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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
	linux-s390@vger.kernel.org,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
	linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	x86@kernel.org, Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux390@de.ibm.com, linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/9] drivers: base: support cpu cache information interface to userspace via sysfs
Date: Wed, 25 Jun 2014 23:23:56 +0100	[thread overview]
Message-ID: <20140625222355.GK32514@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1403717444-23559-3-git-send-email-sudeep.holla@arm.com>

On Wed, Jun 25, 2014 at 06:30:37PM +0100, Sudeep Holla wrote:
> +		coherency_line_size: the minimum amount of data that gets transferred

So, what value to do envision this taking for a CPU where the cache
line size is 32 bytes, but each cache line has two dirty bits which
allow it to only evict either the upper or lower 16 bytes depending
on which are dirty?

-- 
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.

  reply	other threads:[~2014-06-25 22:24 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-25 17:30 [PATCH 0/9] drivers: cacheinfo support Sudeep Holla
2014-06-25 17:30 ` [PATCH 1/9] drivers: base: add new class "cpu" to group cpu devices Sudeep Holla
2014-06-25 17:30 ` [PATCH 2/9] drivers: base: support cpu cache information interface to userspace via sysfs Sudeep Holla
2014-06-25 22:23   ` Russell King - ARM Linux [this message]
2014-06-26 18:41     ` Sudeep Holla
2014-06-26 18:50       ` Russell King - ARM Linux
2014-06-26 19:03         ` Sudeep Holla
2014-07-10  0:09   ` Greg Kroah-Hartman
2014-07-10 13:37     ` Sudeep Holla
2014-06-25 17:30 ` [PATCH 3/9] ia64: move cacheinfo sysfs to generic cacheinfo infrastructure Sudeep Holla
2014-06-25 17:30 ` [PATCH 4/9] s390: " Sudeep Holla
2014-06-25 17:30 ` [PATCH 5/9] x86: " Sudeep Holla
2014-06-25 17:30 ` [PATCH 6/9] powerpc: " Sudeep Holla
2014-06-25 17:30 ` [PATCH 7/9] ARM64: kernel: add support for cpu cache information Sudeep Holla
2014-06-27 10:36   ` Mark Rutland
2014-06-27 11:22     ` Sudeep Holla
2014-06-27 11:34       ` Mark Rutland
2014-06-25 17:30 ` [PATCH 8/9] ARM: " Sudeep Holla
2014-06-25 22:33   ` Russell King - ARM Linux
2014-06-26 11:33     ` Sudeep Holla
2014-06-26  0:19   ` Stephen Boyd
2014-06-26 11:36     ` Sudeep Holla
2014-06-26 18:45       ` Stephen Boyd
2014-06-27  9:38         ` Sudeep Holla
2014-06-25 17:30 ` [PATCH 9/9] ARM: kernel: add outer cache support for cacheinfo implementation Sudeep Holla
2014-06-25 22:37   ` Russell King - ARM Linux
2014-06-26 13:02     ` Sudeep Holla
2014-07-25 16:44 ` [PATCH v2 0/9] drivers: cacheinfo support Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 1/9] drivers: base: add new class "cpu" to group cpu devices Sudeep Holla
2014-07-25 19:09     ` Stephen Boyd
2014-07-28 13:37       ` Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 2/9] drivers: base: support cpu cache information interface to userspace via sysfs Sudeep Holla
2014-07-29 23:09     ` Stephen Boyd
2014-07-30 16:23       ` Sudeep Holla
2014-07-31 19:46         ` Stephen Boyd
2014-08-05 18:15           ` Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 3/9] ia64: move cacheinfo sysfs to generic cacheinfo infrastructure Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 4/9] s390: " Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 5/9] x86: " Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 6/9] powerpc: " Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 7/9] ARM64: kernel: add support for cpu cache information Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 8/9] ARM: " Sudeep Holla
2014-07-25 16:44   ` [PATCH v2 9/9] ARM: kernel: add outer cache support for cacheinfo implementation Sudeep Holla
2014-08-21 10:59   ` [PATCH v3 00/11] drivers: cacheinfo support Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 01/11] cpumask: factor out show_cpumap into separate helper function Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 02/11] topology: replace custom attribute macros with standard DEVICE_ATTR* Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 03/11] drivers: base: add new class "cpu" to group cpu devices Sudeep Holla
2014-08-21 11:20       ` David Herrmann
2014-08-21 12:30         ` Sudeep Holla
2014-08-21 12:37           ` David Herrmann
2014-08-21 14:54             ` Sudeep Holla
2014-08-22  9:12           ` Kay Sievers
2014-08-22 11:29             ` [PATCH] drivers: base: add cpu_device_create to support per-cpu devices Sudeep Holla
2014-08-22 11:37               ` David Herrmann
2014-08-22 11:41                 ` David Herrmann
2014-08-22 12:33                   ` Sudeep Holla
2014-08-26 16:54                     ` Sudeep Holla
2014-08-26 17:08                       ` David Herrmann
2014-08-22 12:17                 ` Sudeep Holla
2014-09-02 17:22               ` Sudeep Holla
2014-09-02 17:26                 ` Greg Kroah-Hartman
2014-09-02 17:40                   ` Sudeep Holla
2014-09-02 17:55                     ` Greg Kroah-Hartman
2014-08-21 10:59     ` [PATCH v3 04/11] drivers: base: support cpu cache information interface to userspace via sysfs Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 05/11] ia64: move cacheinfo sysfs to generic cacheinfo infrastructure Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 06/11] s390: " Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 07/11] x86: " Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 08/11] powerpc: " Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 09/11] ARM64: kernel: add support for cpu cache information Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 10/11] ARM: " Sudeep Holla
2014-08-21 10:59     ` [PATCH v3 11/11] ARM: kernel: add outer cache support for cacheinfo implementation Sudeep Holla

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