Re: [Intel-gfx] [PATCH] [v2] drm/i915/pmu: avoid -Wmaybe-uninitialized warning

2018-03-14 Thread Tvrtko Ursulin
On 13/03/2018 20:10, Arnd Bergmann wrote: On Tue, Mar 13, 2018 at 6:46 PM, Tvrtko Ursulin wrote: On 13/03/2018 16:19, Arnd Bergmann wrote: The conditional spinlock confuses gcc into thinking the 'flags' value might contain uninitialized data: drivers/gpu/drm/i915/i915_pmu.c: In function '_

Re: [Intel-gfx] [PATCH] [v2] drm/i915/pmu: avoid -Wmaybe-uninitialized warning

2018-03-13 Thread Arnd Bergmann
On Tue, Mar 13, 2018 at 6:46 PM, Tvrtko Ursulin wrote: > > On 13/03/2018 16:19, Arnd Bergmann wrote: >> >> The conditional spinlock confuses gcc into thinking the 'flags' value >> might contain uninitialized data: >> >> drivers/gpu/drm/i915/i915_pmu.c: In function '__i915_pmu_event_read': >> arch/

Re: [Intel-gfx] [PATCH] [v2] drm/i915/pmu: avoid -Wmaybe-uninitialized warning

2018-03-13 Thread Tvrtko Ursulin
On 13/03/2018 16:19, Arnd Bergmann wrote: The conditional spinlock confuses gcc into thinking the 'flags' value might contain uninitialized data: drivers/gpu/drm/i915/i915_pmu.c: In function '__i915_pmu_event_read': arch/x86/include/asm/paravirt_types.h:573:3: error: 'flags' may be used uninit