From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f5QiD-00079U-K0 for barebox@lists.infradead.org; Mon, 09 Apr 2018 06:55:35 +0000 Date: Mon, 9 Apr 2018 08:55:21 +0200 From: Sascha Hauer Message-ID: <20180409065521.xdup45765li67d4w@pengutronix.de> References: <20180316125354.23462-1-s.hauer@pengutronix.de> <20180316125354.23462-62-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 61/78] ARM: aarch64: mmu: Make zero page faulting To: Andrey Smirnov Cc: Barebox List Hi Andrey, On Tue, Mar 20, 2018 at 09:53:56PM -0700, Andrey Smirnov wrote: > On Fri, Mar 16, 2018 at 5:53 AM, Sascha Hauer wrote: > > Make zero page faulting which allows us to catch NULL pointer derefs. > > > > Signed-off-by: Sascha Hauer > > --- > > arch/arm/cpu/mmu_64.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c > > index 20f6c387f3..094bc0ac62 100644 > > --- a/arch/arm/cpu/mmu_64.c > > +++ b/arch/arm/cpu/mmu_64.c > > @@ -316,6 +316,8 @@ static int mmu_init(void) > > for_each_memory_bank(bank) > > create_sections(bank->start, bank->start, bank->size, CACHED_MEM); > > > > + create_sections(0x0, 0x0, 0x1000, 0x0); > > Sascha: > > Maybe add commit message as comment to the line above as well? Sorry, somehow I ended up ignoring this mail. I added a separate patch adding a comment. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox