[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [CI,1/9] drm/i915/gt: Mark up racy read of intel_ring.head

[Patchwork]

== Series Details ==

Series: series starting with [CI,1/9] drm/i915/gt: Mark up racy read of intel_ring.head
URL   : https://patchwork.freedesktop.org/series/75667/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
78a5ccdb8c47 drm/i915/gem: Apply more mb() around clflush relocation paths
-:24: WARNING:MEMORY_BARRIER: memory barrier without comment
#24: FILE: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1041:
+			mb();

-:41: WARNING:MEMORY_BARRIER: memory barrier without comment
#41: FILE: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1063:
+		mb();

-:52: WARNING:MEMORY_BARRIER: memory barrier without comment
#52: FILE: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1170:
+			mb();

total: 0 errors, 3 warnings, 0 checks, 36 lines checked
5383336232fb drm/i915/gem: Include PIN_GLOBAL prior to using I915_DISPATCH_SECURE
390e4f1dba9b drm/i915/gem: Assign context id for async work
50f81cbd53ef drm/i915: Export a preallocate variant of i915_active_acquire()
2538bbe3b0dd drm/i915/gem: Separate the ww_mutex walker into its own list
-:92: WARNING:LONG_LINE: line over 100 characters
#92: FILE: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1642:
+			list_for_each_entry_safe_continue_reverse(unlock, en, &eb->lock, lock_link) {

-:140: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pos' - possible side-effects?
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:269:
+#define list_for_each_entry_safe_continue_reverse(pos, n, head, member)	\
+	for (pos = list_prev_entry(pos, member),			\
+		n = list_prev_entry(pos, member);			\
+	     &pos->member != (head);					\
+	     pos = n, n = list_prev_entry(n, member))

-:140: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'n' - possible side-effects?
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:269:
+#define list_for_each_entry_safe_continue_reverse(pos, n, head, member)	\
+	for (pos = list_prev_entry(pos, member),			\
+		n = list_prev_entry(pos, member);			\
+	     &pos->member != (head);					\
+	     pos = n, n = list_prev_entry(n, member))

-:140: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'member' - possible side-effects?
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:269:
+#define list_for_each_entry_safe_continue_reverse(pos, n, head, member)	\
+	for (pos = list_prev_entry(pos, member),			\
+		n = list_prev_entry(pos, member);			\
+	     &pos->member != (head);					\
+	     pos = n, n = list_prev_entry(n, member))

total: 0 errors, 1 warnings, 3 checks, 120 lines checked
27d347f131a9 drm/i915/gem: Asynchronous GTT unbinding
c498c6b039e8 drm/i915/gem: Bind the fence async for execbuf