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On Tue, Sep 26, 2017 at 02:36:57AM -0400, Pankaj Gupta wrote: > > > > > A bit late to a party, but: > > > > On Mon, Dec 8, 2014 at 12:50 AM, Amos Kong <akong at redhat.com> wrote: > > > From: Rusty Russell <rusty at rustcorp.com.au> > > > > > > There's currently a big lock around everything, and it means that we > >

On Tue, Sep 26, 2017 at 02:36:57AM -0400, Pankaj Gupta wrote: > > > > > A bit late to a party, but: > > > > On Mon, Dec 8, 2014 at 12:50 AM, Amos Kong <akong at redhat.com> wrote: > > > From: Rusty Russell <rusty at rustcorp.com.au> > > > > > > There's currently a big lock around everything, and it means that we > >

...VDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; @@ -403,7 +403,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC...

...strlen(thost) + strlen(targ) + - strlen(ssh_options) + CMDNEEDS + 20; + strlen(ssh_options) + strlen(rscpcmd) + 20; bp = xmalloc(len); if (host) { *host++ = 0; @@ -403,7 +418,7 @@ "%s%s %s -n " "-l %s %s %s %s '%s%s%s:%s'", ssh_program, verbose_mode ? " -v" : "", - ssh_options...

...e *vq = &nvq->vq; + + return (nvq->upend_idx + vq->num - VHOST_MAX_PEND) % UIO_MAXIOV + == nvq->done_idx; +} + /* Expects to be always run from workqueue - which acts as * read-size critical section for our kind of RCU. */ static void handle_tx(struct vhost_net *net) @@ -394,8 +403,7 @@ static void handle_tx(struct vhost_net *net) /* If more outstanding DMAs, queue the work. * Handle upend_idx wrap around */ - if (unlikely((nvq->upend_idx + vq->num - VHOST_MAX_PEND) - % UIO_MAXIOV == nvq->done_idx)) + if (unlikely(vhost_exceeds_maxpend(net)))...

...e *vq = &nvq->vq; + + return (nvq->upend_idx + vq->num - VHOST_MAX_PEND) % UIO_MAXIOV + == nvq->done_idx; +} + /* Expects to be always run from workqueue - which acts as * read-size critical section for our kind of RCU. */ static void handle_tx(struct vhost_net *net) @@ -394,8 +403,7 @@ static void handle_tx(struct vhost_net *net) /* If more outstanding DMAs, queue the work. * Handle upend_idx wrap around */ - if (unlikely((nvq->upend_idx + vq->num - VHOST_MAX_PEND) - % UIO_MAXIOV == nvq->done_idx)) + if (unlikely(vhost_exceeds_maxpend(net)))...

...splay_scanoutpos, }; static const uint32_t modeset_formats[] = { diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c index c9692df2b76c..1354d19d9a18 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/head.c +++ b/drivers/gpu/drm/nouveau/dispnv50/head.c @@ -403,6 +403,7 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) static const struct drm_crtc_helper_funcs nv50_head_help = { .atomic_check = nv50_head_atomic_check, + .get_scanout_position = nouveau_display_scanoutpos, }; static void diff --git a/drivers/gpu/drm/nouv...

...042.c @@ -385,6 +385,7 @@ static int i8042_enable_kbd_port(void) i8042_ctr |= I8042_CTR_KBDINT; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { + i8042_ctr &= ~I8042_CTR_KBDINT; printk(KERN_ERR "i8042.c: Failed to enable KBD port.\n"); return -EIO; } @@ -402,6 +403,7 @@ static int i8042_enable_aux_port(void) i8042_ctr |= I8042_CTR_AUXINT; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { + i8042_ctr &= ~I8042_CTR_AUXINT; printk(KERN_ERR "i8042.c: Failed to enable AUX port.\n"); return -EIO; }

...042.c @@ -385,6 +385,7 @@ static int i8042_enable_kbd_port(void) i8042_ctr |= I8042_CTR_KBDINT; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { + i8042_ctr &= ~I8042_CTR_KBDINT; printk(KERN_ERR "i8042.c: Failed to enable KBD port.\n"); return -EIO; } @@ -402,6 +403,7 @@ static int i8042_enable_aux_port(void) i8042_ctr |= I8042_CTR_AUXINT; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { + i8042_ctr &= ~I8042_CTR_AUXINT; printk(KERN_ERR "i8042.c: Failed to enable AUX port.\n"); return -EIO; }

...t;, NULL); size_t i; @@ -316,8 +390,9 @@ value_multiple_strings (hive_h *h, void *writer_v, hive_node_h node, XML_CHECK (xmlTextWriterEndElement, (writer)); } + ret = value_byte_runs (h, writer_v, value); end_value (writer); - return 0; + return ret; } static int @@ -328,6 +403,7 @@ value_string_invalid_utf16 (hive_h *h, void *writer_v, hive_node_h node, { xmlTextWriterPtr writer = (xmlTextWriterPtr) writer_v; const char *type; + int ret = 0; switch (t) { case hive_t_string: type = "bad-string"; break; @@ -353,9 +429,10 @@ value_string_invalid_ut...

