From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CDE5C433DF for ; Mon, 6 Jul 2020 13:59:33 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5B7062070C for ; Mon, 6 Jul 2020 13:59:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aTYJSo26" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B7062070C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jsRee-0006Un-L2 for qemu-devel@archiver.kernel.org; Mon, 06 Jul 2020 09:59:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46342) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsRcT-0001bc-TE for qemu-devel@nongnu.org; Mon, 06 Jul 2020 09:57:17 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:46389 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jsRcN-0006Sa-Sy for qemu-devel@nongnu.org; Mon, 06 Jul 2020 09:57:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594043831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aSP7/djMhy25kGi63d6m5Qu/kXKQoqJaN2oMWV9dQSg=; b=aTYJSo26MV2RrGR6Vr1EAC9MWuXyymzSCxHiXQQbrGqG6E7toFCQPyBX54YL0kl9J8X7GM 4xDRiOmBHi9tvEP5WL3gBk+7erPZCemwE1jNd/6E8x932H6RW96EBGMSvzm+/ypDDeyOSv mexevkPvW3088wpVX3ObJUmaLx7NDzQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-183-goE85UbSMSSoS1l_CdAbsg-1; Mon, 06 Jul 2020 09:57:07 -0400 X-MC-Unique: goE85UbSMSSoS1l_CdAbsg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1B4CF107ACCA; Mon, 6 Jul 2020 13:57:06 +0000 (UTC) Received: from localhost (ovpn-114-217.ams2.redhat.com [10.36.114.217]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9AF295C1B2; Mon, 6 Jul 2020 13:56:59 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v5 1/5] virtio-pci: add virtio_pci_optimal_num_queues() helper Date: Mon, 6 Jul 2020 14:56:46 +0100 Message-Id: <20200706135650.438362-2-stefanha@redhat.com> In-Reply-To: <20200706135650.438362-1-stefanha@redhat.com> References: <20200706135650.438362-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: base64 Received-SPF: pass client-ip=207.211.31.81; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/06 01:39:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Kevin Wolf , Fam Zheng , Eduardo Habkost , qemu-block@nongnu.org, "Michael S. Tsirkin" , cohuck@redhat.com, Max Reitz , Stefan Hajnoczi , Pankaj Gupta , Paolo Bonzini , Raphael Norwitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" TXVsdGktcXVldWUgZGV2aWNlcyBhY2hpZXZlIHRoZSBiZXN0IHBlcmZvcm1hbmNlIHdoZW4gZWFj aCB2Q1BVIGhhcyBhCmRlZGljYXRlZCBxdWV1ZS4gVGhpcyBlbnN1cmVzIHRoYXQgdmlydHF1ZXVl IHVzZWQgbm90aWZpY2F0aW9ucyBhcmUKaGFuZGxlZCBvbiB0aGUgc2FtZSB2Q1BVIHRoYXQgc3Vi bWl0dGVkIHZpcnRxdWV1ZSBidWZmZXJzLiAgV2hlbiBhbm90aGVyCnZDUFUgaGFuZGxlcyB0aGUg dGhlIG5vdGlmaWNhdGlvbiBhbiBJUEkgd2lsbCBiZSBuZWNlc3NhcnkgdG8gd2FrZSB0aGUKc3Vi bWlzc2lvbiB2Q1BVIGFuZCB0aGlzIGluY3VycyBhIHBlcmZvcm1hbmNlIG92ZXJoZWFkLgoKUHJv dmlkZSBhIGhlbHBlciBmdW5jdGlvbiB0aGF0IHZpcnRpby1wY2kgZGV2aWNlcyB3aWxsIHVzZSBp biBsYXRlcgpwYXRjaGVzIHRvIGF1dG9tYXRpY2FsbHkgc2VsZWN0IHRoZSBvcHRpbWFsIG51bWJl ciBvZiBxdWV1ZXMuCgpUaGUgZnVuY3Rpb24gaGFuZGxlcyBndWVzdHMgd2l0aCBsYXJnZSBudW1i ZXJzIG9mIENQVXMgYnkgbGltaXRpbmcgdGhlCm51bWJlciBvZiBxdWV1ZXMgdG8gZml0IHdpdGhp biB0aGUgZm9sbG93aW5nIGNvbnN0cmFpbnRzOgoxLiBUaGUgbWF4aW11bSBudW1iZXIgb2YgTVNJ LVggdmVjdG9ycy4KMi4gVGhlIG1heGltdW0gbnVtYmVyIG9mIHZpcnRxdWV1ZXMuCgpTaWduZWQt b2ZmLWJ5OiBTdGVmYW4gSGFqbm9jemkgPHN0ZWZhbmhhQHJlZGhhdC5jb20+Ci0tLQogaHcvdmly dGlvL3ZpcnRpby1wY2kuaCB8ICA5ICsrKysrKysrKwogaHcvdmlydGlvL3ZpcnRpby1wY2kuYyB8 IDMyICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDQx IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9ody92aXJ0aW8vdmlydGlvLXBjaS5oIGIvaHcv dmlydGlvL3ZpcnRpby1wY2kuaAppbmRleCBlMmVhYWE5MTgyLi45MTA5NmYwMjkxIDEwMDY0NAot LS0gYS9ody92aXJ0aW8vdmlydGlvLXBjaS5oCisrKyBiL2h3L3ZpcnRpby92aXJ0aW8tcGNpLmgK QEAgLTI0Myw0ICsyNDMsMTMgQEAgdHlwZWRlZiBzdHJ1Y3QgVmlydGlvUENJRGV2aWNlVHlwZUlu Zm8gewogLyogUmVnaXN0ZXIgdmlydGlvLXBjaSB0eXBlKHMpLiAgQHQgbXVzdCBiZSBzdGF0aWMu ICovCiB2b2lkIHZpcnRpb19wY2lfdHlwZXNfcmVnaXN0ZXIoY29uc3QgVmlydGlvUENJRGV2aWNl VHlwZUluZm8gKnQpOwogCisvKioKKyAqIHZpcnRpb19wY2lfb3B0aW1hbF9udW1fcXVldWVzOgor ICogQGZpeGVkX3F1ZXVlczogbnVtYmVyIG9mIHF1ZXVlcyB0aGF0IGFyZSBhbHdheXMgcHJlc2Vu dAorICoKKyAqIFJldHVybnM6IFRoZSBvcHRpbWFsIG51bWJlciBvZiBxdWV1ZXMgZm9yIGEgbXVs dGktcXVldWUgZGV2aWNlLCBleGNsdWRpbmcKKyAqIEBmaXhlZF9xdWV1ZXMuCisgKi8KK3Vuc2ln bmVkIHZpcnRpb19wY2lfb3B0aW1hbF9udW1fcXVldWVzKHVuc2lnbmVkIGZpeGVkX3F1ZXVlcyk7 CisKICNlbmRpZgpkaWZmIC0tZ2l0IGEvaHcvdmlydGlvL3ZpcnRpby1wY2kuYyBiL2h3L3ZpcnRp by92aXJ0aW8tcGNpLmMKaW5kZXggN2JjOGMxYzA1Ni4uYzQ4NTcwYzAzZiAxMDA2NDQKLS0tIGEv aHcvdmlydGlvL3ZpcnRpby1wY2kuYworKysgYi9ody92aXJ0aW8vdmlydGlvLXBjaS5jCkBAIC0x OSw2ICsxOSw3IEBACiAKICNpbmNsdWRlICJleGVjL21lbW9wLmgiCiAjaW5jbHVkZSAic3RhbmRh