Re: [PATCH v3 3/7] mm: Introduce FAULT_FLAG_INTERRUPTIBLE

2019-09-11 Thread David Hildenbrand
On 11.09.19 09:10, Peter Xu wrote: > handle_userfaultfd() is currently the only one place in the kernel > page fault procedures that can respond to non-fatal userspace signals. > It was trying to detect such an allowance by checking against USER & > KILLABLE flags, which was "un-official". > > In

[PATCH v3 3/7] mm: Introduce FAULT_FLAG_INTERRUPTIBLE

2019-09-11 Thread Peter Xu
handle_userfaultfd() is currently the only one place in the kernel page fault procedures that can respond to non-fatal userspace signals. It was trying to detect such an allowance by checking against USER & KILLABLE flags, which was "un-official". In this patch, we introduced a new flag