On Mon, 19 Dec 2016, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> wrote:
> On ma, 2016-12-19 at 09:19 +0000, Tvrtko Ursulin wrote:
>> +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
>> @@ -631,9 +631,9 @@ i915_gem_swizzle_page(struct page *page)
>> vaddr = kmap(page);
>>
>> for (i = 0; i < PAGE_SIZE; i += 128) {
>> - memcpy(temp, &vaddr[i], 64);
>> + memcpy(&temp[0], &vaddr[i], 64);
>> memcpy(&vaddr[i], &vaddr[i + 64], 64);
>> - memcpy(&vaddr[i + 64], temp, 64);
>> + memcpy(&vaddr[i + 64], &temp[0], 64);
>
> This reeks of GCC bug badly. So I would not apply as next time the bug
> could be into the another direction.
Agreed. Please file a bug over at https://gcc.gnu.org/bugs/
BR,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
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