From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Date: Thu, 19 Dec 2013 18:55:17 +0000 Subject: Re: [PATCH v3] x86: sysfb: remove sysfb when probing real hw Message-Id: <20131219185517.GA303@gmail.com> List-Id: References: <1387374611-12493-1-git-send-email-dh.herrmann@gmail.com> <1387448038-8260-1-git-send-email-dh.herrmann@gmail.com> <52B340CB.90807@wwwdotorg.org> In-Reply-To: <52B340CB.90807@wwwdotorg.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Stephen Warren Cc: David Herrmann , linux-kernel@vger.kernel.org, Takashi Iwai , the arch/x86 maintainers , linux-fbdev@vger.kernel.org, Geert Uytterhoeven , stable@vger.kernel.org * Stephen Warren wrote: > On 12/19/2013 03:13 AM, David Herrmann wrote: > > With CONFIG_X86_SYSFB=y, probing real hw-drivers may result in > > resource-conflicts and drivers will refuse to load. A call to > > request_mem_region() will fail, if the region overlaps with the mem-region > > used by simplefb. The common desktop DRM drivers (intel, nouveau, radeon) > > are not affected as they don't reserve their resources, but some others > > do, including (nvidiafb, cirrus, ..). > > I have validated that this doesn't cause any regressions on the/a > non-x86 platform using simplefb, although given the main point of this > patch is to fix issues on x86, I'm rather hesitant to give a tested-by > tag in case someone looking back interprets it incorrectly:-) Tested-on-ARM-by: Stephen Warren ? Thanks, Ingo