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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 2/2] msix: Pull in config.h for CONFIG_KVM
Date: Sat, 23 Oct 2010 19:29:45 +0200	[thread overview]
Message-ID: <20101023172945.GD11488@redhat.com> (raw)
In-Reply-To: <1287852763.5129.5.camel@x201>

On Sat, Oct 23, 2010 at 10:52:43AM -0600, Alex Williamson wrote:
> On Sat, 2010-10-23 at 18:16 +0200, Michael S. Tsirkin wrote:
> > On Fri, Oct 22, 2010 at 02:40:39PM -0600, Alex Williamson wrote:
> > > We need to pull in config.h or else kvm.h doesn't pull in
> > > linux/config.h, which we need if we ever want KVM_CAP_IRQCHIP
> > > defined.  This requires moving the object over to Makefile.target
> > > or else we can't find config-target.h
> > > 
> > > Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> > 
> > Why? We just moved it from .target to .objs, see
> > 889e30cc18e21f2091b77267dca8096d7dd34f8b.
> 
> Maybe that's why it used to work.  When building in the qemu-kvm.git
> tree, I'm not getting CONFIG_KVM defined, which means I'm not getting
> KVM_CAP_IRQCHIP defined, which results in msix_irq_entries not being
> allocated.  Then when I call msix_vector_use, I get a seg fault.
> Something is broken there.  Thanks,
> 
> Alex

This is hopefully fixed in the latest bits.
bd8b215bce453706c3951460cc7e6627ccb90314

-- 
MST

WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: [Qemu-devel] Re: [PATCH 2/2] msix: Pull in config.h for CONFIG_KVM
Date: Sat, 23 Oct 2010 19:29:45 +0200	[thread overview]
Message-ID: <20101023172945.GD11488@redhat.com> (raw)
In-Reply-To: <1287852763.5129.5.camel@x201>

On Sat, Oct 23, 2010 at 10:52:43AM -0600, Alex Williamson wrote:
> On Sat, 2010-10-23 at 18:16 +0200, Michael S. Tsirkin wrote:
> > On Fri, Oct 22, 2010 at 02:40:39PM -0600, Alex Williamson wrote:
> > > We need to pull in config.h or else kvm.h doesn't pull in
> > > linux/config.h, which we need if we ever want KVM_CAP_IRQCHIP
> > > defined.  This requires moving the object over to Makefile.target
> > > or else we can't find config-target.h
> > > 
> > > Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> > 
> > Why? We just moved it from .target to .objs, see
> > 889e30cc18e21f2091b77267dca8096d7dd34f8b.
> 
> Maybe that's why it used to work.  When building in the qemu-kvm.git
> tree, I'm not getting CONFIG_KVM defined, which means I'm not getting
> KVM_CAP_IRQCHIP defined, which results in msix_irq_entries not being
> allocated.  Then when I call msix_vector_use, I get a seg fault.
> Something is broken there.  Thanks,
> 
> Alex

This is hopefully fixed in the latest bits.
bd8b215bce453706c3951460cc7e6627ccb90314

-- 
MST

  reply	other threads:[~2010-10-23 17:36 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-22 20:31 [PATCH 0/2] msix: couple fixes Alex Williamson
2010-10-22 20:31 ` [Qemu-devel] " Alex Williamson
2010-10-22 20:40 ` [PATCH 1/2] msix: Allow msix_init on a device with existing MSI-X capability Alex Williamson
2010-10-22 20:40   ` [Qemu-devel] " Alex Williamson
2010-10-23 16:18   ` Michael S. Tsirkin
2010-10-23 16:18     ` [Qemu-devel] " Michael S. Tsirkin
2010-10-23 16:55     ` Alex Williamson
2010-10-23 16:55       ` [Qemu-devel] " Alex Williamson
2010-10-28 15:00       ` Avi Kivity
2010-10-28 15:00         ` [Qemu-devel] " Avi Kivity
2010-11-01 15:56         ` Alex Williamson
2010-11-01 15:56           ` [Qemu-devel] " Alex Williamson
2010-10-22 20:40 ` [PATCH 2/2] msix: Pull in config.h for CONFIG_KVM Alex Williamson
2010-10-22 20:40   ` [Qemu-devel] " Alex Williamson
2010-10-23  1:50   ` Alex Williamson
2010-10-23  1:50     ` [Qemu-devel] " Alex Williamson
2010-10-23  7:41     ` Paolo Bonzini
2010-10-23  7:41       ` [Qemu-devel] " Paolo Bonzini
2010-10-23 16:16   ` Michael S. Tsirkin
2010-10-23 16:16     ` [Qemu-devel] " Michael S. Tsirkin
2010-10-23 16:52     ` Alex Williamson
2010-10-23 16:52       ` [Qemu-devel] " Alex Williamson
2010-10-23 17:29       ` Michael S. Tsirkin [this message]
2010-10-23 17:29         ` Michael S. Tsirkin
2010-10-23 18:42         ` Alex Williamson
2010-10-23 18:42           ` [Qemu-devel] " Alex Williamson
2010-10-23 20:38           ` Michael S. Tsirkin
2010-10-23 20:38             ` [Qemu-devel] " Michael S. Tsirkin
2010-10-23 21:01             ` Alex Williamson
2010-10-23 21:01               ` [Qemu-devel] " Alex Williamson

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