linux-kernel - Re: [PATCH 8/8] signal: Remove kernel interal si

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Message-ID: <87wp7dgso8.fsf@xmission.com>
Date:   Wed, 12 Jul 2017 18:08:07 -0500
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Andrei Vagin <avagin@...tuozzo.com>
Cc:     linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Oleg Nesterov <oleg@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>, Greg KH <greg@...ah.com>,
        Andrey Vagin <avagin@...nvz.org>,
        Serge Hallyn <serge@...lyn.com>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Cyrill Gorcunov <gorcunov@...nvz.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Willy Tarreau <w@....eu>, linux-arch@...r.kernel.org,
        linux-api@...r.kernel.org,
        Linux Containers <containers@...ts.linux-foundation.org>,
        Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH 8/8] signal: Remove kernel interal si_code magic

Andrei Vagin <avagin@...tuozzo.com> writes:

>> diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c
>> index 54804866f238..4433d1dc28e6 100644
>> --- a/arch/tile/kernel/traps.c
>> +++ b/arch/tile/kernel/traps.c
>> @@ -188,7 +188,6 @@ static int special_ill(tile_bundle_bits bundle, int *sigp, int *codep)
>>  
>>  	/* Make it the requested signal. */
>>  	*sigp = sig;
>> -	*codep = code | __SI_FAULT;
>
> Are you sure that we don't need to set codep here?

Looking closely we definitely do.  Good catch.  Thank you.

Eric