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 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 648C9ECAAA1 for ; Tue, 30 Aug 2022 22:02:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id DEA7840193; Tue, 30 Aug 2022 22:02:06 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org DEA7840193 Authentication-Results: smtp2.osuosl.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DAidZYQL X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Obk0VoBIguOL; Tue, 30 Aug 2022 22:02:06 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 616FC40A9F; Tue, 30 Aug 2022 22:02:05 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 616FC40A9F Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 21774C0032; Tue, 30 Aug 2022 22:02:05 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id CBCDCC002D for ; Tue, 30 Aug 2022 22:02:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8CC1F82925 for ; Tue, 30 Aug 2022 22:02:03 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 8CC1F82925 Authentication-Results: smtp1.osuosl.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DAidZYQL X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3GodBO8y_Dr2 for ; Tue, 30 Aug 2022 22:02:02 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 4D46C8291D Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by smtp1.osuosl.org (Postfix) with ESMTPS id 4D46C8291D for ; Tue, 30 Aug 2022 22:02:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661896921; 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=niKK6Em97xEuZCk7i+SitS0TpBbaJZedtrfzlYGJFCI=; b=DAidZYQLrufjhNwqFHY9KYat39y0M4DSawGIqVJIQCInEDbuka014BGgW05mpFUblj0xvB e9TwpWbh2O0+/kyXg0pf3kwSDYV1G6CarWFYNvXucOieL9z+gvdwwJQrLyK4lgkHG429Y5 rzBxldIBlrIQTOnYVQRYtoh/Ay2Z8kc= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-196-36ljd_N-OgKyv5GoC62QEQ-1; Tue, 30 Aug 2022 18:01:59 -0400 X-MC-Unique: 36ljd_N-OgKyv5GoC62QEQ-1 Received: by mail-wm1-f71.google.com with SMTP id i7-20020a1c3b07000000b003a534ec2570so10709253wma.7 for ; Tue, 30 Aug 2022 15:01:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date; bh=niKK6Em97xEuZCk7i+SitS0TpBbaJZedtrfzlYGJFCI=; b=He35/sdSDS5U6wt7yK2TMREG1iFy6XoSdYnb0Jg8iLs8MJ3FW8HttzxThw97GNpo0n XftpweelcMpknPt3CcpE0dRui0P9DWgyGSWe9fic1tXW9CTN3kDodKgewuyyBjnKuq22 XAcbcTv1BGzn9oNBmHHM9VxWTRzK+N1WxRUAGWSKz1YfgPomTQu8L/ExXoYCXi7hipOc 3HrNYUUTpTGYnyfQzdqFXb/h9JvwRzrvDtYAYi0i3BPsQi5NeLvM/0fhQo4lp4gNjpCU KqmPqZLz2a1lBpsvOo3mdFAtefJ7pD4vsIXwYARvw1P/53z8IsN6k7y0t8cJHMhgIe+R CWWg== X-Gm-Message-State: ACgBeo3dE4sUYVzWecRLecqyW2lxftMpSqDgSCngtyXvYnBN80g7iF5P p4szzh8zCoPWXN+oEYL519s7x2TBmuCu1p2AOiGBveH/FciXLZTWscAJvtRCk29PUr5y5ijE2zQ YIBJ8Lg396PSo2gzXi9IDac6L/AR892P7BlgQ5MWnIw== X-Received: by 2002:a05:600c:6009:b0:3a5:b069:5d34 with SMTP id