2011/6/21 Bruce Evans <b...@optusnet.com.au>: > On Tue, 21 Jun 2011, Bjoern A. Zeeb wrote: > >> On Jun 19, 2011, at 7:13 PM, Alan Cox wrote: >> >> Hi Alan, >> >>> Author: alc >>> Date: Sun Jun 19 19:13:24 2011 >>> New Revision: 223307 >>> URL: http://svn.freebsd.org/changeset/base/223307 >>> >>> Log: >>> Precisely document the synchronization rules for the page's dirty field. >>> (Saying that the lock on the object that the page belongs to must be >>> held >>> only represents one aspect of the rules.) >>> >>> Eliminate the use of the page queues lock for atomically performing >>> read- >>> modify-write operations on the dirty field when the underlying >>> architecture >>> supports atomic operations on char and short types. >>> >>> Document the fact that 32KB pages aren't really supported. >> >> contrary to the tinderbox I'd like to point out that all mips kernels >> built by universe are broken with a SVN HEAD from earlier today. Could you >> please check and see if you can fix it? The errors I get are: >> >> vm_page.o: In function `vm_page_clear_dirty': >> /sys/vm/vm_page.c:(.text+0x18d0): undefined reference to `atomic_clear_8' >> /sys/vm/vm_page.c:(.text+0x18d0): relocation truncated to fit: R_MIPS_26 >> against `atomic_clear_8' >> vm_page.o: In function `vm_page_set_validclean': >> /sys/vm/vm_page.c:(.text+0x38f0): undefined reference to `atomic_clear_8' >> /sys/vm/vm_page.c:(.text+0x38f0): relocation truncated to fit: R_MIPS_26 >> against `atomic_clear_8' > > Atomic types shorter than int cannot be used in MI code, since they might > not exist. Apparently they don't exist on mips. jake@ fixed all their > old uses for sparc4 in ~Y2K.
I'm sure they do, they exist in support.S though and may not have the _8 form (they may just have the _char version). I may look at the code again to be sure. Attilio -- Peace can only be achieved by understanding - A. Einstein _______________________________________________ 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"
