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Message-ID: <20180116120433.GA14579@lst.de>
Date:   Tue, 16 Jan 2018 13:04:33 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jeff Moyer <jmoyer@...hat.com>
Cc:     Christoph Hellwig <hch@....de>, viro@...iv.linux.org.uk,
        Avi Kivity <avi@...lladb.com>, linux-aio@...ck.org,
        linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org,
        linux-api@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 32/32] aio: implement io_pgetevents

On Mon, Jan 15, 2018 at 09:53:10AM +0100, Christoph Hellwig wrote:
> > pselect, as an example, crams the sigmask and size together.  Why not
> > just do that?  libaio can take care of setting that up.
> 
> Yes, I could try that.  It's just another double indirection for no
> good reason.

I cna't get this to work - for some reason I always end up with a NULL
sigmask in the kernel.  Nevermind that it leads to really crap code
generation.  I guess for select the latter doesn't matter too much as
everyone sane uses ppoll anyway.