search for: get_config

...; Hi all, > > > >> > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > >> > KVM guest on s390 with virtio balloon enabled: > > > >> > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > >> OOM. > > > >> > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > AFAIK this is currently not a problem. According to > > > > http://lwn.net/Articles/627419...

...; Hi all, > > > >> > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > >> > KVM guest on s390 with virtio balloon enabled: > > > >> > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > >> OOM. > > > >> > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > AFAIK this is currently not a problem. According to > > > > http://lwn.net/Articles/627419...

...t linux.vnet.ibm.com> writes: > >> > Hi all, > >> > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > >> > KVM guest on s390 with virtio balloon enabled: > >> > >> The deeper problem is that virtio_ccw_get_config just silently fails on > >> OOM. > >> > >> Neither get_config nor set_config are expected to fail. > > > > AFAIK this is currently not a problem. According to > > http://lwn.net/Articles/627419/ these kmalloc calls never > > fail because they allo...

...t linux.vnet.ibm.com> writes: > >> > Hi all, > >> > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > >> > KVM guest on s390 with virtio balloon enabled: > >> > >> The deeper problem is that virtio_ccw_get_config just silently fails on > >> OOM. > >> > >> Neither get_config nor set_config are expected to fail. > > > > AFAIK this is currently not a problem. According to > > http://lwn.net/Articles/627419/ these kmalloc calls never > > fail because they allo...

...> > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > >> > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > >> OOM. > > > > > >> > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > AFAIK this is currently not a problem. According to...

...> > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > >> > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > >> OOM. > > > > > >> > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > AFAIK this is currently not a problem. According to...

...stcorp.com.au> wrote: > Thomas Huth <thuth at linux.vnet.ibm.com> writes: > > Hi all, > > > > with the recent kernel 3.19, I get a kernel warning when I start my > > KVM guest on s390 with virtio balloon enabled: > > The deeper problem is that virtio_ccw_get_config just silently fails on > OOM. > > Neither get_config nor set_config are expected to fail. AFAIK this is currently not a problem. According to http://lwn.net/Articles/627419/ these kmalloc calls never fail because they allocate less than a page. Thomas

...stcorp.com.au> wrote: > Thomas Huth <thuth at linux.vnet.ibm.com> writes: > > Hi all, > > > > with the recent kernel 3.19, I get a kernel warning when I start my > > KVM guest on s390 with virtio balloon enabled: > > The deeper problem is that virtio_ccw_get_config just silently fails on > OOM. > > Neither get_config nor set_config are expected to fail. AFAIK this is currently not a problem. According to http://lwn.net/Articles/627419/ these kmalloc calls never fail because they allocate less than a page. Thomas

...sim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 604d9d25ca47..62d640327145 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -558,7 +558,7 @@ static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, struct vdpasim *vdpasim = vdpa_to_sim(vdpa); if (offset + len < sizeof(struct virtio_net_config)) - memcpy(buf, &vdpasim->config + offset, len); + memcpy(buf, (u8 *)&vdpasim->config + offset, len); } static void vdpasim_set...

...> >> > > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > >> > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > >> OOM. > > > > >> > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > AFAIK this is currently not a problem. According to > > > > >...

...> >> > > > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > >> > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > >> OOM. > > > > >> > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > AFAIK this is currently not a problem. According to > > > > >...

...; > Hi all, > >> >> > > >> >> > with the recent kernel 3.19, I get a kernel warning when I start my > >> >> > KVM guest on s390 with virtio balloon enabled: > >> >> > >> >> The deeper problem is that virtio_ccw_get_config just silently fails on > >> >> OOM. > >> >> > >> >> Neither get_config nor set_config are expected to fail. > >> > > >> > AFAIK this is currently not a problem. According to > >> > http://lwn.net/Articles/627419/ thes...

...; > Hi all, > >> >> > > >> >> > with the recent kernel 3.19, I get a kernel warning when I start my > >> >> > KVM guest on s390 with virtio balloon enabled: > >> >> > >> >> The deeper problem is that virtio_ccw_get_config just silently fails on > >> >> OOM. > >> >> > >> >> Neither get_config nor set_config are expected to fail. > >> > > >> > AFAIK this is currently not a problem. According to > >> > http://lwn.net/Articles/627419/ thes...

...> > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > > >> > > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > > >> OOM. > > > > > > >> > > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > > > AFAIK this is currently not...

...> > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > > >> > > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > > >> OOM. > > > > > > >> > > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > > > AFAIK this is currently not...

...s: > > >> > Hi all, > > >> > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > >> > KVM guest on s390 with virtio balloon enabled: > > >> > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > >> OOM. > > >> > > >> Neither get_config nor set_config are expected to fail. > > > > > > AFAIK this is currently not a problem. According to > > > http://lwn.net/Articles/627419/ these kmalloc calls never &g...

...s: > > >> > Hi all, > > >> > > > >> > with the recent kernel 3.19, I get a kernel warning when I start my > > >> > KVM guest on s390 with virtio balloon enabled: > > >> > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > >> OOM. > > >> > > >> Neither get_config nor set_config are expected to fail. > > > > > > AFAIK this is currently not a problem. According to > > > http://lwn.net/Articles/627419/ these kmalloc calls never &g...

...gt; > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > > > >> > > > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > > > >> OOM. > > > > > > > >> > > > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > > > > > AF...

...gt; > with the recent kernel 3.19, I get a kernel warning when I start my > > > > > > > >> > KVM guest on s390 with virtio balloon enabled: > > > > > > > >> > > > > > > > >> The deeper problem is that virtio_ccw_get_config just silently fails on > > > > > > > >> OOM. > > > > > > > >> > > > > > > > >> Neither get_config nor set_config are expected to fail. > > > > > > > > > > > > > > > > AF...

...16 virt_queue__get_inout_iov(struct kvm *kvm, struct virt_queue *queue, int virtio__get_dev_specific_field(int offset, bool msix, u32 *config_off); enum virtio_trans { + VIRTIO_PCI_MODERN, VIRTIO_PCI, VIRTIO_MMIO, }; @@ -138,8 +142,8 @@ struct virtio_device { struct virtio_ops { u8 *(*get_config)(struct kvm *kvm, void *dev); - u32 (*get_host_features)(struct kvm *kvm, void *dev); - void (*set_guest_features)(struct kvm *kvm, void *dev, u32 features); + u32 (*get_host_features)(struct kvm *kvm, void *dev, int sel); + void (*set_guest_features)(struct kvm *kvm, void *dev, u32 features, int s...