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Tsirkin" , Eugenio Perez Martin , German Maglione , Liu Jiang , Sergio Lopez Pascual , Stefano Garzarella Subject: [PATCH v3 2/7] vhost-user: tighten "reply_supported" scope in "set_vring_addr" Date: Mon, 2 Oct 2023 22:32:16 +0200 Message-Id: <20231002203221.17241-3-lersek@redhat.com> In-Reply-To: <20231002203221.17241-1-lersek@redhat.com> References: <20231002203221.17241-1-lersek@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Received-SPF: pass client-ip=170.10.129.124; envelope-from=lersek@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org SW4gdGhlIHZob3N0X3VzZXJfc2V0X3ZyaW5nX2FkZHIoKSBmdW5jdGlvbiwgd2UgY2FsY3VsYXRl CiJyZXBseV9zdXBwb3J0ZWQiIHVuY29uZGl0aW9uYWxseSwgZXZlbiB0aG91Z2ggd2UnbGwgb25s eSBuZWVkIGl0IGlmCiJ3YWl0X2Zvcl9yZXBseSIgaXMgYWxzbyB0cnVlLgoKUmVzdHJpY3QgdGhl IHNjb3BlIG9mICJyZXBseV9zdXBwb3J0ZWQiIHRvIHRoZSBtaW5pbXVtLgoKVGhpcyBpcyBwdXJl bHkgcmVmYWN0b3JpbmcgLS0gbm8gb2JzZXJ2YWJsZSBjaGFuZ2UuCgpDYzogIk1pY2hhZWwgUy4g VHNpcmtpbiIgPG1zdEByZWRoYXQuY29tPiAoc3VwcG9ydGVyOnZob3N0KQpDYzogRXVnZW5pbyBQ ZXJleiBNYXJ0aW4gPGVwZXJlem1hQHJlZGhhdC5jb20+CkNjOiBHZXJtYW4gTWFnbGlvbmUgPGdt YWdsaW9uZUByZWRoYXQuY29tPgpDYzogTGl1IEppYW5nIDxnZXJyeUBsaW51eC5hbGliYWJhLmNv bT4KQ2M6IFNlcmdpbyBMb3BleiBQYXNjdWFsIDxzbHBAcmVkaGF0LmNvbT4KQ2M6IFN0ZWZhbm8g R2FyemFyZWxsYSA8c2dhcnphcmVAcmVkaGF0LmNvbT4KU2lnbmVkLW9mZi1ieTogTGFzemxvIEVy c2VrIDxsZXJzZWtAcmVkaGF0LmNvbT4KUmV2aWV3ZWQtYnk6IFN0ZWZhbm8gR2FyemFyZWxsYSA8 c2dhcnphcmVAcmVkaGF0LmNvbT4KVGVzdGVkLWJ5OiBBbGJlcnQgRXN0ZXZlIDxhZXN0ZXZlQHJl ZGhhdC5jb20+ClJldmlld2VkLWJ5OiBQaGlsaXBwZSBNYXRoaWV1LURhdWTDqSA8cGhpbG1kQGxp bmFyby5vcmc+ClJldmlld2VkLWJ5OiBFdWdlbmlvIFDDqXJleiA8ZXBlcmV6bWFAcmVkaGF0LmNv bT4KLS0tCgpOb3RlczoKICAgIHYzOgogICAgCiAgICAtIHBpY2sgdXAgUi1iIGZyb20gUGhpbCBh bmQgRXVnZW5pbywgVC1iIGZyb20gQWxiZXJ0CiAgICAKICAgIHYyOgogICAgCiAgICAtIHBpY2sg dXAgU3RlZmFubydzIFItYgoKIGh3L3ZpcnRpby92aG9zdC11c2VyLmMgfCAxMSArKysrKystLS0t LQogMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9ody92aXJ0aW8vdmhvc3QtdXNlci5jIGIvaHcvdmlydGlvL3Zob3N0LXVzZXIuYwpp bmRleCBiNGI2NzdjMWNlNjYuLjY0ZWFjMzE3YmZiMiAxMDA2NDQKLS0tIGEvaHcvdmlydGlvL3Zo b3N0LXVzZXIuYworKysgYi9ody92aXJ0aW8vdmhvc3QtdXNlci5jCkBAIC0xMzMxLDE3ICsxMzMx LDE4IEBAIHN0YXRpYyBpbnQgdmhvc3RfdXNlcl9zZXRfdnJpbmdfYWRkcihzdHJ1Y3Qgdmhvc3Rf ZGV2ICpkZXYsCiAgICAgICAgIC5oZHIuc2l6ZSA9IHNpemVvZihtc2cucGF5bG9hZC5hZGRyKSwK ICAgICB9OwogCi0gICAgYm9vbCByZXBseV9zdXBwb3J0ZWQgPSB2aXJ0aW9faGFzX2ZlYXR1cmUo ZGV2LT5wcm90b2NvbF9mZWF0dXJlcywKLSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICBWSE9TVF9VU0VSX1BST1RPQ09MX0ZfUkVQTFlfQUNLKTsKLQogICAgIC8q CiAgICAgICogd2FpdCBmb3IgYSByZXBseSBpZiBsb2dnaW5nIGlzIGVuYWJsZWQgdG8gbWFrZSBz dXJlCiAgICAgICogYmFja2VuZCBpcyBhY3R1YWxseSBsb2dnaW5nIGNoYW5nZXMKICAgICAgKi8K ICAgICBib29sIHdhaXRfZm9yX3JlcGx5ID0gYWRkci0+ZmxhZ3MgJiAoMSA8PCBWSE9TVF9WUklO R19GX0xPRyk7CiAKLSAgICBpZiAocmVwbHlfc3VwcG9ydGVkICYmIHdhaXRfZm9yX3JlcGx5KSB7 Ci0gICAgICAgIG1zZy5oZHIuZmxhZ3MgfD0gVkhPU1RfVVNFUl9ORUVEX1JFUExZX01BU0s7Cisg ICAgaWYgKHdhaXRfZm9yX3JlcGx5KSB7CisgICAgICAgIGJvb2wgcmVwbHlfc3VwcG9ydGVkID0g dmlydGlvX2hhc19mZWF0dXJlKGRldi0+cHJvdG9jb2xfZmVhdHVyZXMsCisgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBWSE9TVF9VU0VSX1BST1RPQ09MX0ZfUkVQTFlf QUNLKTsKKyAgICAgICAgaWYgKHJlcGx5X3N1cHBvcnRlZCkgeworICAgICAgICAgICAgbXNnLmhk ci5mbGFncyB8PSBWSE9TVF9VU0VSX05FRURfUkVQTFlfTUFTSzsKKyAgICAgICAgfQogICAgIH0K IAogICAgIHJldCA9IHZob3N0X3VzZXJfd3JpdGUoZGV2LCAmbXNnLCBOVUxMLCAwKTsKCg==