From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH] drm/i915: Convert WARNs during userptr revoke to SIGBUS Date: Wed, 23 Sep 2015 21:07:24 +0100 Message-ID: <1443038844-29873-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id D43726E615 for ; Wed, 23 Sep 2015 13:07:44 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SWYgdGhlIGNsaWVudCByZXZva2VzIHRoZSB2aXJ0dWFsIGFkZHJlc3MgaXQgYXNrZWQgdG8gYmUg bWFwcGVkIGludG8gR1BVCnNwYWNlIHZpYSB1c2VycHRyIChieSB1c2luZyBhbnl0aGluZyBhbG9u ZyB0aGUgbGluZXMgb2YgbW1hcCwgbXByb3RlY3QsCm1hZHZpc2UsIG11bm1hcCwgZnRydW5jYXRl IGV0YykgdGhlIG1tdSBub3RpZmllciBzZW5kcyBhIHJhbmdlCmludmFsaWRhdGUgY29tbWFuZCB0 byB1c2VycHRyLiBVcG9uIHJlY2VpdmluZyB0aGUgaW52YWxpZGF0aW9uIHNpZ25hbApmb3IgdGhl IHJldm9rZWQgcmFuZ2UsIHdlIHRyeSB0byByZWxlYXNlIHRoZSBzdHJ1Y3QgcGFnZXMgd2UgcGlu bmVkIGludG8KdGhlIEdUVC4gSG93ZXZlciwgdGhpcyBjYW4gZmFpbCBpZiBhbnkgb2YgdGhlIEdQ VSdzIFZNQSBhcmUgcGlubmVkIGZvcgp1c2UgYnkgdGhlIGhhcmR3YXJlIChpLmUuIGRlc3BpdGUg dGhlIHVzZXIncyBpbnRlbnRpb24gd2UgY2Fubm90CnJlbGlucXVpc2ggdGhlIGNsaWVudCdzIGFk ZHJlc3MgcmFuZ2UgYW5kIGtlZXAgdXB0b2RhdGUgd2l0aCB3aGF0ZXZlciBpcwpwbGFjZWQgaW4g dGhlcmUpLiBDdXJyZW50bHkgd2UgZW1pdCBhIGZldyBXQVJOIHNvIHRoYXQgd2Ugd291bGQgbm90 aWNlCmlmIHRoaXMgZXZlcnkgb2NjdXJyZWQgaW4gdGhlIHdpbGQ7IGl0IGhhcy4gU2FkbHkgdGhp cyBtZWFucyB3ZSBuZWVkIHRvCnJlcGxhY2UgdGhvc2UgV0FSTnMgd2l0aCB0aGUgcHJvcGVyIFNJ R0JVUyB0byB0aGUgb2ZmZW5kaW5nIGNsaWVudHMKaW5zdGVhZC4KClNpZ25lZC1vZmYtYnk6IENo cmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgpDYzogVHZydGtvIFVyc3VsaW4g PHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KQ2M6IE1pY2hhxYIgV2luaWFyc2tpIDxtaWNoYWwu d2luaWFyc2tpQGludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV91 c2VycHRyLmMgfCA0MSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0KIDEgZmlsZSBj aGFuZ2VkLCAzNyBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3VzZXJwdHIuYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtX3VzZXJwdHIuYwppbmRleCBmNzVkOTAxMTg4ODguLmVmYjQwNGI5ZmU2OSAx MDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fdXNlcnB0ci5jCisrKyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3VzZXJwdHIuYwpAQCAtODEsMTEgKzgxLDQ0 IEBAIHN0YXRpYyB2b2lkIF9fY2FuY2VsX3VzZXJwdHJfX3dvcmtlcihzdHJ1Y3Qgd29ya19zdHJ1 