linux-kernel - Re: [PATCH] kdb: include header in signal handling code

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Message-ID: <20230630153910.GA2901579@aspen.lan>
Date:   Fri, 30 Jun 2023 16:39:10 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Arnd Bergmann <arnd@...nel.org>,
        Jason Wessel <jason.wessel@...driver.com>,
        kgdb-bugreport@...ts.sourceforge.net,
        Doug Anderson <dianders@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kdb: include header in signal handling code

On Fri, Jun 30, 2023 at 05:31:01PM +0200, Arnd Bergmann wrote:
> On Fri, Jun 30, 2023, at 17:24, Daniel Thompson wrote:
> > On Wed, May 17, 2023 at 02:54:09PM +0200, Arnd Bergmann wrote:
> >> diff --git a/kernel/signal.c b/kernel/signal.c
> >> index 8f6330f0e9ca..d38df14f71ac 100644
> >> --- a/kernel/signal.c
> >> +++ b/kernel/signal.c
> >> @@ -4780,6 +4780,8 @@ void __init signals_init(void)
> >>
> >>  #ifdef CONFIG_KGDB_KDB
> >>  #include <linux/kdb.h>
> >> +#include "debug/kdb/kdb_private.h"
> >> +
> >
> > Isn't is better to move the prototype for kdb_send_sig() into
> > linux/kdb.h instead?
> >
> > That's what other kdb helpers spread across the kernel do
> > (kdb_walk_kallsyms() for example).
>
> Right, that is probably better here. Not sure if it's worth
> reworking the branch if you already merged it, the difference
> seems rather minor.

I figure it will take me as long to rework the branch as it will to
write the covering letter on the pull-request to explain why kgdb/kdb
is messing around in kernel/signal.c ;-) .


Daniel.