[PATCH] no-rmb
Chris Wilson
chris at chris-wilson.co.uk
Wed Aug 15 22:19:11 UTC 2018
---
drivers/gpu/drm/i915/intel_lrc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 3f90c74038ef..9c466c81fdc3 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -924,7 +924,6 @@ static void process_csb(struct intel_engine_cs *engine)
* (lfence) the HW may speculatively perform the CSB[] reads *before*
* we perform the READ_ONCE(*csb_write).
*/
- rmb();
do {
struct i915_request *rq;
--
2.18.0
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