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Date: Mon, 2 Dec 2013 19:37:24 -0800
From: Greg KH <greg@kroah.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Veaceslav Falico <vfalico@redhat.com>, Neil Horman <nhorman@tuxdriver.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>, Yinghai Lu <yinghai@kernel.org>,
        Knut Petersen <Knut_Petersen@t-online.de>,
        Ingo Molnar <mingo@kernel.org>,
        Paul McKenney <paulmck@linux.vnet.ibm.com>,
        =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker <fweisbec@gmail.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] PCI: export MSI mode using attributes, not kobjects
Message-ID: <20131203033724.GB8525@kroah.com>
References: <20131129031419.GB5889@neilslaptop.think-freely.org>
 <20131129094137.GC3028@redhat.com>
 <20131129175336.GA6152@kroah.com>
 <CAErSpo44sQU2PbufCYF+wzpMtMPC97_FgAMQgruX9Nw3XbmL8g@mail.gmail.com>
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On Mon, Dec 02, 2013 at 06:24:06PM -0700, Bjorn Helgaas wrote:
> On Fri, Nov 29, 2013 at 10:53 AM, Greg KH <greg@kroah.com> wrote:
> > On Fri, Nov 29, 2013 at 10:41:37AM +0100, Veaceslav Falico wrote:
> >> On Wed, Nov 27, 2013 at 10:46:52AM -0800, Greg Kroah-Hartman wrote:
> >> >From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> >> >
> >> >The PCI MSI sysfs code is a mess with kobjects for things that don't
> >> >really need to be kobjects.  This patch creates attributes dynamically
> >> >for the MSI interrupts instead of using kobjects.
> >> >
> >> >Note, this removes a directory from the current MSI interrupt sysfs
> >> >code:
> >> >
> >> >old MSI kobjects:
> >> >pci_device
> >> >   └── msi_irqs
> >> >       └── 40
> >> >           └── mode
> >> >
> >> >new MSI attributes:
> >> >pci_device
> >> >   └── msi_irqs
> >> >       └── 40
> >> >
> >> >As there was only one file "mode" with the kobject model, the interrupt
> >> >number is now a file that returns the "mode" of the interrupt (msi vs.
> >> >msix).
> >> >
> >> >Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> >>
> >> Works like a charm for me.
> >>
> >> FWIW,
> >>
> >> Reviewed-by: Veaceslav Falico <vfalico@redhat.com>
> >
> > On Thu, Nov 28, 2013 at 10:14:19PM -0500, Neil Horman wrote:
> >> ACK, Testing with git-head irqbalance on F19 with this patch and it works fine.
> >>
> >> Thanks!
> >> Acked-by: Neil Horman <nhorman@tuxdriver.com>
> >
> > Great, thanks for both of you testing this.
> >
> > Bjorn, any objection to take this through your tree for 3.14-rc1?
> 
> Nope, I don't object at all.  We probably should update
> Documentation/ABI/testing/sysfs-bus-pci at the same time, though.

Now sent.

thanks,

greg k-h