Zhi Wang b79c52aef3 drm/i915/gvt: Activate/de-activate vGPU in mdev ops. ... This patch introduces two functions for activating/de-activating vGPU in mdev ops. A racing condition was found between virtual vblank emulation and KVGMT mdev release path. V-blank emulation will emulate and inject V-blank interrupt for every active vGPU with holding gvt->lock, while in mdev release path, it will directly release hypervisor handle without changing vGPU status or taking gvt->lock, so a kernel oops is encountered when vblank emulation is injecting a interrupt with a invalid hypervisor handle. (Reported by Terrence) To solve this problem, we factor out vGPU activation/de-activation from vGPU creation/destruction path and let KVMGT mdev release ops de-activate the vGPU before release hypervisor handle. Once a vGPU is de-activated, GVT-g will not emulate v-blank for it or touch the hypervisor handle. Fixes: 659643f ("drm/i915/gvt/kvmgt: add vfio/mdev support to KVMGT") Signed-off-by: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>		2017-03-30 13:37:53 +08:00
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drm	drm/i915/gvt: Activate/de-activate vGPU in mdev ops.	2017-03-30 13:37:53 +08:00
host1x	gpu: host1x: Set OF node for new host1x devices	2017-01-30 11:47:44 +01:00
ipu-v3	gpu: ipu-v3: Stop overwriting pdev->dev.of_node of child devices	2017-02-17 08:04:27 +01:00
vga	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
Makefile