From: Andrew Lunn <andrew@lunn.ch>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org, ebiederm@xmission.com,
Russell King <linux@armlinux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Souptick Joarder <jrdr.linux@gmail.com>,
Tony Lindgren <tony@atomide.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled
Date: Thu, 25 Oct 2018 21:26:21 +0200 [thread overview]
Message-ID: <20181025192621.GB16785@lunn.ch> (raw)
In-Reply-To: <20181025190110.7564-1-f.fainelli@gmail.com>
On Thu, Oct 25, 2018 at 12:01:08PM -0700, Florian Fainelli wrote:
> Some software such as perf makes unconditional use of the special
> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is
> enabled in the kernel.
>
> Facilitate the debugging of such situations by printing a debug message
> to the kernel log showing the task name and the faulting address.
Hi Florian
Nice. I wish we had this a couple of months ago.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Thanks
Andrew
next prev parent reply other threads:[~2018-10-25 19:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-25 19:01 [PATCH v2] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled Florian Fainelli
2018-10-25 19:26 ` Andrew Lunn [this message]
2018-10-31 22:54 ` Florian Fainelli
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