From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/6] ARMv7: Use lazy cache flushing if hardware broadcastscache operations
Date: Mon, 8 Mar 2010 16:31:25 +0000 [thread overview]
Message-ID: <20100308163125.GA13856@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1268065501.25012.28.camel@e102109-lin.cambridge.arm.com>
On Mon, Mar 08, 2010 at 04:25:01PM +0000, Catalin Marinas wrote:
> Hi Russell,
>
> On Mon, 2009-12-07 at 14:13 +0000, Catalin Marinas wrote:
> > ARMv7 processors like Cortex-A9 broadcast the cache maintenance
> > operations in hardware. The patch adds the CPU ID checks for such
> > feature and allows the flush_dcache_page/update_mmu_cache pair to work
> > in lazy flushing mode similar to the UP case.
>
> It looks like I haven't got a final ok from you on this patch (I had the
> impression that it's in the patch system already but rebased my patches
> and found that it's not in mainline).
It needs to be updated - we have a cache_ops_need_broadcast() in
smp_plat.h now for the ptrace issues.
next prev parent reply other threads:[~2010-03-08 16:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-07 14:10 [PATCH 0/6] Bug-fixes and new features for 2.6.34-rc1 Catalin Marinas
2009-12-07 14:10 ` [PATCH 1/6] Global ASID allocation on SMP Catalin Marinas
2009-12-07 14:13 ` [PATCH 2/6] Broadcast the DMA cache operations on ARMv6 SMP hardware Catalin Marinas
2009-12-07 14:13 ` [PATCH 3/6] Fix a race in the vfp_notifier() function on SMP systems Catalin Marinas
2009-12-12 12:24 ` Russell King - ARM Linux
2009-12-12 13:57 ` Russell King - ARM Linux
2009-12-14 12:21 ` Catalin Marinas
2009-12-14 12:15 ` Catalin Marinas
2009-12-14 16:28 ` [PATCH 3/6] Fix a race in the vfp_notifier() function on SMPsystems Catalin Marinas
2009-12-07 14:13 ` [PATCH 4/6] ARMv7: Use lazy cache flushing if hardware broadcasts cache operations Catalin Marinas
2010-03-08 16:25 ` [PATCH 4/6] ARMv7: Use lazy cache flushing if hardware broadcastscache operations Catalin Marinas
2010-03-08 16:31 ` Russell King - ARM Linux [this message]
2010-03-08 16:38 ` [PATCH 4/6] ARMv7: Use lazy cache flushing if hardwarebroadcastscache operations Catalin Marinas
2009-12-07 14:14 ` [PATCH 5/6] ARMv7: Improved page table format with TRE and AFE Catalin Marinas
2009-12-12 11:28 ` Russell King - ARM Linux
2009-12-14 15:50 ` Catalin Marinas
2009-12-14 15:58 ` Catalin Marinas
2009-12-14 16:11 ` Russell King - ARM Linux
2009-12-14 16:16 ` Catalin Marinas
2009-12-07 14:16 ` [PATCH 6/6] Remove the domain switching on ARMv6k/v7 CPUs Catalin Marinas
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