Y3QgKndvcmspCiAJCXdhc19pbnRlcnJ1cHRpYmxlID0gZGV2X3ByaXYtPm1tLmludGVycnVwdGli bGU7CiAJCWRldl9wcml2LT5tbS5pbnRlcnJ1cHRpYmxlID0gZmFsc2U7CiAKLQkJbGlzdF9mb3Jf ZWFjaF9lbnRyeV9zYWZlKHZtYSwgdG1wLCAmb2JqLT52bWFfbGlzdCwgb2JqX2xpbmspIHsKLQkJ CWludCByZXQgPSBpOTE1X3ZtYV91bmJpbmQodm1hKTsKLQkJCVdBUk5fT04ocmV0ICYmIHJldCAh PSAtRUlPKTsKKwkJbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZlKHZtYSwgdG1wLCAmb2JqLT52bWFf bGlzdCwgb2JqX2xpbmspCisJCQlpOTE1X3ZtYV91bmJpbmQodm1hKTsKKwkJaWYgKGk5MTVfZ2Vt X29iamVjdF9wdXRfcGFnZXMob2JqKSkgeworCQkJc3RydWN0IHRhc2tfc3RydWN0ICpwOworCisJ CQlEUk1fRVJST1IoIlVuYWJsZSB0byByZXZva2Ugb3duZXJzaGlwIGJ5IHVzZXJwdHIgb2YiCisJ CQkJICAiIGludmFsaWRhdGVkIGFkZHJlc3MgcmFuZ2UsIHNlbmRpbmcgU0lHQlVTIgorCQkJCSAg IiB0byBhdHRhY2hlZCBjbGllbnRzLlxuIik7CisKKwkJCXJjdV9yZWFkX2xvY2soKTsKKwkJCWZv cl9lYWNoX3Byb2Nlc3MocCkgeworCQkJCXNpZ2luZm9fdCBpbmZvOworCisJCQkJLyogVGhpcyBk b2Vzbid0IGNhcHR1cmUgZXZlcnlvbmUgd2hvIGhhcworCQkJCSAqIHRoZSBwYWdlcyBwaW5uZWQg YmVoaW5kIGEgVk1BIGFzIHdlCisJCQkJICogZG8gbm90IGhhdmUgdGhhdCB0cmFja2luZyBpbmZv cm1hdGlvbgorCQkJCSAqIGF2YWlsYWJsZSwgaXQgZG9lcyBob3dldmVyIGtpbGwgdGhlCisJCQkJ ICogb3JpZ2luYWwgcHJvY2VzcyAoYW5kIHNpYmxpbmdzKSB3aG8KKwkJCQkgKiBjcmVhdGVkIHRo ZSB1c2VycHRyIGFuZCBwcmVzdW1hYmx5IHRyaWVkCisJCQkJICogdG8gcmV1c2UgdGhlIGFkZHJl c3Mgc3BhY2UgZGVzcGl0ZSBoYXZpbmcKKwkJCQkgKiBwaW5uZWQgaXQgKHBvc3NpYmx5IGluZGly ZWN0bHkpIHRvIHRoZSBody4KKwkJCQkgKiBBcmd1YWJseSwgd2UgZG9uJ3QgZXZlbiB3YW50IHRv IGtpbGwgdGhlCisJCQkJICogb3RoZXIgcHJvY2Vzc2VzIGFzIHRoZXkgYXJlIG5vdCBhdCBmYXVs dCwKKwkJCQkgKiBsaWtlbHkgdG8gYmUgYSBkaXNwbGF5IHNlcnZlciwgYW5kIGhvcGVmdWxseQor CQkJCSAqIHdpbGwgcmVsZWFzZSB0aGUgcGFnZXMgaW4gZHVlIGNvdXJzZSBvbmNlCisJCQkJICog dGhlIGNsaWVudCBpcyBkZWFkLgorCQkJCSAqLworCQkJCWlmIChwLT5tbSAhPSBvYmotPnVzZXJw dHIubW0tPm1tKQorCQkJCQljb250aW51ZTsKKworCQkJCWluZm8uc2lfc2lnbm8gPSBTSUdCVVM7 CisJCQkJaW5mby5zaV9lcnJubyA9IDA7CisJCQkJaW5mby5zaV9jb2RlID0gQlVTX0FEUkVSUjsK KwkJCQlpbmZvLnNpX2FkZHIgPSAodm9pZCBfX3VzZXIgKilvYmotPnVzZXJwdHIucHRyOworCQkJ CWZvcmNlX3NpZ19pbmZvKFNJR0JVUywgJmluZm8sIHApOworCQkJfQorCQkJcmN1X3JlYWRfdW5s b2NrKCk7CiAJCX0KLQkJV0FSTl9PTihpOTE1X2dlbV9vYmplY3RfcHV0X3BhZ2VzKG9iaikpOwog CiAJCWRldl9wcml2LT5tbS5pbnRlcnJ1cHRpYmxlID0gd2FzX2ludGVycnVwdGlibGU7CiAJfQot LSAKMi41LjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==