From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [v2] powerpc/mm: make NULL pointer deferences explicit on bad page faults.
Date: Sat, 22 Dec 2018 20:54:47 +1100 (AEDT) [thread overview]
Message-ID: <43MLSl3qq5z9sPD@ozlabs.org> (raw)
In-Reply-To: <46e2533084dc3255a1d67553b682bd4b9642b176.1544800765.git.christophe.leroy@c-s.fr>
On Fri, 2018-12-14 at 15:23:33 UTC, Christophe Leroy wrote:
> As several other arches including x86, this patch makes it explicit
> that a bad page fault is a NULL pointer dereference when the fault
> address is lower than PAGE_SIZE
>
> In the mean time, this page makes all bad_page_fault() messages shorter
> so that they remain on one single line. And it prefixes them by "BUG: "
> so that they get easily greped.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/49a502ea23bf9dec47f8f3c3960909
cheers
prev parent reply other threads:[~2018-12-22 10:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-14 15:23 [PATCH v2] powerpc/mm: make NULL pointer deferences explicit on bad page faults Christophe Leroy
2018-12-14 15:23 ` Christophe Leroy
2018-12-17 12:28 ` Michael Ellerman
2018-12-17 12:28 ` Michael Ellerman
2018-12-22 9:54 ` Michael Ellerman [this message]
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