On Thu, 2 Nov 2017, Linus Torvalds wrote: > On Thu, Nov 2, 2017 at 11:40 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > > > Hmm. Not sure. IIRC you need to be able to read it to figure out where the > > entry points are. They are at fixed offsets, but there is some voodoo out > > there which reads the 'elf' to get to them. > > That would actually be really painful. > > But I *think* you're confusing it with the vdso case, which really > does do that whole "generate ELF information for debuggers and dynamic > linkers" thing. The vsyscall page never did that afaik, and purely > relied on fixed addresses. Yes, managed to confuse myself. The vsycall page has only the fixed offset entry points at least when its in emulation mode. Thanks, tglx -- 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>