From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Date: Wed, 17 Sep 2014 06:44:11 +0000 Subject: Re: [PATCH] framebuffer: fix screen corruption when copying Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mikulas Patocka Cc: Tomi Valkeinen , Jean-Christophe Plagniol-Villard , Linux Fbdev development list , "linux-kernel@vger.kernel.org" Hi Mikulas, On Tue, Sep 16, 2014 at 6:38 PM, Mikulas Patocka wrote: > The patch also removes the references to fb_memmove in the code that is > commented out because fb_memmove was removed from framebuffer subsystem. I'd leave it as-is. Using plain memmove() is not correct, as it should operate on MMIO space, not RAM. On x86 it works with memmove(), though, but not on all architectures. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds