From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Jon Medhurst <tixy@yxit.co.uk>,
Leif Lindholm <leif.lindholm@arm.com>
Subject: Re: [PATCH 4/4] ARM: kprobes: make more tests conditional
Date: Wed, 22 Aug 2012 10:42:40 -0400 (EDT) [thread overview]
Message-ID: <alpine.LFD.2.02.1208221040250.1754@xanadu.home> (raw)
In-Reply-To: <1345645780-2749-5-git-send-email-arnd@arndb.de>
On Wed, 22 Aug 2012, Arnd Bergmann wrote:
> The mls instruction is not available in ARMv6K or below, so we
> should make the test conditional on at least ARMv7. ldrex/strex
> are available in ARMv6K or ARMv7, which we can test by checking
> the CONFIG_CPU_32v6K symbol. Just testing for ARMv6 is not enough.
The ldrex/strex instructions are available on ARMv6. It's only the d
variants (strexd/ldrexd) which are only available from ARMv6k.
Nicolas
next prev parent reply other threads:[~2012-08-22 14:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 14:29 [PATCH 0/4] ARM: patches for randconfig build errors Arnd Bergmann
2012-08-22 14:29 ` [PATCH 1/4] ARM: export read_current_timer Arnd Bergmann
2012-08-22 17:15 ` Stephen Boyd
2012-08-22 17:49 ` Will Deacon
2012-08-22 17:57 ` Stephen Boyd
2012-08-22 17:58 ` Will Deacon
2012-08-23 4:23 ` Shinya Kuribayashi
2012-08-23 3:56 ` Shinya Kuribayashi
2012-08-22 14:29 ` [PATCH 2/4] ARM: allow PID_IN_CONTEXTIDR only for ARMv7 Arnd Bergmann
2012-08-22 14:39 ` Will Deacon
2012-08-22 14:44 ` Arnd Bergmann
2012-08-22 14:29 ` [PATCH 3/4] ARM: export set_irq_flags/irq_set_chip_and_handler Arnd Bergmann
2012-08-22 14:29 ` [PATCH 4/4] ARM: kprobes: make more tests conditional Arnd Bergmann
2012-08-22 14:42 ` Nicolas Pitre [this message]
2012-08-22 15:19 ` Arnd Bergmann
2012-08-22 15:38 ` Nicolas Pitre
2012-08-22 18:41 ` [PATCHv3 " Arnd Bergmann
2012-08-22 19:43 ` Nicolas Pitre
2012-08-22 23:51 ` Tixy
2012-08-23 12:09 ` [PATCHv4 " Arnd Bergmann
2012-08-23 17:28 ` Tixy
2012-08-23 18:04 ` Nicolas Pitre
2012-08-23 12:25 ` [PATCHv3 " Will Deacon
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