14.12.2017 1:08, Alexey Dokuchaev пишет: > On Thu, Dec 14, 2017 at 12:48:17AM +0700, Eugene Grosbein wrote: >> ... >> I don't understand why you want to backout that. It changed nothing for >> amd64. An i386 is still vulnerable to double faults just because of a >> network packet processing path can overflow kstack for the GENERIC kernel. > > The reason (or shall I say concern) was raised by kib@, as quoted: > >> Plain workstation use, like X11+browser+editor+some other programs easily >> allocates 1000+ threads. It was still possible to use 32bit x86 for that, >> of course in max memory config without PAE, and without ZFS. Add some >> load that involves network, for instance torrent client, to establish the >> pressure on KVA. >> I am almost sure that users would get troubles now. > > I'm a plain workstation user with X11+browser+torrent+quake2+you-name-it > apps, PAE-less, ZFS-less, and I don't want to get troubles due to r326758.
Add kern.kstack_size=2 to /boot/loader.conf of your workstation now and you will notice no difference. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
