From mboxrd@z Thu Jan 1 00:00:00 1970 From: mina86@mina86.com (Michal Nazarewicz) Date: Fri, 24 Oct 2014 18:34:46 +0200 Subject: [PATCH 1/4] mm: cma: Don't crash on allocation if CMA area can't be activated In-Reply-To: <1463193.4qGZjcvNod@avalon> References: <1414074828-4488-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> <1414074828-4488-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com> <1463193.4qGZjcvNod@avalon> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > On Thursday 23 October 2014 18:53:36 Michal Nazarewicz wrote: >> As a matter of fact, this is present in kernels earlier than 3.17 but in >> the 3.17 the code has been moved from drivers/base/dma-contiguous.c to >> mm/cma.c so this might require separate stable patch. On Fri, Oct 24 2014, Laurent Pinchart wrote: > That could be done, but I'm not sure if it's really worth it. The bug only > occurs when the CMA zone activation fails. I've ran into that case due to a > bug introduced in v3.18-rc1, but this shouldn't be the case for older kernel > versions. Fair enough. -- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Micha? ?mina86? Nazarewicz (o o) ooo +------ooO--(_)--Ooo--