nothing much

9c65b32d · Robert Morris · c779cc2b · 9c65b32d · 9c65b32d · 9c65b32d
--- a/initcode.S
+++ b/initcode.S
 # Initial process execs /init.
+# This code runs in user space.
 #include "syscall.h"
 #include "traps.h"

--- a/proc.c
+++ b/proc.c
@@ -283,7 +283,7 @@ scheduler(void)
      proc = p;
      switchuvm(p);
      p->state = RUNNING;
-      swtch(&cpu->scheduler, proc->context);
+      swtch(&cpu->scheduler, p->context);
      switchkvm();
      // Process is done running for now.

--- a/vm.c
+++ b/vm.c
@@ -171,7 +171,7 @@ switchuvm(struct proc *p)
  ltr(SEG_TSS << 3);
  if(p->pgdir == 0)
    panic("switchuvm: no pgdir");
-  lcr3(v2p(p->pgdir));  // switch to new address space
+  lcr3(v2p(p->pgdir));  // switch to process's address space
  popcli();
 }