Don't save commit message and just exit your editor. That should make it abort. Works with CVS, git and svn all the same. Killing your editor with -9 should do as well, as long it doesn't do periodic autosave of some sort. On Jan 2, 2016 2:37 PM, "Ian Lepore" <i...@freebsd.org> wrote:
> On Sat, 2016-01-02 at 22:31 +0000, Ian Lepore wrote: > > Author: ian > > Date: Sat Jan 2 22:31:14 2016 > > New Revision: 293063 > > URL: https://svnweb.freebsd.org/changeset/base/293063 > > > > Log: > > Work around problems that happen when there is ram at the end of the > > physical address space. > > > > Modified: > > head/sys/arm/arm/physmem.c > > > > Modified: head/sys/arm/arm/physmem.c > > > ============================================================================== > > --- head/sys/arm/arm/physmem.c> > Sat Jan 2 22:04:37 2016> > > (r293062) > > +++ head/sys/arm/arm/physmem.c> > Sat Jan 2 22:31:14 2016> > > (r293063) > > @@ -280,10 +280,24 @@ arm_physmem_hardware_region(vm_paddr_t p > > > > /* > > > > * Filter out the page at PA 0x00000000. The VM can't handle > it, as > > > > * pmap_extract() == 0 means failure. > > +> > * > > +> > * Also filter out the page at the end of the physical address > space -- > > +> > * if addr is non-zero and addr+size is zero that means we > wrapped to > > +> > * the next byte beyond what vm_paddr_t can express. The > calculations > > +> > * in vm_page_startup() are going to have the same problem, so > just work > > +> > * around it by leaving the last page out. > > +> > * > > +> > * XXX This just in: subtract out a whole megabyte, not just 1 > page. > > +> > * Reducing the size by anything less than 1MB results in a NULL > pointer > > +> > * deref in _vm_map_lock_read() very early in startup. Better > to give > > +> > * up a whole megabyte than leave some folks with an unusable > system > > +> > * while we investigate. > > > > */ > > > > if (pa == 0) { > > > > > pa = PAGE_SIZE; > > > > > sz -= PAGE_SIZE; > > +> > } else if (pa + sz == 0) { > > +> > > sz -= 1024 * 1024; > > > > } > > > > > > /* > > > > Bah. This is not what I intended to commit, I was going to reword that > comment block to better match what I found while testing. I was > editing the commit message when I decided to do that, so I hit ^C in > the shell that was waiting for me to finish editing in emacs, and to my > surprise it sent the commit instead of cancelling. What's the right > way to change your mind at this late stage of a commit? > > -- Ian > > _______________________________________________ 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"
