From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: question about ARM11MP cpu architecture identification
Date: Tue, 12 Jan 2010 16:34:03 +0000 [thread overview]
Message-ID: <20100112163403.GI27771@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <c70ff3ad1001120821u1f546480nd0229e560d84293@mail.gmail.com>
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.
prev parent reply other threads:[~2010-01-12 16:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-12 16:21 question about ARM11MP cpu architecture identification saeed bishara
2010-01-12 16:26 ` Catalin Marinas
2010-01-12 16:42 ` Russell King - ARM Linux
2010-01-12 16:55 ` Catalin Marinas
2010-01-12 17:03 ` saeed bishara
2010-01-12 17:17 ` Russell King - ARM Linux
2010-01-12 17:24 ` Russell King - ARM Linux
2010-01-12 18:01 ` Catalin Marinas
2010-01-12 19:55 ` Nicolas Pitre
2010-01-13 11:27 ` saeed bishara
2010-01-13 11:36 ` Russell King - ARM Linux
2010-01-12 17:06 ` Russell King - ARM Linux
2010-01-12 16:50 ` saeed bishara
2010-01-12 16:34 ` Russell King - ARM Linux [this message]
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