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Re: [patch V2 14/23] PCI/MSI: Make msix_update_entries() smarter
- To: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 7 Dec 2021 08:44:57 +0100
- Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, Bjorn Helgaas <helgaas@xxxxxxxxxx>, Marc Zygnier <maz@xxxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Megha Dey <megha.dey@xxxxxxxxx>, Ashok Raj <ashok.raj@xxxxxxxxx>, linux-pci@xxxxxxxxxxxxxxx, Cedric Le Goater <clg@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, linux-mips@xxxxxxxxxxxxxxx, Kalle Valo <kvalo@xxxxxxxxxxxxxx>, sparclinux@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, ath11k@xxxxxxxxxxxxxxxxxxx, Wei Liu <wei.liu@xxxxxxxxxx>, linux-hyperv@xxxxxxxxxxxxxxx, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>
- Delivery-date: Tue, 07 Dec 2021 07:45:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Dec 06, 2021 at 11:27:46PM +0100, Thomas Gleixner wrote:
> No need to walk the descriptors and check for each one whether the entries
> pointer function argument is NULL. Do it once.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Tested-by: Juergen Gross <jgross@xxxxxxxx>
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
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