Message ID | 20171017065304.3358-1-joonas.lahtinen@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, 17 Oct 2017, Joonas Lahtinen <joonas.lahtinen@linux.intel.com> wrote: > From: Kees Cook <keescook@chromium.org> > > In preparation for unconditionally passing the struct timer_list pointer to > all timer callbacks, switch to using the new timer_setup() and from_timer() > to pass the timer pointer explicitly. > > Cc: Daniel Vetter <daniel.vetter@intel.com> > Cc: Jani Nikula <jani.nikula@linux.intel.com> > Cc: David Airlie <airlied@linux.ie> > Cc: Chris Wilson <chris@chris-wilson.co.uk> > Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> > Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> > Cc: Oscar Mateo <oscar.mateo@intel.com> > Cc: intel-gfx@lists.freedesktop.org > Cc: dri-devel@lists.freedesktop.org > Signed-off-by: Kees Cook <keescook@chromium.org> > Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Failed to mention I pushed this yesterday. Thanks for the patch and review. BR, Jani. > --- > drivers/gpu/drm/i915/i915_sw_fence.c | 8 +++----- > drivers/gpu/drm/i915/intel_breadcrumbs.c | 18 ++++++++---------- > drivers/gpu/drm/i915/selftests/mock_engine.c | 8 +++----- > 3 files changed, 14 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c > index ca33cc08cb07..e8ca67a129d2 100644 > --- a/drivers/gpu/drm/i915/i915_sw_fence.c > +++ b/drivers/gpu/drm/i915/i915_sw_fence.c > @@ -369,9 +369,9 @@ struct i915_sw_dma_fence_cb { > struct irq_work work; > }; > > -static void timer_i915_sw_fence_wake(unsigned long data) > +static void timer_i915_sw_fence_wake(struct timer_list *t) > { > - struct i915_sw_dma_fence_cb *cb = (struct i915_sw_dma_fence_cb *)data; > + struct i915_sw_dma_fence_cb *cb = from_timer(cb, t, timer); > struct i915_sw_fence *fence; > > fence = xchg(&cb->fence, NULL); > @@ -434,9 +434,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence, > i915_sw_fence_await(fence); > > cb->dma = NULL; > - __setup_timer(&cb->timer, > - timer_i915_sw_fence_wake, (unsigned long)cb, > - TIMER_IRQSAFE); > + timer_setup(&cb->timer, timer_i915_sw_fence_wake, TIMER_IRQSAFE); > init_irq_work(&cb->work, irq_i915_sw_fence_work); > if (timeout) { > cb->dma = dma_fence_get(dma); > diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c > index 29c62d481cef..48e1ba01ccf8 100644 > --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c > +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c > @@ -74,9 +74,10 @@ static noinline void missed_breadcrumb(struct intel_engine_cs *engine) > set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings); > } > > -static void intel_breadcrumbs_hangcheck(unsigned long data) > +static void intel_breadcrumbs_hangcheck(struct timer_list *t) > { > - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; > + struct intel_engine_cs *engine = from_timer(engine, t, > + breadcrumbs.hangcheck); > struct intel_breadcrumbs *b = &engine->breadcrumbs; > > if (!b->irq_armed) > @@ -108,9 +109,10 @@ static void intel_breadcrumbs_hangcheck(unsigned long data) > } > } > > -static void intel_breadcrumbs_fake_irq(unsigned long data) > +static void intel_breadcrumbs_fake_irq(struct timer_list *t) > { > - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; > + struct intel_engine_cs *engine = from_timer(engine, t, > + breadcrumbs.fake_irq); > struct intel_breadcrumbs *b = &engine->breadcrumbs; > > /* The timer persists in case we cannot enable interrupts, > @@ -787,12 +789,8 @@ int intel_engine_init_breadcrumbs(struct intel_engine_cs *engine) > spin_lock_init(&b->rb_lock); > spin_lock_init(&b->irq_lock); > > - setup_timer(&b->fake_irq, > - intel_breadcrumbs_fake_irq, > - (unsigned long)engine); > - setup_timer(&b->hangcheck, > - intel_breadcrumbs_hangcheck, > - (unsigned long)engine); > + timer_setup(&b->fake_irq, intel_breadcrumbs_fake_irq, 0); > + timer_setup(&b->hangcheck, intel_breadcrumbs_hangcheck, 0); > > /* Spawn a thread to provide a common bottom-half for all signals. > * As this is an asynchronous interface we cannot steal the current > diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c > index fc0fd7498689..331c2b09869e 100644 > --- a/drivers/gpu/drm/i915/selftests/mock_engine.c > +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c > @@ -32,9 +32,9 @@ static struct mock_request *first_request(struct mock_engine *engine) > link); > } > > -static void hw_delay_complete(unsigned long data) > +static void hw_delay_complete(struct timer_list *t) > { > - struct mock_engine *engine = (typeof(engine))data; > + struct mock_engine *engine = from_timer(engine, t, hw_delay); > struct mock_request *request; > > spin_lock(&engine->hw_lock); > @@ -161,9 +161,7 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, > > /* fake hw queue */ > spin_lock_init(&engine->hw_lock); > - setup_timer(&engine->hw_delay, > - hw_delay_complete, > - (unsigned long)engine); > + timer_setup(&engine->hw_delay, hw_delay_complete, 0); > INIT_LIST_HEAD(&engine->hw_queue); > > return &engine->base;
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index ca33cc08cb07..e8ca67a129d2 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -369,9 +369,9 @@ struct i915_sw_dma_fence_cb { struct irq_work work; }; -static void timer_i915_sw_fence_wake(unsigned long data) +static void timer_i915_sw_fence_wake(struct timer_list *t) { - struct i915_sw_dma_fence_cb *cb = (struct i915_sw_dma_fence_cb *)data; + struct i915_sw_dma_fence_cb *cb = from_timer(cb, t, timer); struct i915_sw_fence *fence; fence = xchg(&cb->fence, NULL); @@ -434,9 +434,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence, i915_sw_fence_await(fence); cb->dma = NULL; - __setup_timer(&cb->timer, - timer_i915_sw_fence_wake, (unsigned long)cb, - TIMER_IRQSAFE); + timer_setup(&cb->timer, timer_i915_sw_fence_wake, TIMER_IRQSAFE); init_irq_work(&cb->work, irq_i915_sw_fence_work); if (timeout) { cb->dma = dma_fence_get(dma); diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 29c62d481cef..48e1ba01ccf8 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -74,9 +74,10 @@ static noinline void missed_breadcrumb(struct intel_engine_cs *engine) set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings); } -static void intel_breadcrumbs_hangcheck(unsigned long data) +static void intel_breadcrumbs_hangcheck(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.hangcheck); struct intel_breadcrumbs *b = &engine->breadcrumbs; if (!b->irq_armed) @@ -108,9 +109,10 @@ static void intel_breadcrumbs_hangcheck(unsigned long data) } } -static void intel_breadcrumbs_fake_irq(unsigned long data) +static void intel_breadcrumbs_fake_irq(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.fake_irq); struct intel_breadcrumbs *b = &engine->breadcrumbs; /* The timer persists in case we cannot enable interrupts, @@ -787,12 +789,8 @@ int intel_engine_init_breadcrumbs(struct intel_engine_cs *engine) spin_lock_init(&b->rb_lock); spin_lock_init(&b->irq_lock); - setup_timer(&b->fake_irq, - intel_breadcrumbs_fake_irq, - (unsigned long)engine); - setup_timer(&b->hangcheck, - intel_breadcrumbs_hangcheck, - (unsigned long)engine); + timer_setup(&b->fake_irq, intel_breadcrumbs_fake_irq, 0); + timer_setup(&b->hangcheck, intel_breadcrumbs_hangcheck, 0); /* Spawn a thread to provide a common bottom-half for all signals. * As this is an asynchronous interface we cannot steal the current diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c index fc0fd7498689..331c2b09869e 100644 --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -32,9 +32,9 @@ static struct mock_request *first_request(struct mock_engine *engine) link); } -static void hw_delay_complete(unsigned long data) +static void hw_delay_complete(struct timer_list *t) { - struct mock_engine *engine = (typeof(engine))data; + struct mock_engine *engine = from_timer(engine, t, hw_delay); struct mock_request *request; spin_lock(&engine->hw_lock); @@ -161,9 +161,7 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, /* fake hw queue */ spin_lock_init(&engine->hw_lock); - setup_timer(&engine->hw_delay, - hw_delay_complete, - (unsigned long)engine); + timer_setup(&engine->hw_delay, hw_delay_complete, 0); INIT_LIST_HEAD(&engine->hw_queue); return &engine->base;