On Thu, Dec 14, 2017 at 08:19:36AM -0800, Andy Lutomirski wrote: > On Thu, Dec 14, 2017 at 3:27 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > It makes no sense to ever prod at special mappings with any of these > > syscalls. > > > > XXX should we include munmap() ? > > This is an ABI break for the vdso. Maybe that's okay, but mremap() on > the vdso is certainly used, and I can imagine debuggers using > mprotect(). *groan*, ok so mremap() will actually still work after this, but yes, mprotect() will not. I hadn't figured people would muck with the VDSO like that. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
