From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhi Wang Subject: Re: looks like a issue in do_switch() and mi_set_context() in i915_gem_context.c? Date: Wed, 01 Apr 2015 20:01:56 +0800 Message-ID: <551BDE34.5010301@intel.com> References: <20150401155856.GM25832@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id A11136E05C for ; Wed, 1 Apr 2015 20:32:22 -0700 (PDT) In-Reply-To: <20150401155856.GM25832@nuc-i3427.alporthouse.com> 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 SGkgQ2hyaXM6CiAgICAgVGhhbmtzIGZvciB0aGUgcmVwbHkuIDopIEkgY2FuIHVuZGVyc3RhbmQg dGhhdCB0aGUgYmFja2luZyBzdG9yYWdlIAppcyBwaW5uZWQgYXQgdGhpcyB0aW1lLCBhcyB0aGUg cmVmZXJlbmNlIGNvdW50ZXIgb2YgY29udGV4dCBvYmplY3QgCnNob3VsZCBub3QgYmUgemVyby4g QnV0IGZvciBWTUEsIGlzIHRoZXJlIGFueSBjaGFuY2UgdGhhdCB0aGUgdm1hIHdpbGwgCmJlIHVu YmluZGVkIGZyb20gR0dUVCBhdCB0aGlzIHRpbWUgYnkgc2hyaW5rZXI/IEkgc2F3IHRoYXQgCmk5 MTVfZ2VtX29iamVjdF9nZ3R0X3VucGluKCkgd2lsbCBkZWNyZWFzZSB0aGUgVk1BIHJlZmVyZW5j ZSBjb3VudGVyLi4uCgpUaGFua3MsClpoaS4KCk9uIDA0LzAxLzE1IDIzOjU4LCBDaHJpcyBXaWxz b24gd3JvdGU6Cj4gT24gV2VkLCBBcHIgMDEsIDIwMTUgYXQgMDM6NTI6MTdQTSArMDAwMCwgV2Fu ZywgWmhpIEEgd3JvdGU6Cj4+IEhpIEV4cGVydHMgYW5kIEd1cnVzOgo+PiAgICAgSSdtIGxlYXJu aW5nIGk5MTUgYW5kIEl0IGxvb2tzIGxpa2UgaW4gaTkxNV9nZW1fY29udGV4dC5jOiBtaV9zZXRf Y29udGV4dCgpLCB0aGUgbGFzdCBpbnRlbF9yaW5nX2FkdmFuY2UoKTsgaXMgYSBsYXp5IHJpbmcg dGFpbCB3cml0ZS4gU28gSSB0aGluayB0aGUgcmluZyBidWZmZXIgY29udGFpbnMgTUlfU0VUX0NP TlRFWFQgd2lsbCBub3QgYmUgc3VibWl0dGVkIGF0IHRoaXMgdGltZSwgYnV0IGluIHRoZSBjYWxs ZXI6IGRvX3N3aXRjaCgpIGl0IHdpbGwgdW5waW4gdGhlIGJhY2tpbmcgbWVtb3J5IG9mIHRoZSBj b250ZXh0IEdFTSBvYmplY3QuIEZyb20gdGhpcyB0aW1lIHRoZSBiYWNraW5nIG1lbW9yeSBtYXkg YmUgc3dhcHBlZCBvdXQ/IFRoZW4gaW4gdGhlIGV4ZWNidWZmZXIgcm91dGluZXMsIHRoZSBNSV9T RVRfQ09OVEVYVCBtYXkgc2F2ZSBjdXJyZW50IEhXIHN0YXRlIGludG8gYW4gdW5leHBlY3RlZCBs b2NhdGlvbiBJIGd1ZXNzPwo+Pgo+PiBkb19zd2l0Y2goKQo+PiAgICAgIC0+IG1pX3NldF9jb250 