[PATCH] use smp_mb/wmb/rmb where possible
[linux-3.10.git] / kernel / sys.c
index 462d78d558951a2a7dbc07efbe4f550ca3f7e412..df2ddcc6863bcfd55ae808699eaf24852740047e 100644 (file)
@@ -525,7 +525,7 @@ asmlinkage long sys_setregid(gid_t rgid, gid_t egid)
        if (new_egid != old_egid)
        {
                current->mm->dumpable = 0;
-               wmb();
+               smp_wmb();
        }
        if (rgid != (gid_t) -1 ||
            (egid != (gid_t) -1 && egid != old_rgid))
@@ -556,7 +556,7 @@ asmlinkage long sys_setgid(gid_t gid)
                if(old_egid != gid)
                {
                        current->mm->dumpable=0;
-                       wmb();
+                       smp_wmb();
                }
                current->gid = current->egid = current->sgid = current->fsgid = gid;
        }
@@ -565,7 +565,7 @@ asmlinkage long sys_setgid(gid_t gid)
                if(old_egid != gid)
                {
                        current->mm->dumpable=0;
-                       wmb();
+                       smp_wmb();
                }
                current->egid = current->fsgid = gid;
        }
@@ -596,7 +596,7 @@ static int set_user(uid_t new_ruid, int dumpclear)
        if(dumpclear)
        {
                current->mm->dumpable = 0;
-               wmb();
+               smp_wmb();
        }
        current->uid = new_ruid;
        return 0;
@@ -653,7 +653,7 @@ asmlinkage long sys_setreuid(uid_t ruid, uid_t euid)
        if (new_euid != old_euid)
        {
                current->mm->dumpable=0;
-               wmb();
+               smp_wmb();
        }
        current->fsuid = current->euid = new_euid;
        if (ruid != (uid_t) -1 ||
@@ -703,7 +703,7 @@ asmlinkage long sys_setuid(uid_t uid)
        if (old_euid != uid)
        {
                current->mm->dumpable = 0;
-               wmb();
+               smp_wmb();
        }
        current->fsuid = current->euid = uid;
        current->suid = new_suid;
@@ -748,7 +748,7 @@ asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid)
                if (euid != current->euid)
                {
                        current->mm->dumpable = 0;
-                       wmb();
+                       smp_wmb();
                }
                current->euid = euid;
        }
@@ -798,7 +798,7 @@ asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid)
                if (egid != current->egid)
                {
                        current->mm->dumpable = 0;
-                       wmb();
+                       smp_wmb();
                }
                current->egid = egid;
        }
@@ -845,7 +845,7 @@ asmlinkage long sys_setfsuid(uid_t uid)
                if (uid != old_fsuid)
                {
                        current->mm->dumpable = 0;
-                       wmb();
+                       smp_wmb();
                }
                current->fsuid = uid;
        }
@@ -875,7 +875,7 @@ asmlinkage long sys_setfsgid(gid_t gid)
                if (gid != old_fsgid)
                {
                        current->mm->dumpable = 0;
-                       wmb();
+                       smp_wmb();
                }
                current->fsgid = gid;
                key_fsgid_changed(current);