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Wed, 21 Oct 2020 01:57:17 -0700 (PDT) From: Daniel Vetter To: DRI Development , LKML Subject: [PATCH v3 11/16] vfio/type1: Mark follow_pfn as unsafe Date: Wed, 21 Oct 2020 10:56:50 +0200 Message-Id: <20201021085655.1192025-12-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201021085655.1192025-1-daniel.vetter@ffwll.ch> References: <20201021085655.1192025-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Jan Kara , Kees Cook , kvm@vger.kernel.org, Jason Gunthorpe , Daniel Vetter , Cornelia Huck , Alex Williamson , linux-mm@kvack.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , John Hubbard , Daniel Vetter , Dan Williams , Daniel Vetter , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" VGhlIGNvZGUgc2VlbXMgdG8gc3R1ZmYgdGhlc2UgcGZucyBpbnRvIGlvbW11IHB0cyAob3Igc29t ZXRoaW5nIGxpa2UKdGhhdCwgSSBkaWRuJ3QgZm9sbG93KSwgYnV0IHRoZXJlJ3Mgbm8gbW11X25v dGlmaWVyIHRvIGVuc3VyZSB0aGF0CmFjY2VzcyBpcyBzeW5jaHJvbml6ZWQgd2l0aCBwdGUgdXBk YXRlcy4KCkhlbmNlIG1hcmsgdGhlc2UgYXMgdW5zYWZlLiBUaGlzIG1lYW5zIHRoYXQgd2l0aApD T05GSUdfU1RSSUNUX0ZPTExPV19QRk4sIHRoZXNlIHdpbGwgYmUgcmVqZWN0ZWQuCgpSZWFsIGZp eCBpcyB0byB3aXJlIHVwIGFuIG1tdV9ub3RpZmllciAuLi4gc29tZWhvdy4gUHJvYmFibHkgbWVh bnMgYW55CmludmFsaWRhdGUgaXMgYSBmYXRhbCBmYXVsdCBmb3IgdGhpcyB2ZmlvIGRldmljZSwg YnV0IHRoZW4gdGhpcwpzaG91bGRuJ3QgZXZlciBoYXBwZW4gaWYgdXNlcnNwYWNlIGlzIHJlYXNv bmFibGUuCgpTaWduZWQtb2ZmLWJ5OiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGludGVs LmNvbT4KQ2M6IEphc29uIEd1bnRob3JwZSA8amdnQHppZXBlLmNhPgpDYzogS2VlcyBDb29rIDxr ZWVzY29va0BjaHJvbWl1bS5vcmc+CkNjOiBEYW4gV2lsbGlhbXMgPGRhbi5qLndpbGxpYW1zQGlu dGVsLmNvbT4KQ2M6IEFuZHJldyBNb3J0b24gPGFrcG1AbGludXgtZm91bmRhdGlvbi5vcmc+CkNj OiBKb2huIEh1YmJhcmQgPGpodWJiYXJkQG52aWRpYS5jb20+CkNjOiBKw6lyw7RtZSBHbGlzc2Ug PGpnbGlzc2VAcmVkaGF0LmNvbT4KQ2M6IEphbiBLYXJhIDxqYWNrQHN1c2UuY3o+CkNjOiBEYW4g V2lsbGlhbXMgPGRhbi5qLndpbGxpYW1zQGludGVsLmNvbT4KQ2M6IGxpbnV4LW1tQGt2YWNrLm9y ZwpDYzogbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCkNjOiBsaW51eC1zYW1z dW5nLXNvY0B2Z2VyLmtlcm5lbC5vcmcKQ2M6IGxpbnV4LW1lZGlhQHZnZXIua2VybmVsLm9yZwpD YzogQWxleCBXaWxsaWFtc29uIDxhbGV4LndpbGxpYW1zb25AcmVkaGF0LmNvbT4KQ2M6IENvcm5l bGlhIEh1Y2sgPGNvaHVja0ByZWRoYXQuY29tPgpDYzoga3ZtQHZnZXIua2VybmVsLm9yZwpTaWdu ZWQtb2ZmLWJ5OiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNvbT4KLS0tCiBk cml2ZXJzL3ZmaW8vdmZpb19pb21tdV90eXBlMS5jIHwgNCArKy0tCiAxIGZpbGUgY2hhbmdlZCwg MiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmZp by92ZmlvX2lvbW11X3R5cGUxLmMgYi9kcml2ZXJzL3ZmaW8vdmZpb19pb21tdV90eXBlMS5jCmlu ZGV4IDVmYmYwYzFmNzQzMy4uYTRkNTNmM2QwYTM1IDEwMDY0NAotLS0gYS9kcml2ZXJzL3ZmaW8v dmZpb19pb21tdV90eXBlMS5jCisrKyBiL2RyaXZlcnMvdmZpby92ZmlvX2lvbW11X3R5cGUxLmMK QEAgLTQyMSw3ICs0MjEsNyBAQCBzdGF0aWMgaW50IGZvbGxvd19mYXVsdF9wZm4oc3RydWN0IHZt X2FyZWFfc3RydWN0ICp2bWEsIHN0cnVjdCBtbV9zdHJ1Y3QgKm1tLAogewogCWludCByZXQ7CiAK LQlyZXQgPSBmb2xsb3dfcGZuKHZtYSwgdmFkZHIsIHBmbik7CisJcmV0ID0gdW5zYWZlX2ZvbGxv d19wZm4odm1hLCB2YWRkciwgcGZuKTsKIAlpZiAocmV0KSB7CiAJCWJvb2wgdW5sb2NrZWQgPSBm YWxzZTsKIApAQCAtNDM1LDcgKzQzNSw3IEBAIHN0YXRpYyBpbnQgZm9sbG93X2ZhdWx0X3Bmbihz dHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSwgc3RydWN0IG1tX3N0cnVjdCAqbW0sCiAJCWlmIChy ZXQpCiAJCQlyZXR1cm4gcmV0OwogCi0JCXJldCA9IGZvbGxvd19wZm4odm1hLCB2YWRkciwgcGZu KTsKKwkJcmV0ID0gdW5zYWZlX2ZvbGxvd19wZm4odm1hLCB2YWRkciwgcGZuKTsKIAl9CiAKIAly ZXR1cm4gcmV0OwotLSAKMi4yOC4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9kcmktZGV2ZWwK