From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Ignore stuck requests when considering hangs Date: Mon, 22 Aug 2016 14:39:30 +0300 Message-ID: <87shtxm3rh.fsf@gaia.fi.intel.com> References: <20160820145408.32180-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 24CDB6E443 for ; Mon, 22 Aug 2016 11:40:10 +0000 (UTC) In-Reply-To: <20160820145408.32180-1-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+IHdyaXRlczoKCj4gSWYgdGhl IGVuZ2luZSBpc24ndCBiZWluZyByZXRpcmVkICh3b3JrZXIgc3RhcnZhdGlvbj8pIHRoZW4gaXQg aXMKPiBwb3NzaWJsZSBmb3IgdXMgdG8gcmVwZWF0ZWRseSBvYnNlcnZlIHRoYXQgYmV0d2VlbiBj b25zZWN1dGl2ZQo+IGhhbmdjaGVja3MgdGhlIHNlcW5vIG9uIHRoZSByaW5nIHRvIGJlIHRoZSBz YW1lIGFuZCB0aGVyZSByZW1haW4KPiB1bnJldGlyZWQgcmVxdWVzdHMuIElnbm9yZSB0aGVzZSBj b21wbGV0ZWx5IGFuZCBvbmx5IHJlZ2FyZCB0aGUgZW5naW5lCj4gYXMgYnVzeSBmb3IgdGhlIHB1 cnBvc2Ugb2YgaGFuZyBkZXRlY3Rpb24gKG5vdCBzdGFsbCBkZXRlY3Rpb24pIGlmIHRoZXJlCj4g YXJlIG91dHN0YW5kaW5nIGJyZWFkY3J1bWJzLgo+Cj4gSW4gcmVjZW50IGhpc3Rvcnkgd2UgaGF2 ZSBsb29rZWQgYXQgdXNpbmcgYm90aCB0aGUgcmVxdWVzdCBhbmQgc2Vxbm8gYXMKPiBpbmRpY2F0 aW9uIG9mIGFjdGl2aXR5IG9uIHRoZSBlbmdpbmUsIGJ1dCB0aGF0IHdhcyByZWR1Y2VkIHRvIGp1 c3QKPiBpbnNwZWN0aW5nIHNlcW5vIGluIGNvbW1pdCBjZmZhNzgxZTU5MDcgKCJkcm0vaTkxNTog U2ltcGxpZnkgY2hlY2sgZm9yCj4gaWRsZW5lc3MgaW4gaGFuZ2NoZWNrIikuIEhvd2V2ZXIsIGlu IGNvbW1pdCBkY2ZmODVjODQ0M2UgKCJkcm0vaTkxNToKPiBFbmFibGUgaTkxNV9nZW1fd2FpdF9m b3JfaWRsZSgpIHdpdGhvdXQgaG9sZGluZyBzdHJ1Y3RfbXV0ZXgiKSwgSSBtYWRlCj4gdGhlIGRl Y2lzaW9uIHRvIHVzZSB0aGUgbmV3IGNvbW1vbiBsb2NrbGVzcyBmdW5jdGlvbiwgdW5kZXIgdGhl Cj4gYXNzdW1wdGlvbiB0aGF0IHJlcXVlc3QgcmV0aXJlbWVudCB3YXMgbW9yZSBmcmVxdWVudCB0 aGFuIGhhbmdjaGVjayBhbmQKPiBzbyB3ZSB3b3VsZCBub3QgaGF2ZSBhIHN0dWNrIGJ1c3kgY2hl Y2suIFRoZSBmbGF3IHRoZXJlIHdhcyBpbgo+IGZvcmdldHRpbmcgdGhhdCB3ZSBhY2N1bXVsYXRl IHRoZSBoYW5nIHNjb3JlLCBhbmQgc28gc3VjY2Vzc2l2ZSBjaGVja3MKPiBzZWVpbmcgYSBzdHVj ayByZXF1ZXN0LCBhbGJlaXQgd2l0aCB0aGUgR1BVIGFkdmFuY2luZyBlbHNld2hlcmUgYW5kIHNv Cj4gbm90IG5lY2Vzc2FyeSB0aGUgc2FtZSBzdHVjayByZXF1ZXN0LCB3b3VsZCBldmVudHVhbGx5 