kern/percpu: improve initop descriptions and fix dependencies

4 files changed, 7 insertions, 1 deletions

diff --git a/arch/x86/machine/cpu.h b/arch/x86/machine/cpu.h
index c4711126..b9f8c0df 100644
--- a/arch/x86/machine/cpu.h
+++ b/arch/x86/machine/cpu.h
@@ -693,6 +693,7 @@ INIT_OP_DECLARE(cpu_setup);
 /*
  * This init operation provides :
  *  - cpu_count()
+ *  - access to percpu variables on all processors
  */
 INIT_OP_DECLARE(cpu_mp_probe);
 
diff --git a/kern/llsync.c b/kern/llsync.c
index 36233fac..5fcbd736 100644
--- a/kern/llsync.c
+++ b/kern/llsync.c
@@ -108,6 +108,7 @@ llsync_setup(void)
 }
 
 INIT_OP_DEFINE(llsync_setup,
+               INIT_OP_DEP(cpu_mp_probe, true),
                INIT_OP_DEP(log_setup, true),
                INIT_OP_DEP(mutex_setup, true),
                INIT_OP_DEP(spinlock_setup, true),
diff --git a/kern/percpu.h b/kern/percpu.h
index b196acbe..5c5748a7 100644
--- a/kern/percpu.h
+++ b/kern/percpu.h
@@ -106,13 +106,16 @@ int percpu_add(unsigned int cpu);
 
 /*
  * This init operation provides :
- *  - percpu section is registered as the BSP percpu area
+ *  - access to percpu variables on processor 0
  */
 INIT_OP_DECLARE(percpu_bootstrap);
 
 /*
  * This init operation provides :
  *  - new percpu areas can be created
+ *
+ * The dependency that provides access to percpu variables on all processors
+ * is cpu_mp_probe.
  */
 INIT_OP_DECLARE(percpu_setup);
 
diff --git a/kern/xcall.c b/kern/xcall.c
index 215c1c78..fb60bacc 100644
--- a/kern/xcall.c
+++ b/kern/xcall.c
@@ -129,6 +129,7 @@ xcall_setup(void)
 }
 
 INIT_OP_DEFINE(xcall_setup,
+               INIT_OP_DEP(cpu_mp_probe, true),
                INIT_OP_DEP(thread_bootstrap, true),
                INIT_OP_DEP(spinlock_setup, true));