On Tue, Nov 24, 2015 at 10:51 AM, Conrad E. Meyer <c...@freebsd.org> wrote: > Author: cem > Date: Tue Nov 24 18:51:17 2015 > New Revision: 291263 > URL: https://svnweb.freebsd.org/changeset/base/291263 > > Log: > ntb: Add MW tunable for MMR Xeon errata workaround > > Adds a new tunable, ntb.hw.b2b_mw_idx, which specifies the offset (from the > total number of memory windows) to use for register access on hardware with > the SDOORBELL_LOCKUP errata. The default is -1, i.e., the last memory > window.
Ah, and I forgot to add: Non-negative 'b2b_mw_idx' values index the memory windows in the usual order (0 is the first window, 1 is the second, etc). Best, Conrad _______________________________________________ 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"
