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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-28 08:00:25 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-28 08:00:25 +0200
commit31881d74b6dd1a6c530cff61248def4f2da38bee (patch)
treebe62420cf39192074e13b25553d172b9d5e58a33 /arch/mips/netlogic/common/smp.c
parentInput: wacom_i2c - implement hovering capability (diff)
parentInput: MT - Specify that ABS_MT_SLOT must have a minimum of 0 (diff)
downloadlinux-31881d74b6dd1a6c530cff61248def4f2da38bee.tar.xz
linux-31881d74b6dd1a6c530cff61248def4f2da38bee.zip
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'arch/mips/netlogic/common/smp.c')
-rw-r--r--arch/mips/netlogic/common/smp.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c
index 2bb95dcfe20a..ffba52489bef 100644
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -148,8 +148,7 @@ void nlm_cpus_done(void)
int nlm_cpu_ready[NR_CPUS];
unsigned long nlm_next_gp;
unsigned long nlm_next_sp;
-
-cpumask_t phys_cpu_present_map;
+static cpumask_t phys_cpu_present_mask;
void nlm_boot_secondary(int logical_cpu, struct task_struct *idle)
{
@@ -169,11 +168,12 @@ void __init nlm_smp_setup(void)
{
unsigned int boot_cpu;
int num_cpus, i, ncore;
+ char buf[64];
boot_cpu = hard_smp_processor_id();
- cpumask_clear(&phys_cpu_present_map);
+ cpumask_clear(&phys_cpu_present_mask);
- cpumask_set_cpu(boot_cpu, &phys_cpu_present_map);
+ cpumask_set_cpu(boot_cpu, &phys_cpu_present_mask);
__cpu_number_map[boot_cpu] = 0;
__cpu_logical_map[0] = boot_cpu;
set_cpu_possible(0, true);
@@ -185,7 +185,7 @@ void __init nlm_smp_setup(void)
* it is only set for ASPs (see smpboot.S)
*/
if (nlm_cpu_ready[i]) {
- cpumask_set_cpu(i, &phys_cpu_present_map);
+ cpumask_set_cpu(i, &phys_cpu_present_mask);
__cpu_number_map[i] = num_cpus;
__cpu_logical_map[num_cpus] = i;
set_cpu_possible(num_cpus, true);
@@ -193,16 +193,19 @@ void __init nlm_smp_setup(void)
}
}
+ cpumask_scnprintf(buf, ARRAY_SIZE(buf), &phys_cpu_present_mask);
+ pr_info("Physical CPU mask: %s\n", buf);
+ cpumask_scnprintf(buf, ARRAY_SIZE(buf), cpu_possible_mask);
+ pr_info("Possible CPU mask: %s\n", buf);
+
/* check with the cores we have worken up */
for (ncore = 0, i = 0; i < NLM_NR_NODES; i++)
ncore += hweight32(nlm_get_node(i)->coremask);
- pr_info("Phys CPU present map: %lx, possible map %lx\n",
- (unsigned long)cpumask_bits(&phys_cpu_present_map)[0],
- (unsigned long)cpumask_bits(cpu_possible_mask)[0]);
-
pr_info("Detected (%dc%dt) %d Slave CPU(s)\n", ncore,
nlm_threads_per_core, num_cpus);
+
+ /* switch NMI handler to boot CPUs */
nlm_set_nmi_handler(nlm_boot_secondary_cpus);
}