linux-kernel - Re: [RFC patch 28/41] dma/debug: Simplify stracktrace retrieval

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Message-ID: <20190410230933.7d1138b3@oasis.local.home>
Date:   Wed, 10 Apr 2019 23:09:33 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Andy Lutomirski <luto@...nel.org>,
        Alexander Potapenko <glider@...gle.com>,
        iommu@...ts.linux-foundation.org,
        Robin Murphy <robin.murphy@....com>,
        Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [RFC patch 28/41] dma/debug: Simplify stracktrace retrieval

On Wed, 10 Apr 2019 22:02:01 -0500
Josh Poimboeuf <jpoimboe@...hat.com> wrote:

> >  #ifdef CONFIG_STACKTRACE
> > -	struct		 stack_trace stacktrace;
> > -	unsigned long	 st_entries[DMA_DEBUG_STACKTRACE_ENTRIES];
> > +	unsigned int	st_len;
> > +	unsigned long	st_entries[DMA_DEBUG_STACKTRACE_ENTRIES];  
> 
> nit: st_entries isn't very readable.  Thanks to the magic of compilers,
> the characters are free, so why not call them "stacktrace_entries" and
> "stacktrace_len".

But doesn't that slow down the time it takes to compile?

/me runs...

-- Steve