On Thu, Sep 26, 2019 at 05:38:48PM +0800, Peter Xu wrote: > This is v5 of the series. As Matthew suggested, I split the previous > patch "mm: Return faster for non-fatal signals in user mode faults" > into a few smaller ones: > > 1. One patch to introduce fatal_signal_pending(), and use it in > archs that can directly apply > > 2. A few more patches to let the rest archs to use the new helper. > With that we can have an unified entry for signal detection > > 3. One last patch to change fatal_signal_pending() to detect > userspace non-fatal signal > > Nothing should have changed in the rest patches. Because the fault > retry patches will depend on the previous ones, I decided to simply > repost all the patches. > > Here's the new patchset layout: > > Patch 1-2: cleanup, and potential bugfix of hugetlbfs on fault retry > > Patch 3-9: let page fault to respond to non-fatal signals faster > > Patch 10: remove the userfaultfd NOPAGE emulation > > Patch 11-14: allow page fault to retry more than once > > Patch 15-16: let gup code to use FAULT_FLAG_KILLABLE too > > I would really appreciate any review comments for the series, > especially for the first two patches which IMHO are even not related > to this patchset and they should either cleanup or fix things. Ping.. IMHO this series should fix some real issues, e.g., the whole series targets to fix things like [1] or as patch 2 might fix potential bugs. I'd appreciate if it can get some more review comments. I didn't repost because the last patch only need a one-line change so I assume it does not affect the most rest of reviews. I can repost if anyone would like me to. Thanks, [1] https://lore.kernel.org/lkml/20171102193644.GB22686@xxxxxxxxxx/ -- Peter Xu
