On Thursday 03 September 2009 22:51:47 Jung-uk Kim wrote: > On Thursday 03 September 2009 04:25 pm, Marko Zec wrote: > > On Wednesday 02 September 2009 18:02:48 Jung-uk Kim wrote: > > > Author: jkim > > > Date: Wed Sep 2 16:02:48 2009 > > > New Revision: 196769 > > > URL: http://svn.freebsd.org/changeset/base/196769 > > > > > > Log: > > > - Work around ACPI mode transition problem for recent NVIDIA > > > 9400M chipset based Intel Macs. Since r189055, these platforms > > > started freezing when ACPI is being initialized for unknown > > > reason. For these platforms, we just use the old PAT layout. > > > Note this change is not enough to boot fully on these platforms > > > because of other problems but it makes debugging possible. Note > > > MacBook5,2 may be affected as well but it was not added here > > > because of lack of hardware to test. > > > - Initialize PAT MSR fully instead of reading and modifying it > > > for safety. > > > > Perhaps I'm missing something, but I fail to understand what is the > > purpose / use of variable pat_tested here? > > Without it, bad things may happen while APs are being initialized in > SMP case.
Ouch, OK, only now I see that pat_tested is declared static - I thought it was reset to 0 at each pmap_init_pat() call... Sorry for the noise, Marko _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
