From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Tue, 12 Jan 2010 16:34:03 +0000 Subject: question about ARM11MP cpu architecture identification In-Reply-To: References: Message-ID: <20100112163403.GI27771@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Jan 12, 2010 at 06:21:50PM +0200, saeed bishara wrote: > Hi, > The ARM11MP (rev r2p0) cpu architecture is ARMv6, and according to > the http://infocenter.arm.com, its Main ID register is 0x410FB024, and > the MMFR[3:0] is 3. but it looks to me that the cpu_architecture() > will identify it as ARMv7, and if the kernel was configured with > CPU_V7 only, then the lookup_processor_type() function also will > identify it as ARMv7. Am I missing something here? Welcome to the wonderful world of *unprintable*. The age of being able to reliably tell what type of CPU you are running on has sadly well and truely passed into history. I'm afraid it's now a hit-and-miss affair.