From: Prarit Bhargava <prarit@redhat.com>
To: Heiko Carstens <heiko.carstens@de.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lib/bug: make panic_on_warn available for all architectures
Date: Fri, 22 Jan 2016 08:53:20 -0500 [thread overview]
Message-ID: <56A23450.8090900@redhat.com> (raw)
In-Reply-To: <1453468336-60133-1-git-send-email-heiko.carstens@de.ibm.com>
On 01/22/2016 08:12 AM, Heiko Carstens wrote:
> Christian Borntraeger reported that panic_on_warn doesn't have any
> effect on s390.
>
> The panic_on_warn feature was introduced with 9e3961a09798 ("kernel:
> add panic_on_warn"). However it did care only for the case when
> WANT_WARN_ON_SLOWPATH is defined. This is turn is only the case for
> architectures which do not have an own __WARN_TAINT defined.
>
> Other architectures which do have __WARN_TAINT defined call
> report_bug() for warnings within lib/bug.c which does not call panic()
> in case panic_on_warn is set.
>
> Let's simply enable the panic_on_warn feature by adding the same code
> like it was added to warn_slowpath_common() in panic.c.
>
> This enables panic_on_warn also for arm64, parisc, powerpc, s390 and
> sh.
>
> Cc: Prarit Bhargava <prarit@redhat.com>
> Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Prarit Bhargava <prarit@redhat.com>
P.
next prev parent reply other threads:[~2016-01-22 13:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-22 13:12 [PATCH] lib/bug: make panic_on_warn available for all architectures Heiko Carstens
2016-01-22 13:41 ` Christian Borntraeger
2016-01-22 13:53 ` Prarit Bhargava [this message]
2016-01-26 23:14 ` Andrew Morton
2016-02-01 14:06 ` Heiko Carstens
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