linux-kernel - Re: [PATCH 3.10 037/319] xen/pciback: Save xen_pci

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Message-ID: <20170206223324.GC4769@1wt.eu>
Date:   Mon, 6 Feb 2017 23:33:24 +0100
From:   Willy Tarreau <w@....eu>
To:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net, Jan Beulich <JBeulich@...e.com>,
        David Vrabel <david.vrabel@...rix.com>
Subject: Re: [PATCH 3.10 037/319] xen/pciback: Save xen_pci_op commands
 before processing it

On Mon, Feb 06, 2017 at 09:33:45AM -0500, Konrad Rzeszutek Wilk wrote:
> On Sun, Feb 05, 2017 at 08:20:24PM +0100, Willy Tarreau wrote:
> > From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> > 
> > commit 8135cf8b092723dbfcc611fe6fdcb3a36c9951c5 upstream.
> 
> You also need:
> 
> commit d159457b84395927b5a52adb72f748dd089ad5e5
> Author: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Date:   Thu Feb 11 16:10:24 2016 -0500
> 
>     xen/pciback: Save the number of MSI-X entries to be copied later.
> 
>     Commit 8135cf8b092723dbfcc611fe6fdcb3a36c9951c5 (xen/pciback: Save
>     xen_pci_op commands before processing it) broke enabling MSI-X because
>     it would never copy the resulting vectors into the response.  The
>     number of vectors requested was being overwritten by the return value
>     (typically zero for success).

Now added as well, thanks Konrad!

Willy