From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: Re: [PATCH v1 00/12] PCI: Rework shadow ROM handling Date: Sat, 12 Mar 2016 06:26:22 -0600 Message-ID: <20160312122622.GC27552@localhost> References: <20160303164533.3025.82439.stgit@bhelgaas-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20160303164533.3025.82439.stgit@bhelgaas-glaptop2.roam.corp.google.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Bjorn Helgaas Cc: Fenghua Yu , Tony Luck , linux-pci@vger.kernel.org, Intel Graphics Development , linux-kernel@vger.kernel.org, DRI , Andy Lutomirski , Bruno =?iso-8859-1?Q?Pr=E9mont?= , Ralf Baechle , Alex Deucher , Linus Torvalds List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBNYXIgMDMsIDIwMTYgYXQgMTA6NTM6NTBBTSAtMDYwMCwgQmpvcm4gSGVsZ2FhcyB3 cm90ZToKPiBUaGUgcHVycG9zZSBvZiB0aGlzIHNlcmllcyBpcyB0bzoKPiAuLi4KCj4gICAtIE1v dmUgYXJjaC1zcGVjaWZpYyBzaGFkb3cgUk9NIGxvY2F0aW9uIGtub3dsZWRnZSwgZS5nLiwKPiAg ICAgMHhDMDAwMC0weERGRkZGLCBmcm9tIFBDSSBjb3JlIHRvIGFyY2ggY29kZS4KPiAuLi4KCj4g Qmpvcm4gSGVsZ2FhcyAoMTIpOgo+ICAgICAgIFBDSTogTWFyayBzaGFkb3cgY29weSBvZiBWR0Eg Uk9NIGFzIElPUkVTT1VSQ0VfUENJX0ZJWEVECj4gICAgICAgUENJOiBEb24ndCBhc3NpZ24gb3Ig cmVhc3NpZ24gaW1tdXRhYmxlIHJlc291cmNlcwo+ICAgICAgIFBDSTogRG9uJ3QgZW5hYmxlL2Rp c2FibGUgUk9NIEJBUiBpZiB3ZSdyZSB1c2luZyBhIFJBTSBzaGFkb3cgY29weQo+ICAgICAgIFBD STogU2V0IFJPTSBzaGFkb3cgbG9jYXRpb24gaW4gYXJjaCBjb2RlLCBub3QgaW4gUENJIGNvcmUK CkkgcHJvcG9zZSB0byBhZGQgdGhlIHBhdGNoIGJlbG93IGF0IHRoaXMgcG9pbnQgaW4gdGhlIHNl cmllcy4KCj4gICAgICAgUENJOiBDbGVhbiB1cCBwY2lfbWFwX3JvbSgpIHdoaXRlc3BhY2UKPiAg ICAgICBpYTY0L1BDSTogVXNlIHRlbXBvcmFyeSBzdHJ1Y3QgcmVzb3VyY2UgKiB0byBhdm9pZCBy ZXBldGl0aW9uCj4gICAgICAgaWE2NC9QQ0k6IFVzZSBpb3JlbWFwKCkgaW5zdGVhZCBvZiBvcGVu LWNvZGVkIGVxdWl2YWxlbnQKPiAgICAgICBpYTY0L1BDSTogS2VlcCBDUFUgcGh5c2ljYWwgKG5v dCB2aXJ0dWFsKSBhZGRyZXNzZXMgaW4gc2hhZG93IFJPTSByZXNvdXJjZQo+ICAgICAgIE1JUFM6 IExvb25nc29uIDM6IFVzZSB0ZW1wb3Jhcnkgc3RydWN0IHJlc291cmNlICogdG8gYXZvaWQgcmVw ZXRpdGlvbgo+ICAgICAgIE1JUFM6IExvb25nc29uIDM6IEtlZXAgQ1BVIHBoeXNpY2FsIChub3Qg dmlydHVhbCkgYWRkcmVzc2VzIGluIHNoYWRvdyBST00gcmVzb3VyY2UKPiAgICAgICBQQ0k6IFJl bW92ZSB1bnVzZWQgSU9SRVNPVVJDRV9ST01fQ09QWSBhbmQgSU9SRVNPVVJDRV9ST01fQklPU19D T1BZCj4gICAgICAgUENJOiBTaW1wbGlmeSBzeXNmcyBST00gY2xlYW51cAoKY29tbWl0IGFjMGMz MDJhOTE5YmE3YjY4ZGJmMjc0YmFiZGMwOGM4M2RmNmY1MzIKQXV0aG9yOiBCam9ybiBIZWxnYWFz IDxiaGVsZ2Fhc0Bnb29nbGUuY29tPgpEYXRlOiAgIFNhdCBNYXIgMTIgMDU6NDg6MDggMjAxNiAt MDYwMAoKICAgIFBDSTogUmVtb3ZlIGFyY2gtc3BlY2lmaWMgSU9SRVNPVVJDRV9ST01fU0hBRE9X IHNpemUgZnJvbSBzeXNmcwogICAgCiAgICBXaGVuIHBjaV9jcmVhdGVfc3lzZnNfZGV2X2ZpbGVz KCkgY3JlYXRlZCB0aGUgInJvbSIgc3lzZnMgZmlsZSwgaXQgc2V0IHRoZQogICAgc3lzZnMgZmls ZSBzaXplIHRvIHRoZSBhY3R1YWwgc2l6ZSBvZiBhIFJPTSBCQVIsIG9yIGlmIHRoZXJlIHdhcyBu byBST00gQkFSCiAgICBidXQgdGhlIHBsYXRmb3JtIHByb3ZpZGVkIGEgc2hhZG93IGNvcHkgaW4g UkFNLCB0byAweDIwMDAwLiAgMHgyMDAwMCBpcyBhbgogICAgYXJjaC1zcGVjaWZpYyBsZW5ndGgg dGhhdCBzaG91bGQgbm90IGJlIGJha2VkIGludG8gdGhlIFBDSSBjb3JlLgogICAgCiAgICBFdmVy eSBwbGFjZSB0aGF0IHNldHMgSU9SRVNPVVJDRV9ST01fU0hBRE9XIGFsc28gc2V0cyB0aGUgc2l6 ZSBvZiB0aGUKICAgIFBDSV9ST01fUkVTT1VSQ0UsIHNvIHVzZSB0aGUgcmVzb3VyY2UgbGVuZ3Ro IGFsd2F5cy4KICAgIAogICAgU2lnbmVkLW9mZi1ieTogQmpvcm4gSGVsZ2FhcyA8YmhlbGdhYXNA Z29vZ2xlLmNvbT4KCmRpZmYgLS1naXQgYS9kcml2ZXJzL3BjaS9wY2ktc3lzZnMuYyBiL2RyaXZl cnMvcGNpL3BjaS1zeXNmcy5jCmluZGV4IDk1ZDllN2IuLjUxZDRkYWQgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvcGNpL3BjaS1zeXNmcy5jCisrKyBiL2RyaXZlcnMvcGNpL3BjaS1zeXNmcy5jCkBAIC0x MzU2LDcgKzEzNTYsNyBAQCBlcnJvcjoKIGludCBfX211c3RfY2hlY2sgcGNpX2NyZWF0ZV9zeXNm c19kZXZfZmlsZXMoc3RydWN0IHBjaV9kZXYgKnBkZXYpCiB7CiAJaW50IHJldHZhbDsKLQlpbnQg cm9tX3NpemUgPSAwOworCWludCByb21fc2l6ZTsKIAlzdHJ1Y3QgYmluX2F0dHJpYnV0ZSAqYXR0 cjsKIAogCWlmICghc3lzZnNfaW5pdGlhbGl6ZWQpCkBAIC0xMzczLDEyICsxMzczLDggQEAgaW50 IF9fbXVzdF9jaGVjayBwY2lfY3JlYXRlX3N5c2ZzX2Rldl9maWxlcyhzdHJ1Y3QgcGNpX2RldiAq cGRldikKIAlpZiAocmV0dmFsKQogCQlnb3RvIGVycl9jb25maWdfZmlsZTsKIAotCWlmIChwY2lf cmVzb3VyY2VfbGVuKHBkZXYsIFBDSV9ST01fUkVTT1VSQ0UpKQotCQlyb21fc2l6ZSA9IHBjaV9y ZXNvdXJjZV9sZW4ocGRldiwgUENJX1JPTV9SRVNPVVJDRSk7Ci0JZWxzZSBpZiAocGRldi0+cmVz b3VyY2VbUENJX1JPTV9SRVNPVVJDRV0uZmxhZ3MgJiBJT1JFU09VUkNFX1JPTV9TSEFET1cpCi0J CXJvbV9zaXplID0gMHgyMDAwMDsKLQogCS8qIElmIHRoZSBkZXZpY2UgaGFzIGEgUk9NLCB0cnkg dG8gZXhwb3NlIGl0IGluIHN5c2ZzLiAqLworCXJvbV9zaXplID0gcGNpX3Jlc291cmNlX2xlbihw ZGV2LCBQQ0lfUk9NX1JFU09VUkNFKTsKIAlpZiAocm9tX3NpemUpIHsKIAkJYXR0ciA9IGt6YWxs b2Moc2l6ZW9mKCphdHRyKSwgR0ZQX0FUT01JQyk7CiAJCWlmICghYXR0cikgewpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK