Re: [PATCH 10/12] sched: use {cpu|node}mask pr_cont and seq output functions
From: Tejun Heo
Date: Mon Jan 12 2015 - 09:00:33 EST
On Mon, Jan 12, 2015 at 08:55:21AM -0500, Tejun Heo wrote:
> On Mon, Jan 12, 2015 at 02:50:34PM +0100, Peter Zijlstra wrote:
> > See this thread:
> > https://lkml.org/lkml/2012/5/9/416
> > https://lkml.org/lkml/2012/5/9/353
> >
> > At the time I couldn't make it work :/
>
> Dang, I was worrying about the same thing, so the compiler does
> complain about using precision with a pointer. :(
Hmmm... I think I'd just go with "%*pb" and use the width as meaning
the bitwidth. It isn't perfect but should be a good enough compromise
especially given that fancy dynamic padding isn't something we do
often in the kernel and there's a recourse for that - printing to
string buffer and print that with %*s - which is what we need to do
right now anyway.
Thanks.
--
tejun
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