From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 5/6] drm/i915: Wrap engine->schedule in RCU locks for set-wedge protection Date: Fri, 09 Mar 2018 15:49:56 +0200 Message-ID: <87woylmk8r.fsf@gaia.fi.intel.com> References: <20180307134226.25492-1-chris@chris-wilson.co.uk> <20180307134226.25492-5-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 619346E229 for ; Fri, 9 Mar 2018 13:55:31 +0000 (UTC) In-Reply-To: <20180307134226.25492-5-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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gU2ltaWxh ciB0byB0aGUgc3RhZ2luZyBhcm91bmQgaGFuZGxpbmcgb2YgZW5naW5lLT5zdWJtaXRfcmVxdWVz dCwgd2UKPiBuZWVkIHRvIHN0b3AgYWRkaW5nIHRvIHRoZSBleGVjbGlzdHMtPnF1ZXVlIHByaW9y IHRvIGNhbGxpbmcKPiBlbmdpbmUtPmNhbmNlbF9yZXF1ZXN0cy4gY2FuY2VsX3JlcXVlc3RzIHdp bGwgbW92ZSByZXF1ZXN0cyBmcm9tIHRoZQo+IHF1ZXVlIG9udG8gdGhlIHRpbWVsaW5lLCBzbyBp ZiB3ZSBhZGQgYSByZXF1ZXN0IG9udG8gdGhlIHF1ZXVlIGFmdGVyIHRoYXQKPiBwb2ludCwgaXQg d2lsbCBiZSBsb3N0Lgo+Cj4gRml4ZXM6IGFmN2E4ZmZhZDljNSAoImRybS9pOTE1OiBVc2UgcmN1 IGluc3RlYWQgb2Ygc3RvcF9tYWNoaW5lIGluIHNldF93ZWRnZWQiKQo+IFNpZ25lZC1vZmYtYnk6 IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBNaWthIEt1b3Bw YWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KClJldmlld2VkLWJ5OiBNaWthIEt1b3BwYWxh IDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ2VtLmMgICAgIHwgMTMgKysrKysrKy0tLS0tLQo+ICBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X3JlcXVlc3QuYyB8ICAyICsrCj4gIDIgZmlsZXMgY2hhbmdlZCwgOSBpbnNl cnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gaW5k ZXggMzBjZDA3ZWJjYjhlLi4zYjQ0OTUyZTA4OWYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2Vt LmMKPiBAQCAtNDcxLDEwICs0NzEsMTEgQEAgc3RhdGljIHZvaWQgX19mZW5jZV9zZXRfcHJpb3Jp dHkoc3RydWN0IGRtYV9mZW5jZSAqZmVuY2UsIGludCBwcmlvKQo+ICAKPiAgCXJxID0gdG9fcmVx dWVzdChmZW5jZSk7Cj4gIAllbmdpbmUgPSBycS0+ZW5naW5lOwo+IC0JaWYgKCFlbmdpbmUtPnNj aGVkdWxlKQo+IC0JCXJldHVybjsKPiAgCj4gLQllbmdpbmUtPnNjaGVkdWxlKHJxLCBwcmlvKTsK PiArCXJjdV9yZWFkX2xvY2soKTsKPiArCWlmIChlbmdpbmUtPnNjaGVkdWxlKQo+ICsJCWVuZ2lu ZS0+c2NoZWR1bGUocnEsIHByaW8pOwo+ICsJcmN1X3JlYWRfdW5sb2NrKCk7Cj4gIH0KPiAgCj4g IHN0YXRpYyB2b2lkIGZlbmNlX3NldF9wcmlvcml0eShzdHJ1Y3QgZG1hX2ZlbmNlICpmZW5jZSwg