From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: Re: [PATCH] mISDN: avoid arch specific __builtin_return_address call Date: Tue, 13 Jan 2015 09:17:59 -0800 Message-ID: <1421169479.9233.25.camel@perches.com> References: <1816278.9Bv8N8K5IB@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: isdn4linux@listserv.isdn4linux.de, netdev@vger.kernel.org, Karsten Keil , davem@davemloft.net, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org To: Arnd Bergmann Return-path: In-Reply-To: <1816278.9Bv8N8K5IB@wuerfel> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 2015-01-13 at 17:10 +0100, Arnd Bergmann wrote: > Not all architectures are able to call __builtin_return_address(). > On ARM, the mISDN code produces this warning: > > hardware/mISDN/w6692.c: In function 'w6692_dctrl': > hardware/mISDN/w6692.c:1181:75: warning: unsupported argument to '__builtin_return_address' > pr_debug("%s: %s dev(%d) open from %p\n", card->name, __func__, I didn't know that tidbit. Thanks.