From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ARM: Select CPU_32v6K for CPU_V7 only if ARCH_OMAP2 isnot selected
Date: Thu, 28 Jan 2010 11:00:50 +0000 [thread overview]
Message-ID: <1264676451.7064.40.camel@pc1117.cambridge.arm.com> (raw)
In-Reply-To: <20100126193748.15134.4837.stgit@baageli.muru.com>
On Tue, 2010-01-26 at 19:37 +0000, Tony Lindgren wrote:
> Otherwise the kernel built with both CPU_V6 and CPU_V7 will not
> boot on omap2.
>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
> ---
> arch/arm/mm/Kconfig | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
> index baf6384..4c2e90d 100644
> --- a/arch/arm/mm/Kconfig
> +++ b/arch/arm/mm/Kconfig
> @@ -399,7 +399,7 @@ config CPU_V6
> config CPU_32v6K
> bool "Support ARM V6K processor extensions" if !SMP
> depends on CPU_V6
> - default y if SMP && !ARCH_MX3
> + default y if SMP && !(ARCH_MX3 || ARCH_OMAP2)
> help
> Say Y here if your ARMv6 processor supports the 'K' extension.
> This enables the kernel to use some instructions not present
> @@ -410,7 +410,7 @@ config CPU_32v6K
> # ARMv7
> config CPU_V7
> bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
> - select CPU_32v6K
> + select CPU_32v6K if !ARCH_OMAP2
I suspect that would be an issue for all ARMv6 platforms without the MP
extensions (v6K). Could we do something like:
select CPU_32v6K if SMP || !CPU_V6
As for the CPU_32v6K config entry, do any of ARCH_MX3 or ARCH_OMAP2
support SMP? We could remove them.
--
Catalin
next prev parent reply other threads:[~2010-01-28 11:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-26 19:37 [PATCH 0/3] Add tmp register for debug-macro.S, do not select CPU_32v6K for omap2 Tony Lindgren
2010-01-26 19:37 ` [PATCH 1/3] ARM: Add tmp register for addruart and loadsp Tony Lindgren
2010-01-26 19:37 ` [PATCH 2/3] ARM: Add tmp register for debug-macro.S files Tony Lindgren
2010-01-26 19:37 ` [PATCH 3/3] ARM: Select CPU_32v6K for CPU_V7 only if ARCH_OMAP2 is not selected Tony Lindgren
2010-01-28 11:00 ` Catalin Marinas [this message]
2010-01-28 17:47 ` [PATCH 3/3] ARM: Select CPU_32v6K for CPU_V7 only if ARCH_OMAP2 isnot selected Tony Lindgren
2010-01-28 18:05 ` Catalin Marinas
2010-01-28 18:33 ` Jamie Lokier
2010-01-29 10:38 ` Catalin Marinas
2010-01-29 10:42 ` Catalin Marinas
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