From mboxrd@z Thu Jan 1 00:00:00 1970 From: nschichan@freebox.fr (Nicolas Schichan) Date: Tue, 25 Aug 2015 15:17:41 +0200 Subject: Prevent list poison values from being mapped by userspace processes In-Reply-To: <20150825081556.GL7557@n2100.arm.linux.org.uk> References: <20150821133043.GV7557@n2100.arm.linux.org.uk> <55DB16AF.7090607@freebox.fr> <20150825081556.GL7557@n2100.arm.linux.org.uk> Message-ID: <55DC6AF5.1090306@freebox.fr> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 08/25/2015 10:15 AM, Russell King - ARM Linux wrote: >> Also, when CONFIG_CPU_SW_DOMAIN_PAN is not set, the DACR_INIT constant is >> setup with (domain_val(DOMAIN_USER, DOMAIN_NOACCESS) which will cause the >> kernel to die with a "page domain fault" when running init. > > If you don't mind, I'll merge that into the patch adding this so it > doesn't introduce a regression there. > > Once I've fixed the abort handler issue, would you mind re-testing > and giving a tested-by attributation please? Sure, I've got no problem with that and I'll be happy to re-test. -- Nicolas Schichan