...*readsetp, fd_set **writesetp, int *maxfdp) { + struct timeval tv = {0}; + tv.tv_sec = options.noop_msg_frequency; + /* Send a noop message at this frequency as a keepalive. */ + /* Add any selections by the channel mechanism. */ channel_prepare_select(readsetp, writesetp, maxfdp); @@ -403,7 +407,8 @@ * SSH_MSG_IGNORE packet when the timeout expires. */ - if (select((*maxfdp)+1, *readsetp, *writesetp, NULL, NULL) < 0) { + switch (select((*maxfdp)+1, *readsetp, *writesetp, NULL, ((tv.tv_sec)?(&tv):NULL))) { + case -1: { char buf[100]; /* @@ -420,7 +42...

..._funcs = .disable = exynos_vidi_disable, }; -static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int vidi_bind(struct device *dev, struct device *master, void *data) { struct vidi_context *ctx = dev_get_drvdata(dev); @@ -406,8 +403,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(ctx->crtc); } - drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); drm...

...rtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *bo, struct virtio_gpu_object_params *params, + struct virtio_gpu_object_array *objs, struct virtio_gpu_fence *fence) { struct virtio_gpu_resource_create_2d *cmd_p; @@ -402,6 +403,7 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); memset(cmd_p, 0, sizeof(*cmd_p)); + vbuf->objs = objs; cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_2D); cmd_p->resource_id...

...mappings + * by themselves. */ void drm_client_buffer_vunmap(struct drm_client_buffer *buffer) { diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 1984e5c54d58..7ba6a0255821 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -403,6 +403,7 @@ static void drm_fb_helper_dirty_work(struct work_struct *work) struct drm_clip_rect *clip = &helper->dirty_clip; struct drm_clip_rect clip_copy; unsigned long flags; + void *vaddr; spin_lock_irqsave(&helper->dirty_lock, flags); clip_copy = *clip; @@ -412,10 +41...

...info.avail)); + ret = virtio_ccw_set_vqs(sch, &info, NULL); + } + sch->curr_status.scsw.count = 0; + return ret; +} + +static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) +{ + int ret; VirtioRevInfo revinfo; uint8_t status; VirtioFeatDesc features; @@ -331,33 +403,7 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) /* Look at the command. */ switch (ccw.cmd_code) { case CCW_CMD_SET_VQ: - if (check_len) { - if (ccw.count != sizeof(info)) { - ret = -EINVAL; - break; - } - } els...

...info.avail)); + ret = virtio_ccw_set_vqs(sch, &info, NULL); + } + sch->curr_status.scsw.count = 0; + return ret; +} + +static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) +{ + int ret; VirtioRevInfo revinfo; uint8_t status; VirtioFeatDesc features; @@ -331,33 +403,7 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) /* Look at the command. */ switch (ccw.cmd_code) { case CCW_CMD_SET_VQ: - if (check_len) { - if (ccw.count != sizeof(info)) { - ret = -EINVAL; - break; - } - } els...

...hotplug on a runtime + * suspended GPU, schedule hpd_work to check. + */ + NV_DEBUG(drm, + "ACPI requested connector probe\n"); + schedule_work(&drm->hpd_work); + } /* acpi-video should not generate keypresses for this */ return NOTIFY_BAD; @@ -400,7 +403,7 @@ nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, #endif int -nouveau_display_init(struct drm_device *dev) +nouveau_display_init(struct drm_device *dev, bool runtime) { struct nouveau_display *disp = nouveau_display(dev); struct nouveau_drm *drm = nouveau_drm(dev...

Hi: This series tries to implement tx batching support for vhost. This was done by using MSG_MORE as a hint for under layer socket. The backend (e.g tap) can then batch the packets temporarily in a list and submit it all once the number of bacthed exceeds a limitation. Tests shows obvious improvement on guest pktgen over over mlx4(noqueue) on host: Mpps -+%

Hi: This series tries to implement tx batching support for vhost. This was done by using MSG_MORE as a hint for under layer socket. The backend (e.g tap) can then batch the packets temporarily in a list and submit it all once the number of bacthed exceeds a limitation. Tests shows obvious improvement on guest pktgen over over mlx4(noqueue) on host: Mpps -+%

This patch allows core-dumping to work on a cross-bit host/guest configuration, whereas previously that was not supported. It supports both PV and FV guests. The core file format generated by the host, needs to match that of the guest, so an alignment issue is addressed, along with the p2m frame list handling being done according to the guest size. Signed-off-by: Bruce Rogers