On Thu, Jan 30, 2020 at 12:04:03PM +0000, Hans Petter Selasky wrote: H> Author: hselasky H> Date: Thu Jan 30 12:04:02 2020 H> New Revision: 357293 H> URL: https://svnweb.freebsd.org/changeset/base/357293 H> H> Log: H> Widen EPOCH(9) usage in netisr. H> H> Software interrupt handlers are allowed to sleep. In swi_net() there H> is a read lock behind NETISR_RLOCK() which in turn ends up calling H> msleep() which means the whole of swi_net() cannot be protected by an H> EPOCH(9) section. By default the NETISR_LOCKING feature is disabled. H> H> This issue was introduced by r357004. This is a preparation step for H> replacing the functionality provided by r357004. H> H> Found by: kib@ H> Sponsored by: Mellanox Technologies
What?! NETISR_RLOCK() which in turn ends up calling msleep()? Can you please explain this nonsense? -- Gleb Smirnoff _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
