PERFORCE change 112535 for review
Divacky Roman
xdivac02 at stud.fit.vutbr.cz
Sat Jan 6 06:40:33 PST 2007
On Fri, Jan 05, 2007 at 12:32:27PM -0500, John Baldwin wrote:
> On Friday 05 January 2007 03:02, Roman Divacky wrote:
> > 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;
> >
> >
>
> Hmm, what is use26 set to if pr != NULL but pr->pr_linux == NULL?
to the default value of 0
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