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    SubjectRe: [RFC][PATCH 1/3] Freezer: Fix vfork problem
    Date
    On Monday, 26 February 2007 17:11, Oleg Nesterov wrote:
    > On 02/26, Srivatsa Vaddagiri wrote:
    > >
    > > On Mon, Feb 26, 2007 at 03:00:43PM +0300, Oleg Nesterov wrote:
    > > > In that case we should also modify ____call_usermodehelper(), otherwise we have
    > > > the same "deadlock" if it is frozen. But this is not so easy to do as I thought
    > > > before.
    > >
    > > Before ____call_usermodehelper can freeze, it should have entered userspace
    > > right? By that time, its vfork parent should have definitely woken up,
    > > which should avoid the deadlock you point out?
    >
    > Ah, yes, thanks for correcting me.
    >
    > We are doing flush_old_exec() a way before entering userspace of course.

    Well, does it mean the patch is acceptable or should I modify it somehow?

    Rafael
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