From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/9] ARM: Improve the L2 cache performance when PL310 is used
Date: Mon, 13 Sep 2010 12:36:07 +0100 [thread overview]
Message-ID: <20100913113607.GD30787@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20100831135841.21304.55366.stgit@e102109-lin.cambridge.arm.com>
On Tue, Aug 31, 2010 at 02:58:41PM +0100, Catalin Marinas wrote:
> With this L2 cache controller, the cache maintenance by PA and sync
> operations are atomic and do not require a "wait" loop. This patch
> conditionally defines the cache_wait() function.
>
> Since L2x0 cache controllers do not work with ARMv7 CPUs, the patch
> automatically enables CACHE_PL310 when only CPU_V7 is defined.
This should be a run-time test, as we're moving towards integrating
ARMv6 and ARMv7 support into a single kernel image.
next prev parent reply other threads:[~2010-09-13 11:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-31 13:57 [PATCH 0/9] Various patches for 2.6.37-rc1 Catalin Marinas
2010-08-31 13:58 ` [PATCH 1/9] ARM: Allow lazy cache flushing via PG_arch_1 for highmem pages Catalin Marinas
2010-08-31 13:58 ` [PATCH 2/9] ARM: Assume new page cache pages have dirty D-cache Catalin Marinas
2010-08-31 13:58 ` [PATCH 3/9] ARM: Introduce __sync_icache_dcache() for VIPT caches Catalin Marinas
2010-08-31 13:58 ` [PATCH 4/9] ARM: Use lazy cache flushing on ARMv7 SMP systems Catalin Marinas
2010-08-31 13:58 ` [PATCH 5/9] ARM: Remove superfluous flush_kernel_dcache_page() Catalin Marinas
2010-08-31 13:58 ` [PATCH 6/9] ARM: Implement phys_mem_access_prot() to avoid attributes aliasing Catalin Marinas
2010-08-31 13:58 ` [PATCH 7/9] ARM: Improve the L2 cache performance when PL310 is used Catalin Marinas
2010-09-13 11:36 ` Russell King - ARM Linux [this message]
2010-09-13 11:57 ` Catalin Marinas
2010-08-31 13:58 ` [PATCH 8/9] ARM: Remove the domain switching on ARMv6k/v7 CPUs Catalin Marinas
2010-08-31 13:58 ` [PATCH 9/9] ARM: Add SWP/SWPB emulation for ARMv7 processors (v5) Catalin Marinas
2010-08-31 15:05 ` Kirill A. Shutemov
2010-09-06 15:42 ` Catalin Marinas
2010-09-13 11:55 ` Russell King - ARM Linux
2010-09-14 13:50 ` Leif Lindholm
2010-09-01 4:08 ` Olof Johansson
2010-09-02 17:04 ` Leif Lindholm
2010-09-02 17:20 ` Olof Johansson
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