From: daniel.thompson@linaro•org (Daniel Thompson)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC PATCH 2/7] printk: Simple implementation for NMI backtracing
Date: Mon, 23 Mar 2015 14:51:56 +0000 [thread overview]
Message-ID: <5510288C.3020702@linaro.org> (raw)
In-Reply-To: <20150319150111.778d21d3@gandalf.local.home>
On 19/03/15 19:01, Steven Rostedt wrote:
> On Thu, 19 Mar 2015 18:48:10 +0000
> Daniel Thompson <daniel.thompson@linaro•org> wrote:
> \
>> The barrier was not intended to have anything to do with put_cpu()
>> either though since the barrier was added before put_cpu() arrived:
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=554ec063982752e9a569ab9189eeffa3d96731b2
>>
>> There's nothing in the commit comment explaining the barrier and I
>> really can't see what it is for.
>>
>
> Looks like it wasn't needed then either.
Agreed. I'll respin the patchset with the barrier removed.
Daniel.
next prev parent reply other threads:[~2015-03-23 14:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-18 14:20 [RFC PATCH 0/7] Pseudo-NMI for arm64 using ICC_PMR_EL1 (GICv3) Daniel Thompson
2015-03-18 14:20 ` [RFC PATCH 1/7] serial: Emulate break using control characters Daniel Thompson
2015-03-19 22:05 ` Peter Hurley
2015-03-23 15:14 ` Daniel Thompson
2015-03-20 14:28 ` Dave Martin
2015-03-23 15:28 ` Daniel Thompson
2015-03-23 16:28 ` Dave Martin
2015-03-23 19:05 ` One Thousand Gnomes
2015-03-18 14:20 ` [RFC PATCH 2/7] printk: Simple implementation for NMI backtracing Daniel Thompson
2015-03-19 17:39 ` Steven Rostedt
2015-03-19 18:30 ` Peter Zijlstra
2015-03-19 18:48 ` Daniel Thompson
2015-03-19 19:01 ` Steven Rostedt
2015-03-23 14:51 ` Daniel Thompson [this message]
2015-03-18 14:20 ` [RFC PATCH 3/7] irqchip: gic-v3: Reset BPR during initialization Daniel Thompson
2015-03-18 14:20 ` [RFC PATCH 4/7] arm64: irqflags: Reorder the fiq & async macros Daniel Thompson
2015-03-18 14:20 ` [RFC PATCH 5/7] arm64: irqflags: Use ICC sysregs to implement IRQ masking Daniel Thompson
2015-03-18 14:20 ` [RFC PATCH 6/7] arm64: irqflags: Automatically identify I bit mis-management Daniel Thompson
2015-03-18 14:20 ` [RFC PATCH 7/7] arm64: Add support for on-demand backtrace of other CPUs Daniel Thompson
2015-03-20 15:45 ` [RFC PATCH 0/7] Pseudo-NMI for arm64 using ICC_PMR_EL1 (GICv3) Dave Martin
2015-03-23 18:47 ` Daniel Thompson
2015-04-01 15:15 ` Dave Martin
2015-04-01 15:29 ` Marc Zyngier
2015-04-08 12:27 ` Daniel Thompson
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