From: Tejun Heo <tj@kernel.org>
To: Christoph Lameter <cl@linux.com>
Cc: akpm@linuxfoundation.org, rostedt@goodmis.org,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Mike Frysinger <vapier@gentoo.org>
Subject: Re: [PATCH 29/35] [PATCH 29/36] blackfin: Replace __get_cpu_var uses
Date: Tue, 26 Aug 2014 14:15:40 -0400 [thread overview]
Message-ID: <20140826181540.GL31659@mtj.dyndns.org> (raw)
In-Reply-To: <20140817173037.442850335@linux.com>
On Sun, Aug 17, 2014 at 12:30:52PM -0500, Christoph Lameter wrote:
> __get_cpu_var() is used for multiple purposes in the kernel source. One of
> them is address calculation via the form &__get_cpu_var(x). This calculates
> the address for the instance of the percpu variable of the current processor
> based on an offset.
>
> Other use cases are for storing and retrieving data from the current
> processors percpu area. __get_cpu_var() can be used as an lvalue when
> writing data or on the right side of an assignment.
...
> CC: Mike Frysinger <vapier@gentoo.org>
> Signed-off-by: Christoph Lameter <cl@linux.com>
(Please disregard the ones I posted for v1 of the patch series)
Applied to percpu/for-3.18-consistent-ops. Please let me know if this
patch should be routed differently. Note that this patch was to be
applied to percpu/for-3.17 but delayed due to build issues caused by
cpumask_var_t.
Thanks.
--
tejun
next prev parent reply other threads:[~2014-08-26 18:15 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-17 17:30 [PATCH 00/35] percpu: Consistent per cpu operations V7 Christoph Lameter
2014-08-17 17:30 ` [PATCH 01/35] [PATCH 02/36] kernel misc: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:04 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 02/35] [PATCH 03/36] time: " Christoph Lameter
2014-08-26 18:05 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 03/35] time: Convert a bunch of &__get_cpu_var introduced in the 3.16 merge period Christoph Lameter
2014-08-26 18:05 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 04/35] [PATCH 04/36] scheduler: Replace __get_cpu_var with this_cpu_ptr Christoph Lameter
2014-08-26 18:05 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 05/35] [PATCH 05/36] block: Replace __this_cpu_ptr with raw_cpu_ptr Christoph Lameter
2014-08-26 18:06 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 06/35] [PATCH 06/36] drivers/char/random: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:07 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 07/35] [PATCH 07/36] drivers/cpuidle: Replace __get_cpu_var uses for address calculation Christoph Lameter
2014-08-26 18:07 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 08/35] [PATCH 08/36] drivers/oprofile: " Christoph Lameter
2014-08-26 18:08 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 09/35] [PATCH 09/36] drivers/clocksource: Replace __get_cpu_var used " Christoph Lameter
2014-08-26 18:08 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 10/35] [PATCH 10/36] drivers/net/ethernet/tile: Replace __get_cpu_var uses " Christoph Lameter
2014-08-26 18:08 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 11/35] [PATCH 11/36] watchdog: Replace __raw_get_cpu_var uses Christoph Lameter
2014-08-26 18:08 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 12/35] [PATCH 12/36] net: Replace get_cpu_var through this_cpu_ptr Christoph Lameter
2014-08-26 18:09 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 13/35] [PATCH 13/36] md: Replace __this_cpu_ptr with raw_cpu_ptr Christoph Lameter
2014-08-26 18:09 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 14/35] [PATCH 14/36] metag: Replace __get_cpu_var uses for address calculation Christoph Lameter
2014-08-26 18:09 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 15/35] [PATCH 15/36] drivers/net/ethernet/tile: __get_cpu_var call introduced in 3.14 Christoph Lameter
2014-08-26 18:09 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 16/35] [PATCH 16/36] irqchips: Replace __this_cpu_ptr uses Christoph Lameter
2014-08-26 18:10 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 17/35] [PATCH 17/36] x86: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:10 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 18/35] [PATCH 18/36] uv: Replace __get_cpu_var Christoph Lameter
2014-08-26 18:11 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 19/35] [PATCH 19/36] arm: Replace __this_cpu_ptr with raw_cpu_ptr Christoph Lameter
2014-08-22 17:48 ` Will Deacon
2014-08-26 18:11 ` Tejun Heo
2014-08-26 18:16 ` Will Deacon
2014-08-26 18:19 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 20/35] [PATCH 20/36] MIPS: Replace __get_cpu_var uses in FPU emulator Christoph Lameter
2014-08-26 18:12 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 21/35] [PATCH 21/36] mips: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:12 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 22/35] [PATCH 22/36] s390: " Christoph Lameter
2014-08-26 18:13 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 23/35] [PATCH 23/36] s390: cio driver &__get_cpu_var replacements Christoph Lameter
2014-08-26 18:13 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 24/35] [PATCH 24/36] ia64: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:13 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 25/35] [PATCH 25/36] alpha: Replace __get_cpu_var Christoph Lameter
2014-08-26 18:14 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 26/35] [PATCH 26/36] powerpc: Replace __get_cpu_var uses Christoph Lameter
2014-08-18 2:45 ` Christoph Lameter
2014-08-26 18:14 ` Tejun Heo
2014-12-16 22:07 ` Alexander Graf
2014-12-17 9:43 ` Paolo Bonzini
2014-12-17 15:31 ` Christoph Lameter
2014-08-17 17:30 ` [PATCH 27/35] [PATCH 27/36] tile: " Christoph Lameter
2014-08-26 18:11 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 28/35] [PATCH 28/36] tile: Use this_cpu_ptr() for hardware counters Christoph Lameter
2014-08-26 18:15 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 29/35] [PATCH 29/36] blackfin: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:15 ` Tejun Heo [this message]
2014-08-17 17:30 ` [PATCH 30/35] [PATCH 30/36] avr32: Replace __get_cpu_var with __this_cpu_write Christoph Lameter
2014-08-26 18:15 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 31/35] [PATCH 31/36] sparc: Replace __get_cpu_var uses Christoph Lameter
2014-08-26 18:16 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 32/35] [PATCH 32/36] clocksource: Replace __this_cpu_ptr with raw_cpu_ptr Christoph Lameter
2014-08-26 18:16 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 33/35] [PATCH 34/36] percpu: Remove __this_cpu_ptr Christoph Lameter
2014-08-26 18:16 ` Tejun Heo
2014-08-17 17:30 ` [PATCH 34/35] [PATCH 01/36] __get_cpu_var/cpumask_var_t: Resolve ambiguities Christoph Lameter
2014-08-17 17:30 ` [PATCH 35/35] [PATCH 33/36] Remove __get_cpu_var and __raw_get_cpu_var macros [only in 3.17] Christoph Lameter
2014-08-26 18:17 ` [PATCH 00/35] percpu: Consistent per cpu operations V7 Tejun Heo
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