IHRyaWdnZXIgdGhlIGhhbmcuCj4KPiBGaXhlczogZGNmZjg1Yzg0NDNlICgiZHJtL2k5MTU6IEVu YWJsZSBpOTE1X2dlbV93YWl0X2Zvcl9pZGxlKCkuLi4iKQo+IFNpZ25lZC1vZmYtYnk6IENocmlz IFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBNaWthIEt1b3BwYWxhIDxt aWthLmt1b3BwYWxhQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9pcnEuYyB8IDQgKysrLQo+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEu YyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPiBpbmRleCBlYmI4M2Q1YTQ0OGIu Ljc2MTBlY2E0ZjY4NyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2ly cS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+IEBAIC0zMDc5LDYg KzMwNzksNyBAQCBzdGF0aWMgdm9pZCBpOTE1X2hhbmdjaGVja19lbGFwc2VkKHN0cnVjdCB3b3Jr X3N0cnVjdCAqd29yaykKPiAgCQlib29sIGJ1c3kgPSBpbnRlbF9lbmdpbmVfaGFzX3dhaXRlcihl bmdpbmUpOwo+ICAJCXU2NCBhY3RoZDsKPiAgCQl1MzIgc2Vxbm87Cj4gKwkJdTMyIHN1Ym1pdDsK PiAgCj4gIAkJc2VtYXBob3JlX2NsZWFyX2RlYWRsb2NrcyhkZXZfcHJpdik7Cj4gIAo+IEBAIC0z MDk0LDkgKzMwOTUsMTAgQEAgc3RhdGljIHZvaWQgaTkxNV9oYW5nY2hlY2tfZWxhcHNlZChzdHJ1 Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4gIAo+ICAJCWFjdGhkID0gaW50ZWxfZW5naW5lX2dldF9h Y3RpdmVfaGVhZChlbmdpbmUpOwo+ICAJCXNlcW5vID0gaW50ZWxfZW5naW5lX2dldF9zZXFubyhl bmdpbmUpOwo+ICsJCXN1Ym1pdCA9IFJFQURfT05DRShlbmdpbmUtPmxhc3Rfc3VibWl0dGVkX3Nl cW5vKTsKPiAgCj4gIAkJaWYgKGVuZ2luZS0+aGFuZ2NoZWNrLnNlcW5vID09IHNlcW5vKSB7Cj4g LQkJCWlmICghaW50ZWxfZW5naW5lX2lzX2FjdGl2ZShlbmdpbmUpKSB7Cj4gKwkJCWlmIChpOTE1 X3NlcW5vX3Bhc3NlZChzZXFubywgc3VibWl0KSkgewoKU2V0dGluZyBvZiBidXN5IGNvdWxkIGJl IG1vdmVkIGluIHRoZSBpbiBzY29wZS4KCkFsc28gdGhlIGNoZWNrIGNvdWxkIGJlIHNlcW5vID09 IHN1Ym1pdCBhbmQgd2FybmluZyBpZiB3ZSBzZWUKc2Vxbm8gb24gZW5naW5lIHBhc3Qgc3VibWl0 LgoKQnV0IHRoZSBwYXRjaCBmaXhlcyB3aGF0IGl0IHNheXMgaXQgZG9lcywKClJldmlld2VkLWJ5 OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KCj4gIAkJCQllbmdpbmUt PmhhbmdjaGVjay5hY3Rpb24gPSBIQU5HQ0hFQ0tfSURMRTsKPiAgCQkJCWlmIChidXN5KSB7Cj4g IAkJCQkJLyogU2FmZWd1YXJkIGFnYWluc3QgZHJpdmVyIGZhaWx1cmUgKi8KPiAtLSAKPiAyLjku MwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1n ZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK