[uml-devel] [GIT PULL] UML changes for v4.12-rc1

2017-05-13 Thread Richard Weinberger
Linus, The following changes since commit a351e9b9fc24e982ec2f0e76379a49826036da12: Linux 4.11 (2017-04-30 19:47:48 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git for-linus-4.12-rc1 for you to fetch changes up to ce4586063f1af780b1c6

Re: [uml-devel] userfaultfd for UML userspace processes

2017-05-13 Thread Anton Ivanov
Am I right that this may be a route to avoid the full munmap we have presently upon exec or I am missing something. If that is the case it will be well worth it. On 13 May 2017 11:24:04 GMT+01:00, Thomas Meyer wrote: >Am 13.05.2017 um 12:04 schrieb Richard Weinberger: >> Thomas, > >Hi, > >> On

Re: [uml-devel] userfaultfd for UML userspace processes

2017-05-13 Thread Thomas Meyer
Am 13.05.2017 um 12:04 schrieb Richard Weinberger: > Thomas, Hi, > On Sat, May 13, 2017 at 10:10 AM, Thomas Meyer wrote: >> >> Hi, >> >> after looking into using userfaultfd for the userspace UML process >> page fault handling, I come to the conclusion that userfaultfd >> *cannot* be used for ab

Re: [uml-devel] userfaultfd for UML userspace processes

2017-05-13 Thread Richard Weinberger
Thomas, On Sat, May 13, 2017 at 10:10 AM, Thomas Meyer wrote: > > Hi, > > after looking into using userfaultfd for the userspace UML process > page fault handling, I come to the conclusion that userfaultfd > *cannot* be used for above goal as it only operates on mmaped memory > areas. > Am I miss

[uml-devel] userfaultfd for UML userspace processes

2017-05-13 Thread Thomas Meyer
Hi, after looking into using userfaultfd for the userspace UML process page fault handling, I come to the conclusion that userfaultfd *cannot* be used for above goal as it only operates on mmaped memory areas. Am I missing something? What do you think about it? with kind regards thomas