Message ID | 1410264283-19686-1-git-send-email-michel.thierry@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, Sep 09, 2014 at 01:04:43PM +0100, Michel Thierry wrote: > Also here, i915_gem_evict_vm causes an unbind, which can end up dropping > the last ref to the ppgtt. > > Triggered by igt gem_evict_everything test. > Testcase: igt/gem_evict_everything > Signed-off-by: Michel Thierry <michel.thierry@intel.com> Reviewed-by: Chris Wilson <chris@cris-wilsonc.co.uk> -Chris
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index bbf4b12..886ff2e 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -243,7 +243,7 @@ int i915_gem_evict_everything(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct i915_address_space *vm; + struct i915_address_space *vm, *v; bool lists_empty = true; int ret; @@ -270,7 +270,7 @@ i915_gem_evict_everything(struct drm_device *dev) i915_gem_retire_requests(dev); /* Having flushed everything, unbind() should never raise an error */ - list_for_each_entry(vm, &dev_priv->vm_list, global_link) + list_for_each_entry_safe(vm, v, &dev_priv->vm_list, global_link) WARN_ON(i915_gem_evict_vm(vm, false)); return 0;
Also here, i915_gem_evict_vm causes an unbind, which can end up dropping the last ref to the ppgtt. Triggered by igt gem_evict_everything test. Signed-off-by: Michel Thierry <michel.thierry@intel.com> --- drivers/gpu/drm/i915/i915_gem_evict.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)