Re: [PATCH RFC 00/24] userfaultfd: write protection support

2019-01-22 Thread David Hildenbrand
On 22.01.19 04:18, Peter Xu wrote: > On Mon, Jan 21, 2019 at 03:33:21PM +0100, David Hildenbrand wrote: > > [...] > >> Does this series fix the "false positives" case I experienced on early >> prototypes of uffd-wp? (getting notified about a write access although >> it was not a write access?) >

Re: [PATCH RFC 00/24] userfaultfd: write protection support

2019-01-21 Thread Peter Xu
On Mon, Jan 21, 2019 at 03:33:21PM +0100, David Hildenbrand wrote: [...] > Does this series fix the "false positives" case I experienced on early > prototypes of uffd-wp? (getting notified about a write access although > it was not a write access?) Hi, David, Yes it should solve it. The early

Re: [PATCH RFC 00/24] userfaultfd: write protection support

2019-01-21 Thread David Hildenbrand
On 21.01.19 08:56, Peter Xu wrote: > Hi, > > This series implements initial write protection support for > userfaultfd. Currently both shmem and hugetlbfs are not supported > yet, but only anonymous memory. > > To be simple, either "userfaultfd-wp" or "uffd-wp" might be used in > later paragraph