From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: [PATCH] Build with -fno-delete-null-pointer-checks
Date: Mon, 13 Jul 2015 09:19:29 +0200 [thread overview]
Message-ID: <20150713071929.GV1426@pengutronix.de> (raw)
In-Reply-To: <1436353060-22497-1-git-send-email-s.hauer@pengutronix.de>
On Wed, Jul 08, 2015 at 12:57:40PM +0200, Sascha Hauer wrote:
> This becomes important with gcc-4.9. Without this gcc assumes
> that accessing NULL pointers traps and everything that happens
> behind the access is not executed. This recently happened with
> i.MX53 which has:
>
> static int imx53_silicon_revision(void)
> {
> void __iomem *rom = MX53_IROM_BASE_ADDR;
I assume MX53_IROM_BASE_ADDR is 0? Is this worth to be pointed out in
the commit log?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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prev parent reply other threads:[~2015-07-13 7:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 10:57 Sascha Hauer
2015-07-08 16:14 ` Marc Kleine-Budde
2015-07-13 7:13 ` Sascha Hauer
2015-07-13 7:19 ` Uwe Kleine-König [this message]
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