From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH] drm/i915/selftests: Provide full mb() around clflush Date: Fri, 6 Jul 2018 13:23:00 -0700 Message-ID: <20180706202259.GA23473@intel.com> References: <20180706174926.4712-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0561F6E22D for ; Fri, 6 Jul 2018 20:23:17 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180706174926.4712-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdWwgMDYsIDIwMTggYXQgMDY6NDk6MjZQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IGNsZmx1c2ggaXMgYW4gdW5zZXJpYWxpc2VkIGluc3RydWN0aW9uIGFuZCB0aGUgSUEg bWFudWFsIHN0cm9uZ2x5IGFkdmlzZXMKPiB5b3UgdG8gc2VyaWFsaXNlIGl0IHdpdGggYSBtYi4g VG8gYmUgY2F1dGlvdXMsIGFwcGx5IG9uZSBiZWZvcmUgYW5kIG9uZQo+IGFmdGVyLAoKbXkgdW5k ZXJzdGFuZGluZyBpcyB0aGF0IHdlIG5lZWQgb25lIGJlZm9yZSBhbmQgb25lIGFmdGVyIGFueXdh eXMsCm5vdCBqdXN0IGEgbWF0dGVyIG9mIGJlaW5nIGNhdXRpb3VzIGZvciBiZWluZyBjYXV0aW91 cy4uCgpSZXZpZXdlZC1ieTogUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgoK Cj4gc28gdGhhdCBpdCBpcyBzZXJpYWxpc2VkIHdpdGggYm90aCB3cml0ZXMgYW5kIHJlYWRzIHdp dGhvdXQKPiB3b3JyeWluZyB0b28gbXVjaCBhYm91dCB0aGUgcmVxdWlyZWQgZGlyZWN0aW9uLgo+ IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVr Pgo+IC0tLQo+ICAuLi4vZHJtL2k5MTUvc2VsZnRlc3RzL2k5MTVfZ2VtX2NvaGVyZW5jeS5jICAg fCAyMSArKysrKysrKysrKysrKysrLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxOCBpbnNlcnRpb25z KCspLCAzIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9zZWxmdGVzdHMvaTkxNV9nZW1fY29oZXJlbmN5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9z ZWxmdGVzdHMvaTkxNV9nZW1fY29oZXJlbmN5LmMKPiBpbmRleCAyOTRjNThhYmEyYzEuLmRmNDRj MzAyYTlmZSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9zZWxmdGVzdHMvaTkx NV9nZW1fY29oZXJlbmN5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9zZWxmdGVzdHMv aTkxNV9nZW1fY29oZXJlbmN5LmMKPiBAQCAtNDIsMTEgKzQyLDIxIEBAIHN0YXRpYyBpbnQgY3B1 X3NldChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqLAo+ICAKPiAgCXBhZ2UgPSBpOTE1 X2dlbV9vYmplY3RfZ2V0X3BhZ2Uob2JqLCBvZmZzZXQgPj4gUEFHRV9TSElGVCk7Cj4gIAltYXAg PSBrbWFwX2F0b21pYyhwYWdlKTsKPiAtCWlmIChuZWVkc19jbGZsdXNoICYgQ0xGTFVTSF9CRUZP UkUpCj4gKwo+ICsJaWYgKG5lZWRzX2NsZmx1c2ggJiBDTEZMVVNIX0JFRk9SRSkgewo+ICsJCW1i KCk7Cj4gIAkJY2xmbHVzaChtYXArb2Zmc2V0X2luX3BhZ2Uob2Zmc2V0KSAvIHNpemVvZigqbWFw KSk7Cj4gKwkJbWIoKTsKPiArCX0KPiArCj4gIAltYXBbb2Zmc2V0X2luX3BhZ2Uob2Zmc2V0KSAv IHNpemVvZigqbWFwKV0gPSB2Owo+IC0JaWYgKG5lZWRzX2NsZmx1c2ggJiBDTEZMVVNIX0FGVEVS KQo+ICsKPiArCWlmIChuZWVkc19jbGZsdXNoICYgQ0xGTFVTSF9BRlRFUikgewo+ICsJCW1iKCk7 Cj4gIAkJY2xmbHVzaChtYXArb2Zmc2V0X2luX3BhZ2Uob2Zmc2V0KSAvIHNpemVvZigqbWFwKSk7 Cj4gKwkJbWIoKTsKPiArCX0KPiArCj4gIAlrdW5tYXBfYXRvbWljKG1hcCk7Cj4gIAo+ICAJaTkx NV9nZW1fb2JqX2ZpbmlzaF9zaG1lbV9hY2Nlc3Mob2JqKTsKPiBAQCAtNjgsOCArNzgsMTMgQEAg c3RhdGljIGludCBjcHVfZ2V0KHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCj4gIAo+ ICAJcGFnZSA9IGk5MTVfZ2VtX29iamVjdF9nZXRfcGFnZShvYmosIG9mZnNldCA+PiBQQUdFX1NI SUZUKTsKPiAgCW1hcCA9IGttYXBfYXRvbWljKHBhZ2UpOwo+IC0JaWYgKG5lZWRzX2NsZmx1c2gg JiBDTEZMVVNIX0JFRk9SRSkKPiArCj4gKwlpZiAobmVlZHNfY2xmbHVzaCAmIENMRkxVU0hfQkVG T1JFKSB7Cj4gKwkJbWIoKTsKPiAgCQljbGZsdXNoKG1hcCtvZmZzZXRfaW5fcGFnZShvZmZzZXQp IC8gc2l6ZW9mKCptYXApKTsKPiArCQltYigpOwo+ICsJfQo+ICsKPiAgCSp2ID0gbWFwW29mZnNl dF9pbl9wYWdlKG9mZnNldCkgLyBzaXplb2YoKm1hcCldOwo+ICAJa3VubWFwX2F0b21pYyhtYXAp Owo+ICAKPiAtLSAKPiAyLjE4LjAKPiAKPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==