Message ID | 20191111114323.5833-1-chris@chris-wilson.co.uk (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [CI,1/5] drm/i915: Protect context while grabbing its name for the request | expand |
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index bf20305a1083..b9613d044393 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1373,6 +1373,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, } execlists_active_lock_bh(execlists); + rcu_read_lock(); for (port = execlists->active; (rq = *port); port++) { char hdr[80]; int len; @@ -1410,6 +1411,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, if (tl) intel_timeline_put(tl); } + rcu_read_unlock(); execlists_active_unlock_bh(execlists); } else if (INTEL_GEN(dev_priv) > 6) { drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n",