diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index d34141f7dcd8..03a73d2bd50d 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -34,6 +34,8 @@ struct drm_i915_private; struct timer_list; +#define FDO_BUG_URL "https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs" + #undef WARN_ON /* Many gcc seem to no see through this and fall over :( */ #if 0 @@ -100,12 +102,24 @@ bool i915_error_injected(void); typeof(max) max__ = (max); \ (void)(&start__ == &size__); \ (void)(&start__ == &max__); \ - start__ > max__ || size__ > max__ - start__; \ + start__ >= max__ || size__ > max__ - start__; \ }) #define range_overflows_t(type, start, size, max) \ range_overflows((type)(start), (type)(size), (type)(max)) +#define range_overflows_end(start, size, max) ({ \ + typeof(start) start__ = (start); \ + typeof(size) size__ = (size); \ + typeof(max) max__ = (max); \ + (void)(&start__ == &size__); \ + (void)(&start__ == &max__); \ + start__ > max__ || size__ > max__ - start__; \ +}) + +#define range_overflows_end_t(type, start, size, max) \ + range_overflows_end((type)(start), (type)(size), (type)(max)) + /* Note we don't consider signbits :| */ #define overflows_type(x, T) \ (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) @@ -246,6 +260,12 @@ static inline void __list_del_many(struct list_head *head, WRITE_ONCE(head->next, first); } +static inline int list_is_last_rcu(const struct list_head *list, + const struct list_head *head) +{ + return READ_ONCE(list->next) == head; +} + /* * Wait until the work is finally complete, even if it tries to postpone * by requeueing itself. Note, that if the worker never cancels itself, |