Hi Ben, On Fri, Dec 20, 2013 at 10:27 AM, Benjamin Kaduk <bjkf...@gmail.com> wrote: > On Thu, Dec 19, 2013 at 9:50 PM, Neel Natu <n...@freebsd.org> wrote: >> >> Author: neel >> Date: Fri Dec 20 05:50:22 2013 >> New Revision: 259641 >> URL: http://svnweb.freebsd.org/changeset/base/259641 >> >> Log: >> Re-arrange bits in the amd64/pmap 'pm_flags' field. >> >> The least significant 8 bits of 'pm_flags' are now used for the IPI >> vector >> to use for nested page table TLB shootdown. >> >> Previously we used IPI_AST to interrupt the host cpu which is >> functionally >> correct but could lead to misleading interrupt counts for AST handler. >> The >> AST handler was also doing a lot more than what is required for the >> nested >> page table TLB shootdown (EOI and IRET). > > > This represents a KBI change, does it not? Should __FreeBSD_version be > bumped? >
I was under the impression that a bump would be required only if this change is MFCed to a stable branch. I could be wrong about this and if so would be happy to rectify it. best Neel > -Ben _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
