linux-kernel - Re: [RFC][PATCH] sched/wait_bit: Introduce wait_var_event()/wake_up

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Message-ID: <20180315111915.GV4064@hirez.programming.kicks-ass.net>
Date:   Thu, 15 Mar 2018 12:19:15 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Ingo Molnar <mingo@...hat.com>, Christoph Hellwig <hch@....de>,
        david <david@...morbit.com>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Jan Kara <jack@...e.cz>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: Re: [RFC][PATCH] sched/wait_bit: Introduce
 wait_var_event()/wake_up_var()

On Thu, Mar 15, 2018 at 09:58:42AM +0000, David Howells wrote:
> Peter Zijlstra <peterz@...radead.org> wrote:
> 
> > > > Argh, no no no.. That whole wait_for_atomic_t thing is a giant
> > > > trainwreck already and now you're making it worse still.
> 
> Your patch description needs to say why this isn't a trainwreck when you
> consider wait_for_atomic_t() to be one since it does things in a very similar
> way.

Yeah, still writing changelogs..