Fix the exec hack

e4711e1b · Silas Boyd-Wickizer · d577eaf4 · e4711e1b · e4711e1b · e4711e1b
--- a/kernel/exec.cc
+++ b/kernel/exec.cc
@@ -207,6 +207,7 @@ exec(const char *path, char **argv, void *ascopev)
  myproc()->vmap = vmp;
  myproc()->tf->rip = elf.entry;
  myproc()->tf->rsp = sp;
+  myproc()->run_cpuid_ = myid();

  for(last=s=path; *s; s++)
    if(*s == '/')

--- a/kernel/proc.cc
+++ b/kernel/proc.cc
@@ -218,8 +218,6 @@ execstub(void)

  post_swtch();

-  myproc()->run_cpuid_ = mycpuid();
-
  long r = doexec(upath, uargv);
  myproc()->tf->rax = r;


--- a/kernel/sysfile.cc
+++ b/kernel/sysfile.cc
@@ -471,6 +471,7 @@ clean:
 int
 sys_exec(const char *upath, userptr<userptr<const char> > uargv)
 {
+  myproc()->exec_cpuid_ = myid();
 #if EXECSWITCH
  myproc()->exec_cpuid_ = mycpuid();
  myproc()->uargv = uargv;