From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/4] ARM: atomics: don't use exclusives for atomic64 read/set with LPAE
Date: Wed, 27 Mar 2013 10:57:57 +0000 [thread overview]
Message-ID: <20130327105757.GE801@MacBook-Pro.local> (raw)
In-Reply-To: <1364235581-17900-5-git-send-email-will.deacon@arm.com>
On Mon, Mar 25, 2013 at 06:19:41PM +0000, Will Deacon wrote:
> To ease page table updates with 64-bit descriptors, CPUs implementing
> LPAE are required to implement ldrd/strd as atomic operations.
>
> This patch uses these accessors instead of the exclusive variants when
> performing atomic64_{read,set} on LPAE systems.
>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
prev parent reply other threads:[~2013-03-27 10:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-25 18:19 [PATCH 0/4] TLB and mm-related optimisations Will Deacon
2013-03-25 18:19 ` [PATCH 1/4] ARM: tlb: don't perform inner-shareable invalidation for local TLB ops Will Deacon
2013-03-27 10:34 ` Catalin Marinas
2013-03-27 12:07 ` Will Deacon
2013-03-27 12:30 ` Catalin Marinas
2013-03-27 12:56 ` Will Deacon
2013-03-27 13:40 ` Catalin Marinas
2013-03-27 13:54 ` Will Deacon
2013-03-25 18:19 ` [PATCH 2/4] ARM: tlb: don't perform inner-shareable invalidation for local BP ops Will Deacon
2013-03-27 10:36 ` Catalin Marinas
2013-03-25 18:19 ` [PATCH 3/4] ARM: mm: kill unused TLB_CAN_READ_FROM_L1_CACHE and use ALT_SMP instead Will Deacon
2013-03-27 10:53 ` Catalin Marinas
2013-03-27 12:20 ` Will Deacon
2013-05-15 13:18 ` Gregory CLEMENT
2013-05-15 13:41 ` Will Deacon
2013-05-15 13:54 ` Gregory CLEMENT
2013-05-15 14:06 ` Will Deacon
2013-05-15 14:46 ` Gregory CLEMENT
2013-05-15 15:04 ` Will Deacon
2013-05-15 15:36 ` Gregory CLEMENT
2013-05-15 15:41 ` Will Deacon
2013-05-15 16:29 ` Gregory CLEMENT
2013-05-15 16:48 ` Will Deacon
2013-05-15 17:16 ` Russell King - ARM Linux
2013-03-25 18:19 ` [PATCH 4/4] ARM: atomics: don't use exclusives for atomic64 read/set with LPAE Will Deacon
2013-03-27 10:57 ` Catalin Marinas [this message]
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