From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: [PATCH v2 2/2] drm/i915: Handle vm_mmap error during I915_GEM_MMAP ioctl with WC set Date: Tue, 29 Jan 2019 18:12:37 +0200 Message-ID: <20190129161237.30295-2-joonas.lahtinen@linux.intel.com> References: <20190129161237.30295-1-joonas.lahtinen@linux.intel.com> 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 486506E82D for ; Tue, 29 Jan 2019 16:12:49 +0000 (UTC) In-Reply-To: <20190129161237.30295-1-joonas.lahtinen@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Intel graphics driver community testing & development List-Id: intel-gfx@lists.freedesktop.org QWRkIGVyciBnb3RvIGxhYmVsIGFuZCB1c2UgaXQgd2hlbiBWTUEgY2FuJ3QgYmUgZXN0YWJsaXNo ZWQgb3IgY2hhbmdlcwp1bmRlcm5lYXRoLgoKdjI6Ci0gRHJvcHBpbmcgRml4ZXM6IGFzIGl0J3Mg aW5kZWVkIGltcG9zc2libGUgdG8gcmFjZSBhbiBvYmplY3QgdG8gdGhlCiAgZXJyb3IgYWRkcmVz cy4gKENocmlzKQoKUmVwb3J0ZWQtYnk6IEFkYW0gWmFicm9ja2kgPGFkYW16YUBtaWNyb3NvZnQu Y29tPgpTaWduZWQtb2ZmLWJ5OiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51 eC5pbnRlbC5jb20+CkNjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4K Q2M6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBsaW51eC5pbnRlbC5jb20+CkNjOiBB ZGFtIFphYnJvY2tpIDxhZGFtemFAbWljcm9zb2Z0LmNvbT4KUmV2aWV3ZWQtYnk6IFR2cnRrbyBV cnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9nZW0uYyB8IDEyICsrKysrKysrKystLQogMSBmaWxlIGNoYW5nZWQsIDEwIGluc2Vy dGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKaW5kZXggN2Nh NzhjMDZiMjJjLi5mMjkzM2E4YTUwNmQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZ2VtLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwpAQCAtMTc0 MCw2ICsxNzQwLDkgQEAgaTkxNV9nZW1fbW1hcF9pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2 LCB2b2lkICpkYXRhLAogCWFkZHIgPSB2bV9tbWFwKG9iai0+YmFzZS5maWxwLCAwLCBhcmdzLT5z aXplLAogCQkgICAgICAgUFJPVF9SRUFEIHwgUFJPVF9XUklURSwgTUFQX1NIQVJFRCwKIAkJICAg ICAgIGFyZ3MtPm9mZnNldCk7CisJaWYgKElTX0VSUigodm9pZCAqKWFkZHIpKQorCQlnb3RvIGVy cjsKKwogCWlmIChhcmdzLT5mbGFncyAmIEk5MTVfTU1BUF9XQykgewogCQlzdHJ1Y3QgbW1fc3Ry dWN0ICptbSA9IGN1cnJlbnQtPm1tOwogCQlzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYTsKQEAg LTE3NTUsMTcgKzE3NTgsMjIgQEAgaTkxNV9nZW1fbW1hcF9pb2N0bChzdHJ1Y3QgZHJtX2Rldmlj ZSAqZGV2LCB2b2lkICpkYXRhLAogCQllbHNlCiAJCQlhZGRyID0gLUVOT01FTTsKIAkJdXBfd3Jp dGUoJm1tLT5tbWFwX3NlbSk7CisJCWlmIChJU19FUlIoKHZvaWQgKilhZGRyKSkKKwkJCWdvdG8g ZXJyOwogCiAJCS8qIFRoaXMgbWF5IHJhY2UsIGJ1dCB0aGF0J3Mgb2ssIGl0IG9ubHkgZ2V0cyBz ZXQgKi8KIAkJV1JJVEVfT05DRShvYmotPmZyb250YnVmZmVyX2dndHRfb3JpZ2luLCBPUklHSU5f Q1BVKTsKIAl9CiAJaTkxNV9nZW1fb2JqZWN0X3B1dChvYmopOwotCWlmIChJU19FUlIoKHZvaWQg KilhZGRyKSkKLQkJcmV0dXJuIGFkZHI7CiAKIAlhcmdzLT5hZGRyX3B0ciA9ICh1NjQpYWRkcjsK IAogCXJldHVybiAwOworCitlcnI6CisJaTkxNV9nZW1fb2JqZWN0X3B1dChvYmopOworCisJcmV0 dXJuIGFkZHI7CiB9CiAKIHN0YXRpYyB1bnNpZ25lZCBpbnQgdGlsZV9yb3dfcGFnZXMoY29uc3Qg c3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaikKLS0gCjIuMTcuMgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==