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...Regards, Sebastian --- virtio_ccw: remove unsued variable Fix this warning: drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] struct virtio_driver *drv; Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> --- drivers/s390/kvm/virtio_ccw.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef..bda52f1 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/kvm/virtio_ccw.c @@ -888,7 +888,6 @@ sta...

...Regards, Sebastian --- virtio_ccw: remove unsued variable Fix this warning: drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] struct virtio_driver *drv; Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> --- drivers/s390/kvm/virtio_ccw.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef..bda52f1 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/kvm/virtio_ccw.c @@ -888,7 +888,6 @@ sta...

...ranges can now be mapped within a BAR, we keep track of > the number of mappings created, and only clear out the mapping for a BAR > when this number reaches 0. > > Cc: Bjorn Helgaas <bhelgaas at google.com> > Cc: linux-pci at vger.kernel.org > Tested-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > > Heiko, Martin, can you please ack merging this through the virtio tree? > This was lightly tested by Sebastian Ott. > > arch/s390/include/asm/pci_io.h | 1 + > arch/s390/pci...

...ranges can now be mapped within a BAR, we keep track of > the number of mappings created, and only clear out the mapping for a BAR > when this number reaches 0. > > Cc: Bjorn Helgaas <bhelgaas at google.com> > Cc: linux-pci at vger.kernel.org > Tested-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > > Heiko, Martin, can you please ack merging this through the virtio tree? > This was lightly tested by Sebastian Ott. > > arch/s390/include/asm/pci_io.h | 1 + > arch/s390/pci...

On Fri, 26 Apr 2019, Halil Pasic wrote: > @@ -224,6 +228,9 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, > INIT_WORK(&sch->todo_work, css_sch_todo); > sch->dev.release = &css_subchannel_release; > device_initialize(&sch->dev); > + sch->dma_mask = css_dev_dma_mask; > + sch->dev.dma_mask = &sch->dma_mask; > +

On Fri, 26 Apr 2019, Halil Pasic wrote: > @@ -224,6 +228,9 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, > INIT_WORK(&sch->todo_work, css_sch_todo); > sch->dev.release = &css_subchannel_release; > device_initialize(&sch->dev); > + sch->dma_mask = css_dev_dma_mask; > + sch->dev.dma_mask = &sch->dma_mask; > +

On Wed, 8 May 2019 23:22:10 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Wed, 8 May 2019 15:18:10 +0200 (CEST) > Sebastian Ott <sebott at linux.ibm.com> wrote: > > > @@ -1063,6 +1163,7 @@ static int __init css_bus_init(void) > > > unregister_reboot_notifier(&css_reboot_notifier); > > > goto out_unregister; > > > } > > > + cio_dma_pool_init(); > > > > Thi...

On Wed, 8 May 2019 23:22:10 +0200 Halil Pasic <pasic at linux.ibm.com> wrote: > On Wed, 8 May 2019 15:18:10 +0200 (CEST) > Sebastian Ott <sebott at linux.ibm.com> wrote: > > > @@ -1063,6 +1163,7 @@ static int __init css_bus_init(void) > > > unregister_reboot_notifier(&css_reboot_notifier); > > > goto out_unregister; > > > } > > > + cio_dma_pool_init(); > > > > Thi...

...egards, Sebastian --- virtio_ccw: remove unused variable Fix this warning: drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] struct virtio_driver *drv; Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- drivers/s390/kvm/virtio_ccw.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef..bda52f1 100644 --- a/drivers/s390/kvm/virtio_ccw.c...

...egards, Sebastian --- virtio_ccw: remove unused variable Fix this warning: drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] struct virtio_driver *drv; Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- drivers/s390/kvm/virtio_ccw.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef..bda52f1 100644 --- a/drivers/s390/kvm/virtio_ccw.c...

...gt; > Fix this warning: > > drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: > > drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] > > struct virtio_driver *drv; > > > > Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > > Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> > > Acked-by: Michael S. Tsirkin <mst at redhat.com> > > > --- > > drivers/s390/kvm/virtio_ccw.c | 1 - > > 1 file changed, 1 deletion(-) > > > > diff --g...

...gt; > Fix this warning: > > drivers/s390/kvm/virtio_ccw.c: In function ?virtio_ccw_int_handler?: > > drivers/s390/kvm/virtio_ccw.c:891:24: warning: unused variable ?drv? [-Wunused-variable] > > struct virtio_driver *drv; > > > > Signed-off-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > > Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> > > Acked-by: Michael S. Tsirkin <mst at redhat.com> > > > --- > > drivers/s390/kvm/virtio_ccw.c | 1 - > > 1 file changed, 1 deletion(-) > > > > diff --g...

