PERFORCE change 112535 for review

[Roman Divacky]

http://perforce.freebsd.org/chv.cgi?CH=112535

Change 112535 by rdivacky at rdivacky_witten on 2007/01/05 08:01:24

	No need to lock prison in a case of linux_use26 becuase the int
	setting is atomic and process cannot leave jail.
	
	Submitted by: kib
	Reviewed by: jhb

Affected files ...

.. //depot/projects/linuxolator/src/sys/compat/linux/linux_mib.c#6 edit

Differences ...

==== //depot/projects/linuxolator/src/sys/compat/linux/linux_mib.c#6 (text+ko) ====

@@ -237,12 +237,10 @@
 
 	pr = td->td_ucred->cr_prison;
 	if (pr != NULL) {
-		mtx_lock(&pr->pr_mtx);
 		if (pr->pr_linux != NULL) {
 			lpr = (struct linux_prison *)pr->pr_linux;
 			use26 = lpr->pr_use_linux26;
 		}
-		mtx_unlock(&pr->pr_mtx);
 	} else
 		use26 = linux_use_linux26;