On Sun, Mar 11, 2018 at 01:15:59PM -0700, Linus Torvalds wrote: > On Sun, Mar 11, 2018 at 3:55 AM, Dominik Brodowski > <li...@dominikbrodowski.net> wrote: > > Here is a first set of patches which reduce the number of syscall > > invocations > > from within the kernel. > > This all looks ok to me. I think there may be some room for cleanup > and bikeshedding later (the "ksys_mmap_pgoff()" name made me go "that > sounds more like a real helper than a kernel syscall", for example), > but on the whole I think it's best to start with this kind of fairly > direct translation. > > In fact, because it all looks *so* mechanical, I'd even be willing to > just pull this into 4.16, if that makes the real work that this > depends on easier? > > Anyway, ack from me, qith the only question being how you want to > handle the patches. Direct pull request to me, go through the -mm > tree, or just keep them in your own git tree and then build upon it > and send it all later?
Thanks for your feedback! As I think this deserves at least another round of review and some testing by 0day, I've set up a git tree at https://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux syscalls-next This will allow me to re-base and tweak the patches for a while, and add some more similar patches on top. For example, besides the first set of 35+1 patches in the aforementioned branch "syscalls-next" there are a few other patches -- including one you might find familiar -- in "syscalls-WIP" which are not fully ready yet. The patches in that repository also include the following changes since yesterday's RFC: - rebase to v4.15-rc5 - sys_ioperm already got its SYSCALL_DEFINE3 - add ACK from Richard Weinberger - modify CC -> Cc (suggested by Ingo Molnar) - update comment in include/linux/syscalls.h (suggested by Ingo Molnar and Andy Lutomirski) - separate declarations from definitions with newlines in include/linux/syscalls.h; add comment on ksys_close() (suggested by Ingo Molnar) - expand commit messages (suggested by Christoph Hellwig) - add patch 36: fs: add ksys_open() wrapper; remove in-kernel calls to sys_open() Thanks, Dominik