On Mon, 20 May 2019, Halil Pasic wrote: > On Thu, 16 May 2019 15:59:22 +0200 (CEST) > Sebastian Ott <sebott at linux.ibm.com> wrote: > > We only have a couple of users for airq_iv: > > > > virtio_ccw.c: 2K bits > > You mean a single allocation is 2k bits (VIRTIO_IV_BITS = 256 * 8)? My > understanding is that the upper bound is more like: > MAX_AIRQ_AREAS * VIRTIO_IV_BIT...

...I. To compile without PCI > support we also have to enable the DMA api with virtio. Not only with virtio, but generally, right? > Signed-off-by: Christian Borntraeger <borntraeger at de.ibm.com> > Reviewed-by: Joerg Roedel <jroedel at suse.de> > Acked-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > --- > arch/s390/Kconfig | 3 ++- > arch/s390/include/asm/device.h | 6 +++++- > arch/s390/include/asm/dma-mapping.h | 6 ++++-- > arch/s390/pci/pci.c | 1 + > arch/s390/pci/pci_dma.c | 4 ++-- > 5 f...

...I. To compile without PCI > support we also have to enable the DMA api with virtio. Not only with virtio, but generally, right? > Signed-off-by: Christian Borntraeger <borntraeger at de.ibm.com> > Reviewed-by: Joerg Roedel <jroedel at suse.de> > Acked-by: Sebastian Ott <sebott at linux.vnet.ibm.com> > --- > arch/s390/Kconfig | 3 ++- > arch/s390/include/asm/device.h | 6 +++++- > arch/s390/include/asm/dma-mapping.h | 6 ++++-- > arch/s390/pci/pci.c | 1 + > arch/s390/pci/pci_dma.c | 4 ++-- > 5 f...

On Fri, 12 Apr 2019, Halil Pasic wrote: > On Fri, 12 Apr 2019 14:12:31 +0200 (CEST) > Sebastian Ott <sebott at linux.ibm.com> wrote: > > On Fri, 12 Apr 2019, Halil Pasic wrote: > > > On Thu, 11 Apr 2019 20:25:01 +0200 (CEST) > > > Sebastian Ott <sebott at linux.ibm.com> wrote: > > > > I don't think we should use this global DMA pool. I guess it's OK fo...

...> + * is not guaranteed to be 31-bit addressable. > + * > + * Caution: Not suitable for early stuff like console. > + * > + */ drivers/s390/cio/css.c:1121: warning: Function parameter or member 'size' not described in 'cio_dma_zalloc' Reviewed-by: Sebastian Ott <sebott at linux.ibm.com>

On Mon, 20 Oct 2014 12:48:18 +0200 (CEST) Sebastian Ott <sebott at linux.vnet.ibm.com> wrote: > Hi, > > 016c98c6f virtio: unify config_changed handling > > introduced a warning in virtio_ccw which is fixed by the following patch. > > Regards, > Sebastian > --- > virtio_ccw: remove unsued variable > > Fix this warning:...

...ds to write these bits. > > Let us make sure we allocate DMA memory for the notifier bit vectors by > replacing the kmem_cache with a dma_cache and kalloc() with > cio_dma_zalloc(). > > Signed-off-by: Halil Pasic <pasic at linux.ibm.com> > Reviewed-by: Sebastian Ott <sebott at linux.ibm.com> > --- > arch/s390/include/asm/airq.h | 2 ++ > drivers/s390/cio/airq.c | 32 ++++++++++++++++++++------------ > drivers/s390/cio/cio.h | 2 ++ > drivers/s390/cio/css.c | 1 + > 4 files changed, 25 insertions(+), 12 deletions(-) > (......

...ds to write these bits. > > Let us make sure we allocate DMA memory for the notifier bit vectors by > replacing the kmem_cache with a dma_cache and kalloc() with > cio_dma_zalloc(). > > Signed-off-by: Halil Pasic <pasic at linux.ibm.com> > Reviewed-by: Sebastian Ott <sebott at linux.ibm.com> > --- > arch/s390/include/asm/airq.h | 2 ++ > drivers/s390/cio/airq.c | 32 ++++++++++++++++++++------------ > drivers/s390/cio/cio.h | 2 ++ > drivers/s390/cio/css.c | 1 + > 4 files changed, 25 insertions(+), 12 deletions(-) > (......