ZXh0KCkKPj4gICAgICAgICAgLT4gaW50ZWxfcmluZ19iZWdpbigpCj4+ICAgICAgICAgICAtPmVt aXQgTUlfU0VUX0NPTlRFWFQgKHNhdmUgY3VycmVudCBIVyBzdGF0ZSB0byAicHJldiIgY29udGV4 dCBhbmQgbG9hZCBlbmdpbmUgc3RhdGUgZnJvbSAibmV4dCIgY29udGV4dCwgYnV0IGl0IHdvbid0 IGJlIHN1Ym1pdHRlZCBhdCB0aGlzIHRpbWUpCj4+ICAgICAgICAgICAtPmludGVsX3JpbmdfYWR2 YW5jZSgpCj4+ICAgICAgLT4gdW5waW4gYW5kIHVucmVmZXJlbmNlICJwcmV2IiBjb250ZXh0KGZy b20gdGhpcyB0aW1lIHRoZSAicHJldiIgY29udGV4dCBjYW4gYmUgc3dhcHBlZCBieSBzaHJpbmtl ciBJIHRoaW5rKQo+Pgo+PiBUaGVuIHdlIGNvbWUgaW50byB0aGUgdGltZSBvZiByZWFsIHN1Ym1p c3Npb246Cj4+Cj4+IGk5MTVfZ2VtX2V4ZWNidWZmZXJfcmV0aXJlX2NvbW1hbmRzKCkKPj4gICAg ICAtPiBfX2ludGVsX3JpbmdfYWR2YW5jZSgpIChNSV9TRVRfQ09OVEVYVCBnb3Qgc3VibWl0dGVk IGF0IHRoaXMgdGltZSwgYnV0IHRoZSAicHJldiIgY29udGV4dCBpbiBkb19zd2l0Y2goKSBtYXkg YmUgc3dhcHBlZCBvdXQgYW5kIHR1cm5lZCBpbnRvIGludmFsaWQ/IElmIEdQVSBzYXZlIGN1cnJl bnQgZW5naW5lIHN0YXRlIGludG8gInByZXYiIGNvbnRleHQsIHRoZSAicHJldiIgY29udGV4dCBz aG91bGQgYmUgY29ycnVwdGVkPyBXaGVuIGl0IGdvdCBzd2l0Y2ggYmFjaywgdGhlcmUgc2hvdWxk IGJlIHByb2JsZW0gSSB0aGluay4pCj4+Cj4+IEkgdGhpbmsgYSBzb2x1dGlvbiBzaG91bGQgYmU6 Cj4+IC0gQ2hhbmdpbmcgaW50ZWxfcmluZ19hZHZhbmNlKCkgdG8gX19pbnRlbF9yaW5nX2Rhdm5j ZSgpIGluIG1pX3NldF9jb250ZXh0KCktPiBzdWJtaXQgdGhlIE1JX1NFVF9DT05URVhUIHJpbmcg YnVmZmVyIGRpcmVjdGx5IGF0ICB0aGlzIHRpbWUuCj4+IC0gUG9sbGluZyBDQ0lEIHJlZ2lzdGVy IHVudGlsIHRoZSBuZXcgZW5naW5lIHN0YXRlIGlzIGxvYWQgaW50byBIVy4KPj4KPj4gVGhlbiB0 aGUgInByZXYiIGNvbnRleHQgY2FuIGJlIHVucGlubmVkIGFuZCB1bnJlZmVyZW5jZWQgc2FmZWx5 Pwo+Pgo+PiBJJ20ganVzdCBhIGJlZ2lubmVyLCBJZiB5b3UgY2FuIGNvbmZpcm0gdGhpcyBpcyBh biBpc3N1ZSBvciBhIHBvdGVudGlhbCBwcm9ibGVtLCBJIGNhbiBjb29rIGEgcGF0Y2guIDopCj4K PiBJdCdzIG5vdCBhIHByb2JsZW0uIFRoZSBvbGQgY29udGV4dCBpcyBwaW5uZWQgYnkgdGhlIGFj dGl2ZSByZWZlcmVuY2UKPiB1bnRpbCB0aGUgTUlfU0VUX0NPTlRFWFQgc3dpdGNoIGlzIGNvbXBs ZXRlZCBieSBoYXJkd2FyZSBhdCBhbgo+IGluZGVmaW5pdGUgcG9pbnQgaW4gdGhlIGZ1dHVyZS4K PiAtQ2hyaXMKPgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=