nit

1 files changed, 4 insertions, 6 deletions

diff --git a/main.c b/main.c
index 3508ecc..308541b 100644
--- a/main.c
+++ b/main.c
@@ -5,9 +5,7 @@
 #include "proc.h"
 #include "x86.h"
 
-extern char edata[], end[];
-
-void bootothers(void);
+static void bootothers(void);
 
 // Bootstrap processor starts running C code here.
 int
@@ -15,6 +13,7 @@ main(void)
 {
   int i;
   static volatile int bcpu;  // cannot be on stack
+  extern char edata[], end[];
 
   // clear BSS
   memset(edata, 0, end - edata);
@@ -65,7 +64,6 @@ mpmain(void)
   idtinit();
   lapic_init(cpu());
   setupsegs(0);
-
   cpuid(0, 0, 0, 0, 0);  // memory barrier
   cpus[cpu()].booted = 1;
 
@@ -76,7 +74,7 @@ mpmain(void)
   scheduler();
 }
 
-void
+static void
 bootothers(void)
 {
   extern uchar _binary_bootother_start[], _binary_bootother_size[];
@@ -91,7 +89,7 @@ bootothers(void)
     if(c == cpus+cpu())  // We've started already.
       continue;
 
-    // Set target %esp, %eip
+    // Fill in %esp, %eip and start code on cpu.
     *(void**)(code-4) = c->mpstack + MPSTACK;
     *(void**)(code-8) = mpmain;
     lapic_startap(c->apicid, (uint)code);