cmQtaGVhZGVycy9saW51eC92aXJ0aW9fcGNpLmgiCisjaW5jbHVkZSAiaHcvYm9hcmRzLmgiCiAj aW5jbHVkZSAiaHcvdmlydGlvL3ZpcnRpby5oIgogI2luY2x1ZGUgIm1pZ3JhdGlvbi9xZW11LWZp bGUtdHlwZXMuaCIKICNpbmNsdWRlICJody9wY2kvcGNpLmgiCkBAIC0yMDI4LDYgKzIwMjksMzcg QEAgdm9pZCB2aXJ0aW9fcGNpX3R5cGVzX3JlZ2lzdGVyKGNvbnN0IFZpcnRpb1BDSURldmljZVR5 cGVJbmZvICp0KQogICAgIGdfZnJlZShiYXNlX25hbWUpOwogfQogCit1bnNpZ25lZCB2aXJ0aW9f cGNpX29wdGltYWxfbnVtX3F1ZXVlcyh1bnNpZ25lZCBmaXhlZF9xdWV1ZXMpCit7CisgICAgLyoK KyAgICAgKiAxOjEgdnEgdG8gdkNQVSBtYXBwaW5nIGlzIGlkZWFsIGJlY2F1c2UgdGhlIHNhbWUg dkNQVSB0aGF0IHN1Ym1pdHRlZAorICAgICAqIHZpcnRxdWV1ZSBidWZmZXJzIGNhbiBoYW5kbGUg dGhlaXIgY29tcGxldGlvbi4gV2hlbiBhIGRpZmZlcmVudCB2Q1BVCisgICAgICogaGFuZGxlcyBj b21wbGV0aW9uIGl0IG1heSBuZWVkIHRvIElQSSB0aGUgdkNQVSB0aGF0IHN1Ym1pdHRlZCB0aGUK KyAgICAgKiByZXF1ZXN0IGFuZCB0aGlzIGFkZHMgb3ZlcmhlYWQuCisgICAgICoKKyAgICAgKiBW aXJ0cXVldWVzIGNvbnN1bWUgZ3Vlc3QgUkFNIGFuZCBNU0ktWCB2ZWN0b3JzLiBUaGlzIGlzIHdh c3RlZnVsIGluCisgICAgICogZ3Vlc3RzIHdpdGggdmVyeSBtYW55IHZDUFVzIGFuZCBhIGRldmlj ZSB0aGF0IGlzIG9ubHkgdXNlZCBieSBhIGZldworICAgICAqIHZDUFVzLiBVbmZvcnR1bmF0ZWx5 IG9wdGltaXppbmcgdGhhdCBjYXNlIHJlcXVpcmVzIG1hbnVhbCBwaW5uaW5nIGluc2lkZQorICAg ICAqIHRoZSBndWVzdCwgc28gdGhvc2UgdXNlcnMgbWlnaHQgYXMgd2VsbCBtYW51YWxseSBzZXQg dGhlIG51bWJlciBvZgorICAgICAqIHF1ZXVlcy4gVGhlcmUgaXMgbm8gdXBwZXIgbGltaXQgdGhh dCBjYW4gYmUgYXBwbGllZCBhdXRvbWF0aWNhbGx5IGFuZAorICAgICAqIGRvaW5nIHNvIGFyYml0 cmFyaWx5IHdvdWxkIHJlc3VsdCBpbiBhIHN1ZGRlbiBwZXJmb3JtYW5jZSBkcm9wIG9uY2UgdGhl CisgICAgICogdGhyZXNob2xkIG51bWJlciBvZiB2Q1BVcyBpcyBleGNlZWRlZC4KKyAgICAgKi8K KyAgICB1bnNpZ25lZCBudW1fcXVldWVzID0gY3VycmVudF9tYWNoaW5lLT5zbXAuY3B1czsKKwor ICAgIC8qCisgICAgICogVGhlIG1heGltdW0gbnVtYmVyIG9mIE1TSS1YIHZlY3RvcnMgaXMgUENJ X01TSVhfRkxBR1NfUVNJWkUgKyAxLCBidXQgdGhlCisgICAgICogY29uZmlnIGNoYW5nZSBpbnRl cnJ1cHQgYW5kIHRoZSBmaXhlZCB2aXJ0cXVldWVzIG11c3QgYmUgdGFrZW4gaW50bworICAgICAq IGFjY291bnQgdG9vLgorICAgICAqLworICAgIG51bV9xdWV1ZXMgPSBNSU4obnVtX3F1ZXVlcywg UENJX01TSVhfRkxBR1NfUVNJWkUgLSBmaXhlZF9xdWV1ZXMpOworCisgICAgLyoKKyAgICAgKiBU aGVyZSBpcyBhIGxpbWl0IHRvIGhvdyBtYW55IHZpcnRxdWV1ZXMgYSBkZXZpY2UgY2FuIGhhdmUu CisgICAgICovCisgICAgcmV0dXJuIE1JTihudW1fcXVldWVzLCBWSVJUSU9fUVVFVUVfTUFYIC0g Zml4ZWRfcXVldWVzKTsKK30KKwogLyogdmlydGlvLXBjaS1idXMgKi8KIAogc3RhdGljIHZvaWQg dmlydGlvX3BjaV9idXNfbmV3KFZpcnRpb0J1c1N0YXRlICpidXMsIHNpemVfdCBidXNfc2l6ZSwK LS0gCjIuMjYuMgoK