From: Nathan_Lynch@mentor.com (Nathan Lynch)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 2/6] ARM: allow user access to arch timer virtual counter
Date: Wed, 23 Apr 2014 12:41:03 -0500 [thread overview]
Message-ID: <5357FB2F.8060002@mentor.com> (raw)
In-Reply-To: <20140423173244.GL5649@arm.com>
On 04/23/2014 12:32 PM, Will Deacon wrote:
> On Wed, Apr 23, 2014 at 01:48:53AM +0100, Nathan Lynch wrote:
>> As ARM64 does. This is a necessary prerequisite for implementing
>> gettimeofday and clock_gettime in a vdso.
>
> Doesn't this change make arch_counter_set_user_access identical for arm and
> arm64? In which case, we could move it into the driver itself.
True; I had considered this but wasn't sure how it could be staged.
Would a single patch updating arch/arm64, arch/arm, and
drivers/clocksource/arm_arch_timer.c be okay?
next prev parent reply other threads:[~2014-04-23 17:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 0:48 [PATCH v6 0/6] ARM: vdso gettimeofday using generic timer architecture Nathan Lynch
2014-04-23 0:48 ` [PATCH v6 1/6] ARM: place sigpage at a random offset above stack Nathan Lynch
2014-04-23 0:48 ` [PATCH v6 2/6] ARM: allow user access to arch timer virtual counter Nathan Lynch
2014-04-23 17:32 ` Will Deacon
2014-04-23 17:41 ` Nathan Lynch [this message]
2014-04-24 10:18 ` Will Deacon
2014-04-23 0:48 ` [PATCH v6 3/6] ARM: miscellaneous vdso infrastructure, preparation Nathan Lynch
2014-04-23 0:48 ` [PATCH v6 4/6] ARM: add vdso user-space code Nathan Lynch
2014-04-23 0:48 ` [PATCH v6 5/6] ARM: vdso initialization, mapping, and synchronization Nathan Lynch
2014-04-23 0:48 ` [PATCH v6 6/6] ARM: add CONFIG_VDSO Kconfig and Makefile bits Nathan Lynch
2014-04-23 19:45 ` [PATCH v6 0/6] ARM: vdso gettimeofday using generic timer architecture Stephen Boyd
2014-04-24 2:28 ` Nathan Lynch
2014-04-24 17:00 ` Stephen Boyd
2014-04-23 21:50 ` Russell King - ARM Linux
2014-04-24 7:37 ` Ard Biesheuvel
2014-04-24 15:15 ` Nathan Lynch
2014-04-24 15:25 ` Ard Biesheuvel
2014-04-24 14:59 ` Nathan Lynch
2014-04-24 16:22 ` Russell King - ARM Linux
2014-04-24 18:41 ` Nathan Lynch
2014-04-24 18:45 ` Russell King - ARM Linux
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