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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: david.vrabel@citrix.com, konrad.wilk@oracle.com, tglx@linutronix.de
Cc: xen-devel@lists.xenproject.org, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] Reinstate irq alloc/dealloc locking patch
Date: Fri, 22 Apr 2016 10:35:34 -0400	[thread overview]
Message-ID: <571A36B6.9000806__25221.5315973901$1461335820$gmane$org@oracle.com> (raw)
In-Reply-To: <1458221613-21563-1-git-send-email-boris.ostrovsky@oracle.com>

Ping?

On 03/17/2016 09:33 AM, Boris Ostrovsky wrote:
> Original version of that patch (commit a89941816726) had to be reverted
> due to Xen allocating irqs in its cpu_up ops.
>
> The first patch moves allocations into hotplug notifiers and the second
> one restores the original patch (with minor adjustments to new hotplug
> framework)
>
> Boris Ostrovsky (2):
>    xen/x86: Move irq allocation from Xen smp_op.cpu_up()
>    hotplug: Prevent alloc/free of irq descriptors during cpu up/down
>      (again)
>
>   arch/x86/kernel/smpboot.c |   11 ---------
>   arch/x86/xen/enlighten.c  |   53 +++++++++++++++++++++++++++++++++++++-------
>   arch/x86/xen/smp.c        |   45 +------------------------------------
>   arch/x86/xen/smp.h        |    3 ++
>   kernel/cpu.c              |    8 ++++++
>   5 files changed, 57 insertions(+), 63 deletions(-)
>


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  parent reply	other threads:[~2016-04-22 14:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1458221613-21563-1-git-send-email-boris.ostrovsky@oracle.com>
2016-03-17 13:33 ` [PATCH 1/2] xen/x86: Move irq allocation from Xen smp_op.cpu_up() Boris Ostrovsky
2016-03-17 13:33 ` [PATCH 2/2] hotplug: Prevent alloc/free of irq descriptors during cpu up/down (again) Boris Ostrovsky
     [not found] ` <1458221613-21563-2-git-send-email-boris.ostrovsky@oracle.com>
2016-03-25 15:10   ` [PATCH 1/2] xen/x86: Move irq allocation from Xen smp_op.cpu_up() Konrad Rzeszutek Wilk
2016-03-25 15:23     ` Boris Ostrovsky
2016-04-22 14:35 ` Boris Ostrovsky [this message]
2016-03-17 13:33 [PATCH 0/2] Reinstate irq alloc/dealloc locking patch Boris Ostrovsky

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