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

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

2019-01-20 Thread Peter Xu
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 paragraphs. The whole series can also be found at: