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[123.204.46.122]) by smtp.gmail.com with ESMTPSA id l18sm3319167pfe.96.2020.02.11.01.03.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2020 01:03:29 -0800 (PST) From: Daniel Drake To: dwmw2@infradead.org, baolu.lu@linux.intel.com, joro@8bytes.org Subject: [PATCH] iommu/dmar: ignore devices with out-of-spec domain number Date: Tue, 11 Feb 2020 17:03:25 +0800 Message-Id: <20200211090325.11423-1-drake@endlessm.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Cc: iommu@lists.linux-foundation.org, linux@endlessm.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Vk1EIHN1YmRldmljZXMgYXJlIGNyZWF0ZWQgd2l0aCBhIFBDSSBkb21haW4gSUQgb2YgMHgxMDAw MCBvcgpoaWdoZXIuCgpUaGVzZSBzdWJkZXZpY2VzIGFyZSBhbHNvIGhhbmRsZWQgbGlrZSBhbGwg b3RoZXIgUENJIGRldmljZXMgYnkKZG1hcl9wY2lfYnVzX25vdGlmaWVyKCkuCgpIb3dldmVyLCB3 aGVuIGRtYXJfYWxsb2NfcGNpX25vdGlmeV9pbmZvKCkgdGFrZSByZWNvcmRzIG9mIHN1Y2ggZGV2 aWNlcywKaXQgd2lsbCB0cnVuY2F0ZSB0aGUgZG9tYWluIElEIHRvIGEgdTE2IHZhbHVlIChpbiBp bmZvLT5zZWcpLgpUaGUgZGV2aWNlIGF0IChlLmcuKSAxMDAwMDowMDowMi4wIGlzIHRoZW4gdHJl YXRlZCBieSB0aGUgRE1BUiBjb2RlIGFzIGlmCml0IGlzIDAwMDA6MDA6MDIuMC4KCkluIHRoZSB1 bmx1Y2t5IGV2ZW50IHRoYXQgYSByZWFsIGRldmljZSBhbHNvIGV4aXN0cyBhdCAwMDAwOjAwOjAy LjAgYW5kCmFsc28gaGFzIGEgZGV2aWNlLXNwZWNpZmljIGVudHJ5IGluIHRoZSBETUFSIHRhYmxl LApkbWFyX2luc2VydF9kZXZfc2NvcGUoKSB3aWxsIGNyYXNoIG9uOgogwqAgQlVHX09OKGkgPj0g ZGV2aWNlc19jbnQpOwoKVGhhdCdzIGJhc2ljYWxseSBhIHNhbml0eSBjaGVjayB0aGF0IG9ubHkg b25lIFBDSSBkZXZpY2UgbWF0Y2hlcyBhCnNpbmdsZSBETUFSIGVudHJ5OyBpbiB0aGlzIGNhc2Ug d2Ugc2VlbSB0byBoYXZlIHR3byBtYXRjaGluZyBkZXZpY2VzLgoKRml4IHRoaXMgYnkgaWdub3Jp bmcgZGV2aWNlcyB0aGF0IGhhdmUgYSBkb21haW4gbnVtYmVyIGhpZ2hlciB0aGFuCndoYXQgY2Fu IGJlIGxvb2tlZCB1cCBpbiB0aGUgRE1BUiB0YWJsZS4KClRoaXMgcHJvYmxlbSB3YXMgY2FyZWZ1 bGx5IGRpYWdub3NlZCBieSBKaWFuLUhvbmcgUGFuLgoKU2lnbmVkLW9mZi1ieTogRGFuaWVsIERy YWtlIDxkcmFrZUBlbmRsZXNzbS5jb20+Ci0tLQoKTm90ZXM6CiAgICBUaGlzIHByb2JsZW0gd2Fz IGRldGVjdGVkIHdpdGggYSBub24tdXBzdHJlYW0gcGF0Y2gKICAgICJQQ0k6IEFkZCBJbnRlbCBy ZW1hcHBlZCBOVk1lIGRldmljZSBzdXBwb3J0IgogICAgKGh0dHBzOi8vbWFyYy5pbmZvLz9sPWxp bnV4LWlkZSZtPTE1NjAxNTI3MTAyMTYxNSZ3PTIpCiAgICAKICAgIFRoaXMgcGF0Y2ggY3JlYXRl cyBQQ0kgZGV2aWNlcyBpbiB0aGUgc2FtZSB3YXkgYXMgVk1ELCBhbmQgaGVuY2UKICAgIEkgYmVs aWV2ZSBWTUQgd291bGQgaGl0IHRoZSBzYW1lIHByb2JsZW0gdGhhdCB3ZSBlbmNvdW50ZXJlZCBo ZXJlLCB3aGVuCiAgICBhIFZNRC11c2luZyBwcm9kdWN0IGNvbWVzIGFsb25nIHRoYXQgbWVldHMg dGhlIG1lbnRpb25lZCBjb25kaXRpb25zLgogICAgCiAgICBIb3dldmVyIHRoaXMgaGFzbid0IGFj dHVhbGx5IGJlZW4gdGVzdGVkIG9uIFZNRCAoZG9uJ3QgaGF2ZSB0aGUgaGFyZHdhcmUpCiAgICBz byBpZiBJJ3ZlIG1pc3NlZCBhbnl0aGluZyBhbmQvb3IgaXQncyBub3QgYSByZWFsIGlzc3VlIHRo ZW4gZmVlbCBmcmVlIHRvCiAgICBkcm9wIHRoaXMgcGF0Y2guCgogZHJpdmVycy9pb21tdS9kbWFy LmMgfCA4ICsrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspCgpkaWZmIC0t Z2l0IGEvZHJpdmVycy9pb21tdS9kbWFyLmMgYi9kcml2ZXJzL2lvbW11L2RtYXIuYwppbmRleCAw NzFiYjQyYmJiYzUuLjhmOTRjODE3YTdiNSAxMDA2NDQKLS0tIGEvZHJpdmVycy9pb21tdS9kbWFy LmMKKysrIGIvZHJpdmVycy9pb21tdS9kbWFyLmMKQEAgLTI4LDYgKzI4LDcgQEAKICNpbmNsdWRl IDxsaW51eC9zbGFiLmg+CiAjaW5jbHVkZSA8bGludXgvaW9tbXUuaD4KICNpbmNsdWRlIDxsaW51 eC9udW1hLmg+CisjaW5jbHVkZSA8bGludXgvbGltaXRzLmg+CiAjaW5jbHVkZSA8YXNtL2lycV9y ZW1hcHBpbmcuaD4KICNpbmNsdWRlIDxhc20vaW9tbXVfdGFibGUuaD4KIApAQCAtMTI4LDYgKzEy OSwxMyBAQCBkbWFyX2FsbG9jX3BjaV9ub3RpZnlfaW5mbyhzdHJ1Y3QgcGNpX2RldiAqZGV2LCB1 bnNpZ25lZCBsb25nIGV2ZW50KQogCiAJQlVHX09OKGRldi0+aXNfdmlydGZuKTsKIAorCS8qCisJ ICogSWdub3JlIGRldmljZXMgdGhhdCBoYXZlIGEgZG9tYWluIG51bWJlciBoaWdoZXIgdGhhbiB3 aGF0IGNhbgorCSAqIGJlIGxvb2tlZCB1cCBpbiBETUFSLCBlLmcuIFZNRCBzdWJkZXZpY2VzIHdp dGggZG9tYWluIDB4MTAwMDAKKwkgKi8KKwlpZiAocGNpX2RvbWFpbl9ucihkZXYtPmJ1cykgPiBV MTZfTUFYKQorCQlyZXR1cm4gTlVMTDsKKwogCS8qIE9ubHkgZ2VuZXJhdGUgcGF0aFtdIGZvciBk ZXZpY2UgYWRkaXRpb24gZXZlbnQgKi8KIAlpZiAoZXZlbnQgPT0gQlVTX05PVElGWV9BRERfREVW SUNFKQogCQlmb3IgKHRtcCA9IGRldjsgdG1wOyB0bXAgPSB0bXAtPmJ1cy0+c2VsZikKLS0gCjIu MjAuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9t bXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8v bGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11