Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1671838

Re: [criu] 1M guard page ruined restore

From Oleg Nesterov <oleg@redhat.com>
Newsgroups linux.kernel
Subject Re: [criu] 1M guard page ruined restore
Date 2017-06-21 19:40 +0200
Message-ID <tURLI-Mh-3@gated-at.bofh.it> (permalink)
References (3 earlier) <tUQFY-8uH-9@gated-at.bofh.it> <tUQFY-8uH-5@gated-at.bofh.it> <tURiF-zB-1@gated-at.bofh.it> <tURLI-Mh-5@gated-at.bofh.it> <tURLI-Mh-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On 06/21, Dmitry Safonov wrote:
>
> The only question I have - how is it connected to guard page?

Because with stack guard page do_page_fault() almost never needs to
call expand_stack(), thus this check was almost never tested, I guess.
Probably it should go away now.

I'll write the changelog and patch tomorrow, unless someone does this
before.

Oleg.

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-20 10:00 +0200
  Re: [criu] 1M guard page ruined restore Hugh Dickins <hughd@google.com> - 2017-06-20 12:30 +0200
    Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-20 12:50 +0200
    Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-21 18:30 +0200
      Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-21 19:10 +0200
        Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-21 19:20 +0200
          Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-21 20:00 +0200
        Re: [criu] 1M guard page ruined restore Willy Tarreau <w@1wt.eu> - 2017-06-21 19:20 +0200
        Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-21 19:40 +0200
          Re: [criu] 1M guard page ruined restore Hugh Dickins <hughd@google.com> - 2017-06-22 03:30 +0200
            Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-22 10:10 +0200
        Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-22 16:30 +0200
          Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-22 17:10 +0200
    Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-21 18:30 +0200
      Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-21 18:40 +0200
      Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-21 18:50 +0200
  Re: [criu] 1M guard page ruined restore Oleg Nesterov <oleg@redhat.com> - 2017-06-20 13:00 +0200
    Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-20 13:20 +0200
    Re: [criu] 1M guard page ruined restore Cyrill Gorcunov <gorcunov@gmail.com> - 2017-06-20 14:00 +0200

csiph-web