linux-kernel - Re: [PATCH v2] stacktrace: cleanup inconsistent variable type

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Date:   Thu, 7 May 2020 17:04:48 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Walter Wu <walter-zh.wu@...iatek.com>
Cc:     Bart Van Assche <bvanassche@....org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        wsd_upstream <wsd_upstream@...iatek.com>
Subject: Re: [PATCH v2] stacktrace: cleanup inconsistent variable type

On Wed, 6 May 2020 10:18:24 +0800 Walter Wu <walter-zh.wu@...iatek.com> wrote:

> On Wed, 2020-04-22 at 18:21 -0700, Bart Van Assche wrote:
> > On 4/20/20 6:35 PM, Walter Wu wrote:
> > > Modify the variable type of 'skip' member of struct stack_trace.
> > > In theory, the 'skip' variable type should be unsigned int.
> > > There are two reasons:
> > > - The 'skip' only has two situation, 1)Positive value, 2)Zero
> > > - The 'skip' of struct stack_trace has inconsistent type with struct
> > >    stack_trace_data, it makes a bit confusion in the relationship between
> > >    struct stack_trace and stack_trace_data.
> > 
> > Reviewed-by: Bart Van Assche <bvanassche@....org>
> 
> Hi Andrew,
> 
> Would you know why not to be picked up this patch yet?
> Do I miss somethings?

I'd decided to pass on this because it's so minor.  We inappropriately
use signed types in soooo many places :(