aW50IHByaW8pCj4gQEAgLTMyMTQsOCArMzIxNSwxMSBAQCB2b2lkIGk5MTVfZ2VtX3NldF93ZWRn ZWQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUpCj4gIAkgKi8KPiAgCWZvcl9lYWNoX2Vu Z2luZShlbmdpbmUsIGk5MTUsIGlkKSB7Cj4gIAkJaTkxNV9nZW1fcmVzZXRfcHJlcGFyZV9lbmdp bmUoZW5naW5lKTsKPiArCj4gIAkJZW5naW5lLT5zdWJtaXRfcmVxdWVzdCA9IG5vcF9zdWJtaXRf cmVxdWVzdDsKPiArCQllbmdpbmUtPnNjaGVkdWxlID0gTlVMTDsKPiAgCX0KPiArCWk5MTUtPmNh cHMuc2NoZWR1bGVyID0gMDsKPiAgCj4gIAkvKgo+ICAJICogTWFrZSBzdXJlIG5vIG9uZSBpcyBy dW5uaW5nIHRoZSBvbGQgY2FsbGJhY2sgYmVmb3JlIHdlIHByb2NlZWQgd2l0aAo+IEBAIC0zMjMz LDExICszMjM3LDggQEAgdm9pZCBpOTE1X2dlbV9zZXRfd2VkZ2VkKHN0cnVjdCBkcm1faTkxNV9w cml2YXRlICppOTE1KQo+ICAJCSAqIHN0YXJ0IHRvIGNvbXBsZXRlIGFsbCByZXF1ZXN0cy4KPiAg CQkgKi8KPiAgCQllbmdpbmUtPnN1Ym1pdF9yZXF1ZXN0ID0gbm9wX2NvbXBsZXRlX3N1Ym1pdF9y ZXF1ZXN0Owo+IC0JCWVuZ2luZS0+c2NoZWR1bGUgPSBOVUxMOwo+ICAJfQo+ICAKPiAtCWk5MTUt PmNhcHMuc2NoZWR1bGVyID0gMDsKPiAtCj4gIAkvKgo+ICAJICogTWFrZSBzdXJlIG5vIHJlcXVl c3QgY2FuIHNsaXAgdGhyb3VnaCB3aXRob3V0IGdldHRpbmcgY29tcGxldGVkIGJ5Cj4gIAkgKiBl aXRoZXIgdGhpcyBjYWxsIGhlcmUgdG8gaW50ZWxfZW5naW5lX2luaXRfZ2xvYmFsX3NlcW5vLCBv ciB0aGUgb25lCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVxdWVz dC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZXF1ZXN0LmMKPiBpbmRleCA2OWIzNzhh MzIzZmMuLjAyNTg0NDk1NzlmOCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X3JlcXVlc3QuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVxdWVzdC5j Cj4gQEAgLTEwODIsOCArMTA4MiwxMCBAQCB2b2lkIF9faTkxNV9yZXF1ZXN0X2FkZChzdHJ1Y3Qg aTkxNV9yZXF1ZXN0ICpyZXF1ZXN0LCBib29sIGZsdXNoX2NhY2hlcykKPiAgCSAqIGRlY2lkZSB3 aGV0aGVyIHRvIHByZWVtcHQgdGhlIGVudGlyZSBjaGFpbiBzbyB0aGF0IGl0IGlzIHJlYWR5IHRv Cj4gIAkgKiBydW4gYXQgdGhlIGVhcmxpZXN0IHBvc3NpYmxlIGNvbnZlbmllbmNlLgo+ICAJICov Cj4gKwlyY3VfcmVhZF9sb2NrKCk7Cj4gIAlpZiAoZW5naW5lLT5zY2hlZHVsZSkKPiAgCQllbmdp bmUtPnNjaGVkdWxlKHJlcXVlc3QsIHJlcXVlc3QtPmN0eC0+cHJpb3JpdHkpOwo+ICsJcmN1X3Jl YWRfdW5sb2NrKCk7Cj4gIAo+ICAJbG9jYWxfYmhfZGlzYWJsZSgpOwo+ICAJaTkxNV9zd19mZW5j ZV9jb21taXQoJnJlcXVlc3QtPnN1Ym1pdCk7Cj4gLS0gCj4gMi4xNi4yCj4KPiBfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5n IGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==