[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Yd1GZMvstSNTc80B@kroah.com>
Date: Tue, 11 Jan 2022 09:57:08 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
Bjorn Helgaas <helgaas@...nel.org>,
Marc Zygnier <maz@...nel.org>,
Alex Williamson <alex.williamson@...hat.com>,
Kevin Tian <kevin.tian@...el.com>,
Jason Gunthorpe <jgg@...dia.com>,
Megha Dey <megha.dey@...el.com>,
Ashok Raj <ashok.raj@...el.com>, linux-pci@...r.kernel.org,
Cedric Le Goater <clg@...d.org>,
xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
Niklas Schnelle <schnelle@...ux.ibm.com>,
linux-s390@...r.kernel.org, Heiko Carstens <hca@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ibm.com>,
Logan Gunthorpe <logang@...tatee.com>,
Jon Mason <jdmason@...zu.us>,
Dave Jiang <dave.jiang@...el.com>,
Allen Hubbe <allenbh@...il.com>, linux-ntb@...glegroups.com
Subject: Re: [patch] genirq/msi: Populate sysfs entry only once
On Mon, Jan 10, 2022 at 07:12:45PM +0100, Thomas Gleixner wrote:
> The MSI entries for multi-MSI are populated en bloc for the MSI descriptor,
> but the current code invokes the population inside the per interrupt loop
> which triggers a warning in the sysfs code and causes the interrupt
> allocation to fail.
>
> Move it outside of the loop so it works correctly for single and multi-MSI.
>
> Fixes: bf5e758f02fc ("genirq/msi: Simplify sysfs handling")
> Reported-by: Borislav Petkov <bp@...en8.de>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
> kernel/irq/msi.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Powered by blists - more mailing lists