linux-kernel - Re: [PATCH] signal: don't always leave task frozen after ptrace

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Message-ID: <20190515144335.GC18892@redhat.com>
Date:   Wed, 15 May 2019 16:43:35 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Roman Gushchin <guro@...com>
Cc:     Tejun Heo <tj@...nel.org>, Alex Xu <alex_y_xu@...oo.ca>,
        Kernel Team <Kernel-team@...com>,
        "cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] signal: don't always leave task frozen after
 ptrace_stop()

On 05/14, Roman Gushchin wrote:
>
> I agree that "may_remain_frozen" adds a lot of ugliness, so let's fix
> the regression with the unconditional leave_frozen(true). The patch below.
> Please, let me know if it's not what you meant.

Yes, thanks, this is what I meant. Feel free to add my ACK.

> so it's good only as a temporarily solution. But it looks like we agree here.

Yes, yes.

Oleg.