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Tue, 18 Feb 2020 18:22:27 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH] memory: batch allocate ioeventfds[] in address_space_update_ioeventfds() Date: Tue, 18 Feb 2020 18:22:26 +0000 Message-Id: <20200218182226.913977-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: s-h_4HsHOIiZXszZvt1Isw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: base64 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" UmVhbGxvY2luZyB0aGUgaW9ldmVudGZkc1tdIGFycmF5IGVhY2ggdGltZSBhbiBlbGVtZW50IGlz IGFkZGVkIGlzIHZlcnkKZXhwZW5zaXZlIGFzIHRoZSBudW1iZXIgb2YgaW9ldmVudGZkcyBpbmNy ZWFzZXMuICBCYXRjaCBhbGxvY2F0ZSBpbnN0ZWFkCnRvIGFtb3J0aXplIHRoZSBjb3N0IG9mIHJl YWxsb2MuCgpUaGlzIHBhdGNoIHJlZHVjZXMgTGludXggZ3Vlc3QgYm9vdCB0aW1lcyBmcm9tIDM2 MnMgdG8gMTQwcyB3aGVuIHRoZXJlCmFyZSAyIHZpcnRpby1ibGsgZGV2aWNlcyB3aXRoIDEgdmly dHF1ZXVlIGFuZCA5OSB2aXJ0aW8tYmxrIGRldmljZXMgd2l0aAozMiB2aXJ0cXVldWVzLgoKU2ln bmVkLW9mZi1ieTogU3RlZmFuIEhham5vY3ppIDxzdGVmYW5oYUByZWRoYXQuY29tPgotLS0KIG1l bW9yeS5jIHwgMTcgKysrKysrKysrKysrKystLS0KIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRp b25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL21lbW9yeS5jIGIvbWVtb3J5LmMK aW5kZXggYWVhYThkY2M5ZS4uMmQ2ZjkzMWY4YyAxMDA2NDQKLS0tIGEvbWVtb3J5LmMKKysrIGIv bWVtb3J5LmMKQEAgLTc5NCwxMCArNzk0LDE4IEBAIHN0YXRpYyB2b2lkIGFkZHJlc3Nfc3BhY2Vf dXBkYXRlX2lvZXZlbnRmZHMoQWRkcmVzc1NwYWNlICphcykKICAgICBGbGF0VmlldyAqdmlldzsK ICAgICBGbGF0UmFuZ2UgKmZyOwogICAgIHVuc2lnbmVkIGlvZXZlbnRmZF9uYiA9IDA7Ci0gICAg TWVtb3J5UmVnaW9uSW9ldmVudGZkICppb2V2ZW50ZmRzID0gTlVMTDsKKyAgICB1bnNpZ25lZCBp b2V2ZW50ZmRfbWF4OworICAgIE1lbW9yeVJlZ2lvbklvZXZlbnRmZCAqaW9ldmVudGZkczsKICAg ICBBZGRyUmFuZ2UgdG1wOwogICAgIHVuc2lnbmVkIGk7CiAKKyAgICAvKgorICAgICAqIEl0IGlz IGxpa2VseSB0aGF0IHRoZSBudW1iZXIgb2YgaW9ldmVudGZkcyBoYXNuJ3QgY2hhbmdlZCBtdWNo LCBzbyB1c2UKKyAgICAgKiB0aGUgcHJldmlvdXMgc2l6ZSBhcyB0aGUgc3RhcnRpbmcgdmFsdWUu CisgICAgICovCisgICAgaW9ldmVudGZkX21heCA9IGFzLT5pb2V2ZW50ZmRfbmI7CisgICAgaW9l dmVudGZkcyA9IGdfbmV3KE1lbW9yeVJlZ2lvbklvZXZlbnRmZCwgaW9ldmVudGZkX21heCk7CisK ICAgICB2aWV3ID0gYWRkcmVzc19zcGFjZV9nZXRfZmxhdHZpZXcoYXMpOwogICAgIEZPUl9FQUNI X0ZMQVRfUkFOR0UoZnIsIHZpZXcpIHsKICAgICAgICAgZm9yIChpID0gMDsgaSA8IGZyLT5tci0+ aW9ldmVudGZkX25iOyArK2kpIHsKQEAgLTgwNiw4ICs4MTQsMTEgQEAgc3RhdGljIHZvaWQgYWRk cmVzc19zcGFjZV91cGRhdGVfaW9ldmVudGZkcyhBZGRyZXNzU3BhY2UgKmFzKQogICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50MTI4X21ha2U2NChmci0+b2Zm c2V0X2luX3JlZ2lvbikpKTsKICAgICAgICAgICAgIGlmIChhZGRycmFuZ2VfaW50ZXJzZWN0cyhm ci0+YWRkciwgdG1wKSkgewogICAgICAgICAgICAgICAgICsraW9ldmVudGZkX25iOwotICAgICAg ICAgICAgICAgIGlvZXZlbnRmZHMgPSBnX3JlYWxsb2MoaW9ldmVudGZkcywKLSAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGlvZXZlbnRmZF9uYiAqIHNpemVvZigqaW9l dmVudGZkcykpOworICAgICAgICAgICAgICAgIGlmIChpb2V2ZW50ZmRfbmIgPiBpb2V2ZW50ZmRf bWF4KSB7CisgICAgICAgICAgICAgICAgICAgIGlvZXZlbnRmZF9tYXggKz0gNjQ7CisgICAgICAg ICAgICAgICAgICAgIGlvZXZlbnRmZHMgPSBnX3JlYWxsb2MoaW9ldmVudGZkcywKKyAgICAgICAg ICAgICAgICAgICAgICAgICAgICBpb2V2ZW50ZmRfbWF4ICogc2l6ZW9mKCppb2V2ZW50ZmRzKSk7 CisgICAgICAgICAgICAgICAgfQogICAgICAgICAgICAgICAgIGlvZXZlbnRmZHNbaW9ldmVudGZk X25iLTFdID0gZnItPm1yLT5pb2V2ZW50ZmRzW2ldOwogICAgICAgICAgICAgICAgIGlvZXZlbnRm ZHNbaW9ldmVudGZkX25iLTFdLmFkZHIgPSB0bXA7CiAgICAgICAgICAgICB9Ci0tIAoyLjI0LjEK Cg==