From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 160/167] drm/i915/userptr: Acquire the page lock around set_page_dirty() Date: Tue, 3 Sep 2019 12:25:12 -0400 Message-ID: <20190903162519.7136-160-sashal@kernel.org> References: <20190903162519.7136-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190903162519.7136-1-sashal@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin , Tvrtko Ursulin , Jani Nikula , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+CgpbIFVwc3RyZWFt IGNvbW1pdCBhYTU2YTI5MmNlNjIzNzM0ZGRkMzBmNTJkNzNmNTI3ZDFmMzUyOWI1IF0KCnNldF9w YWdlX2RpcnR5IHNheXM6CgoJRm9yIHBhZ2VzIHdpdGggYSBtYXBwaW5nIHRoaXMgc2hvdWxkIGJl IGRvbmUgdW5kZXIgdGhlIHBhZ2UgbG9jawoJZm9yIHRoZSBiZW5lZml0IG9mIGFzeW5jaHJvbm91 cyBtZW1vcnkgZXJyb3JzIHdobyBwcmVmZXIgYQoJY29uc2lzdGVudCBkaXJ0eSBzdGF0ZS4gVGhp cyBydWxlIGNhbiBiZSBicm9rZW4gaW4gc29tZSBzcGVjaWFsCgljYXNlcywgYnV0IHNob3VsZCBi ZSBiZXR0ZXIgbm90IHRvLgoKVW5kZXIgdGhvc2UgcnVsZXMsIGl0IGlzIG9ubHkgc2FmZSBmb3Ig dXMgdG8gdXNlIHRoZSBwbGFpbiBzZXRfcGFnZV9kaXJ0eQpjYWxscyBmb3Igc2htZW1mcy9hbm9u eW1vdXMgbWVtb3J5LiBVc2VycHRyIG1heSBiZSB1c2VkIHdpdGggcmVhbAptYXBwaW5ncyBhbmQg c28gbmVlZHMgdG8gdXNlIHRoZSBsb2NrZWQgdmVyc2lvbiAoc2V0X3BhZ2VfZGlydHlfbG9jayku CgpCdWd6aWxsYTogaHR0cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNnaT9pZD0y MDMzMTcKRml4ZXM6IDVjYzllZDRiOWE3YSAoImRybS9pOTE1OiBJbnRyb2R1Y2UgbWFwcGluZyBv ZiB1c2VyIHBhZ2VzIGludG8gdmlkZW8gbWVtb3J5ICh1c2VycHRyKSBpb2N0bCIpClJlZmVyZW5j ZXM6IDZkY2M2OTNiYzU3ZiAoImV4dDQ6IHdhcm4gd2hlbiBwYWdlIGlzIGRpcnRpZWQgd2l0aG91 dCBidWZmZXJzIikKU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+CkNjOiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgpD Yzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwpSZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4gPHR2 cnRrby51cnN1bGluQGludGVsLmNvbT4KTGluazogaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0 b3Aub3JnL3BhdGNoL21zZ2lkLzIwMTkwNzA4MTQwMzI3LjI2ODI1LTEtY2hyaXNAY2hyaXMtd2ls c29uLmNvLnVrCihjaGVycnkgcGlja2VkIGZyb20gY29tbWl0IGNiNmQ3YzdkYzdmZjhjYWNlNjY2 ZGRlYzY2MzM0MTE3YTYwNjhjZTIpClNpZ25lZC1vZmYtYnk6IEphbmkgTmlrdWxhIDxqYW5pLm5p a3VsYUBpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IFNhc2hhIExldmluIDxzYXNoYWxAa2VybmVs Lm9yZz4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV91c2VycHRyLmMgfCAxMCAr KysrKysrKystCiAxIGZpbGUgY2hhbmdlZCwgOSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0p CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fdXNlcnB0ci5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fdXNlcnB0ci5jCmluZGV4IDJjOWIyODQwMzZk MTAuLmUxM2VhMmVjZDY2OWMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf Z2VtX3VzZXJwdHIuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV91c2VycHRy LmMKQEAgLTY5Miw3ICs2OTIsMTUgQEAgaTkxNV9nZW1fdXNlcnB0cl9wdXRfcGFnZXMoc3RydWN0 IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKIAogCWZvcl9lYWNoX3NndF9wYWdlKHBhZ2UsIHNn dF9pdGVyLCBwYWdlcykgewogCQlpZiAob2JqLT5tbS5kaXJ0eSkKLQkJCXNldF9wYWdlX2RpcnR5 KHBhZ2UpOworCQkJLyoKKwkJCSAqIEFzIHRoaXMgbWF5IG5vdCBiZSBhbm9ueW1vdXMgbWVtb3J5 IChlLmcuIHNobWVtKQorCQkJICogYnV0IGV4aXN0IG9uIGEgcmVhbCBtYXBwaW5nLCB3ZSBoYXZl IHRvIGxvY2sKKwkJCSAqIHRoZSBwYWdlIGluIG9yZGVyIHRvIGRpcnR5IGl0IC0tIGhvbGRpbmcK KwkJCSAqIHRoZSBwYWdlIHJlZmVyZW5jZSBpcyBub3Qgc3VmZmljaWVudCB0bworCQkJICogcHJl dmVudCB0aGUgaW5vZGUgZnJvbSBiZWluZyB0cnVuY2F0ZWQuCisJCQkgKiBQbGF5IHNhZmUgYW5k IHRha2UgdGhlIGxvY2suCisJCQkgKi8KKwkJCXNldF9wYWdlX2RpcnR5X2xvY2socGFnZSk7CiAK IAkJbWFya19wYWdlX2FjY2Vzc2VkKHBhZ2UpOwogCQlwdXRfcGFnZShwYWdlKTsKLS0gCjIuMjAu MQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRl dmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs