From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Assert we idle in the kernel context Date: Fri, 01 Jun 2018 12:13:12 +0300 Message-ID: <87in727tuf.fsf@gaia.fi.intel.com> References: <20180531224057.6036-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2A8406E5C0 for ; Fri, 1 Jun 2018 09:13:30 +0000 (UTC) In-Reply-To: <20180531224057.6036-1-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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gTm93IHRo YXQgd2UgYWx3YXlzIHN3aXRjaCB0byB0aGUga2VybmVsIGNvbnRleHQgdXBvbiBpZGxpbmcsIHdl IGNhbgo+IG1ha2UgdGhhdCBhc3NlcnRpb24uCj4KPiBSZWZlcmVuY2VzOiA0ZGZhY2IwYmNiZWUg KCJkcm0vaTkxNTogU3dpdGNoIHRvIGtlcm5lbCBjb250ZXh0IGJlZm9yZSBpZGxpbmcgYXQgcnVu dGltZSIpCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24u Y28udWs+Cj4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29t PgoKUmV2aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwu Y29tPgoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyB8IDMxICsrKysr KysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDE4IGluc2VydGlv bnMoKyksIDEzIGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gaW5kZXgg ZjVjNGVmMDUyMDAxLi42NmJiODFjZDQzY2QgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMK PiBAQCAtMzQ5OCw2ICszNDk4LDIyIEBAIG5ld19yZXF1ZXN0c19zaW5jZV9sYXN0X3JldGlyZShj b25zdCBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSkKPiAgCQl3b3JrX3BlbmRpbmcoJmk5 MTUtPmd0LmlkbGVfd29yay53b3JrKSk7Cj4gIH0KPiAgCj4gK3N0YXRpYyB2b2lkIGFzc2VydF9r ZXJuZWxfY29udGV4dF9pc19jdXJyZW50KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1KQo+ ICt7Cj4gKwlzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmU7Cj4gKwllbnVtIGludGVsX2Vu Z2luZV9pZCBpZDsKPiArCj4gKwlpZiAoaTkxNV90ZXJtaW5hbGx5X3dlZGdlZCgmaTkxNS0+Z3B1 X2Vycm9yKSkKPiArCQlyZXR1cm47Cj4gKwo+ICsJR0VNX0JVR19PTihpOTE1LT5ndC5hY3RpdmVf cmVxdWVzdHMpOwo+ICsJZm9yX2VhY2hfZW5naW5lKGVuZ2luZSwgaTkxNSwgaWQpIHsKPiArCQlH RU1fQlVHX09OKF9faTkxNV9nZW1fYWN0aXZlX3BlZWsoJmVuZ2luZS0+dGltZWxpbmUubGFzdF9y ZXF1ZXN0KSk7Cj4gKwkJR0VNX0JVR19PTihlbmdpbmUtPmxhc3RfcmV0aXJlZF9jb250ZXh0ICE9 Cj4gKwkJCSAgIHRvX2ludGVsX2NvbnRleHQoaTkxNS0+a2VybmVsX2NvbnRleHQsIGVuZ2luZSkp Owo+ICsJfQo+ICt9Cj4gKwo+ICBzdGF0aWMgdm9pZAo+ICBpOTE1X2dlbV9pZGxlX3dvcmtfaGFu ZGxlcihzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4gIHsKPiBAQCAtMzU1OCw2ICszNTc0LDgg QEAgaTkxNV9nZW1faWRsZV93b3JrX2hhbmRsZXIoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+ ICAJaWYgKG5ld19yZXF1ZXN0c19zaW5jZV9sYXN0X3JldGlyZShkZXZfcHJpdikpCj4gIAkJZ290 byBvdXRfdW5sb2NrOwo+ICAKPiArCWFzc2VydF9rZXJuZWxfY29udGV4dF9pc19jdXJyZW50KGRl dl9wcml2KTsKPiArCj4gIAllcG9jaCA9IF9faTkxNV9nZW1fcGFyayhkZXZfcHJpdik7Cj4gIAo+ ICAJcmVhcm1faGFuZ2NoZWNrID0gZmFsc2U7Cj4gQEAgLTQ5NDQsMTkgKzQ5NjIsNiBAQCB2b2lk IF9faTkxNV9nZW1fb2JqZWN0X3JlbGVhc2VfdW5sZXNzX2FjdGl2ZShzdHJ1Y3QgZHJtX2k5MTVf Z2VtX29iamVjdCAqb2JqKQo+ICAJCWk5MTVfZ2VtX29iamVjdF9wdXQob2JqKTsKPiAgfQo+ICAK PiAtc3RhdGljIHZvaWQgYXNzZXJ0X2tlcm5lbF9jb250ZXh0X2lzX2N1cnJlbnQoc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmk5MTUpCj4gLXsKPiAtCXN0cnVjdCBpOTE1X2dlbV9jb250ZXh0ICpr Y3R4ID0gaTkxNS0+a2VybmVsX2NvbnRleHQ7Cj4gLQlzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICpl bmdpbmU7Cj4gLQllbnVtIGludGVsX2VuZ2luZV9pZCBpZDsKPiAtCj4gLQlHRU1fQlVHX09OKGk5 MTUtPmd0LmFjdGl2ZV9yZXF1ZXN0cyk7Cj4gLQlmb3JfZWFjaF9lbmdpbmUoZW5naW5lLCBpOTE1 LCBpZCkgewo+IC0JCUdFTV9CVUdfT04oX19pOTE1X2dlbV9hY3RpdmVfcGVlaygmZW5naW5lLT50 aW1lbGluZS5sYXN0X3JlcXVlc3QpKTsKPiAtCQlHRU1fQlVHX09OKGVuZ2luZS0+bGFzdF9yZXRp cmVkX2NvbnRleHQtPmdlbV9jb250ZXh0ICE9IGtjdHgpOwo+IC0JfQo+IC19Cj4gLQo+ICB2b2lk IGk5MTVfZ2VtX3Nhbml0aXplKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1KQo+ICB7Cj4g IAlzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmU7Cj4gLS0gCj4gMi4xNy4xCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=