linux-kernel - Re: [PATCH v3 1/1] pidfd: implement PIDFD_THREAD flag for pidfd

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Date: Wed, 31 Jan 2024 19:15:11 +0100
From: Christian Brauner <brauner@...nel.org>
To: Oleg Nesterov <oleg@...hat.com>
Cc: Tycho Andersen <tycho@...ho.pizza>, 
	"Eric W. Biederman" <ebiederm@...ssion.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] pidfd: implement PIDFD_THREAD flag for
 pidfd_open()

On Wed, Jan 31, 2024 at 07:01:47PM +0100, Oleg Nesterov wrote:
> On 01/31, Tycho Andersen wrote:
> >
> > >  int pidfd_prepare(struct pid *pid, unsigned int flags, struct file **ret)
> > >  {
> > > -	if (!pid || !pid_has_task(pid, PIDTYPE_TGID))
> > > +	bool thread = flags & PIDFD_THREAD;
> > > +
> > > +	if (!pid || !pid_has_task(pid, thread ? PIDTYPE_PID : PIDTYPE_TGID));
> >
> > Small typo here, trailing ;. When I fix that, tests pass for me.
> 
> OOPS.
> 
> Christian, should I spam lkml with v4, or will you add this fix yourself?

I fixed that up. No need to resend!