.send_IPI_mask_allbutself = uv_send_IPI_mask_allbutself,
.send_IPI_allbutself = uv_send_IPI_allbutself,
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 12c8286206ce..658777cf3851 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -125,12 +125,12 @@ static void native_smp_send_reschedule(int cpu)
WARN_ON(1);
return;
}
- apic->send_IPI_mask(cpumask_of(cpu), RESCHEDULE_VECTOR);
+ apic->send_IPI(cpu, RESCHEDULE_VECTOR);
}
void native_send_call_func_single_ipi(int cpu)
{
- apic->send_IPI_mask(cpumask_of(cpu), CALL_FUNCTION_SINGLE_VECTOR);
+ apic->send_IPI(cpu, CALL_FUNCTION_SINGLE_VECTOR);
}
void native_send_call_func_ipi(const struct cpumask *mask)