az9-20020a05600c600900b003a5b0695d34mr35190wmb.115.1661896917657; Tue, 30 Aug 2022 15:01:57 -0700 (PDT) X-Google-Smtp-Source: AA6agR7+HjTeGfMX3x3prZqb704Qi0ORuwkQtZkamWHUQSNQsm6v29xQEOF5ZqORPAGl/IsPpTHTBA== X-Received: by 2002:a05:600c:6009:b0:3a5:b069:5d34 with SMTP id az9-20020a05600c600900b003a5b0695d34mr35169wmb.115.1661896917315; Tue, 30 Aug 2022 15:01:57 -0700 (PDT) Received: from redhat.com ([2.55.191.225]) by smtp.gmail.com with ESMTPSA id m9-20020a05600c4f4900b003a84375d0d1sm30633wmq.44.2022.08.30.15.01.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 15:01:56 -0700 (PDT) Date: Tue, 30 Aug 2022 18:01:53 -0400 From: "Michael S. Tsirkin" To: Si-Wei Liu Subject: Re: RFC: control virtqueue size by the vdpa tool Message-ID: <20220830180119-mutt-send-email-mst@kernel.org> References: <20220830154938-mutt-send-email-mst@kernel.org> <7460d7c7-5b44-661f-7763-3e7a6a15f138@oracle.com> MIME-Version: 1.0 In-Reply-To: <7460d7c7-5b44-661f-7763-3e7a6a15f138@oracle.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: "eperezma@redhat.com" , Eli Cohen , "virtualization@lists.linux-foundation.org" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gVHVlLCBBdWcgMzAsIDIwMjIgYXQgMDI6MDQ6NTVQTSAtMDcwMCwgU2ktV2VpIExpdSB3cm90 ZToKPiAKPiAKPiBPbiA4LzMwLzIwMjIgMTI6NTggUE0sIE1pY2hhZWwgUy4gVHNpcmtpbiB3cm90 ZToKPiA+IE9uIFR1ZSwgQXVnIDMwLCAyMDIyIGF0IDA2OjIyOjMxQU0gKzAwMDAsIEVsaSBDb2hl biB3cm90ZToKPiA+ID4gCj4gPiA+IEhpLAo+ID4gPiAKPiA+ID4gCj4gPiA+IEkgaGF2ZSBiZWVu IGV4cGVyaW1lbnRpbmcgd2l0aCBkaWZmZXJlbnQgcXVldWUgc2l6ZXMgd2l0aCBtbHg1X3ZkcGEg YW5kIG5vdGljZWQKPiA+ID4gdGhhdCBxdWV1ZSBzaXplIGNhbiBhZmZlY3QgcGVyZm9ybWFuY2Uu Cj4gPiA+IAo+ID4gPiBJIHdvdWxkIGxpa2UgdG8gcHJvcG9zZSBhbiBleHRlbnNpb24gdG8gdmRw YSB0b29sIHRvIGFsbG93IHRvIHNwZWNpZnkgdGhlIHF1ZXVlCj4gPiA+IHNpemUuIFZhbGlkIHZh bHVlcyB3aWxsIGNvbmZvcm0gdG8gdGhlIG1heCBvZiAzMjc2OCBzcGVjaWZpZWQgYnkgdGhlIHNw ZWMuCj4gPiA+IAo+ID4gPiAKPiA+ID4g4oCcdmRwYSBtZ210ZGV2IHNob3figJ0gd2lsbCBoYXZl IGFub3RoZXIgbGluZSBzcGVjaWZ5aW5nIHRoZSB2YWxpZCByYW5nZSBmb3IgYQo+ID4gPiBtYW5h Z2VtZW50IGRldmljZSB3aGljaCBjb3VsZCBiZSBuYXJyb3dlciB0aGFuIHRoZSBzcGVjIGFsbG93 cy4gVGhpcyByYW5nZSB3aWxsCj4gPiA+IGJlIHZhbGlkIGZvciBkYXRhIHF1ZXVlcyBvbmx5IChu b3QgZm9yIGNvbnRyb2wgVlEpLgo+ID4gPiAKPiA+ID4gQW5vdGhlciBsaW5lIHdpbGwgZGlzcGxh eSB0aGUgZGVmYXVsdCBxdWV1ZSBzaXplCj4gPiA+IAo+ID4gPiAKPiA+ID4gRXhhbXBsZToKPiA+ ID4gCj4gPiA+ICQgdmRwYSBtZ210ZGV2IHNob3cKPiA+ID4gCj4gPiA+IGF1eGlsaWFyeS9tbHg1 X2NvcmUuc2YuNjoKPiA+ID4gCj4gPiA+ICAgIHN1cHBvcnRlZF9jbGFzc2VzIG5ldAo+ID4gPiAK PiA+ID4gICAgbWF4X3N1cHBvcnRlZF92cXMgNjUKPiA+ID4gCj4gPiA+ICAgIGRldl9mZWF0dXJl cyBDU1VNIEdVRVNUX0NTVU0gTVRVIEhPU1RfVFNPNCBIT1NUX1RTTzYgU1RBVFVTIENUUkxfVlEg Q1RSTF9WTEFOCj4gPiA+IE1RIENUUkxfTUFDX0FERFIgVkVSU0lPTl8xIEFDQ0VTU19QTEFURk9S TQo+ID4gPiAKPiA+ID4gICAgZGF0YSBxdWV1ZSByYW5nZSAyNTYtNDA5Ngo+ID4gPiAKPiA+ID4g ICAgZGVmYXVsdCBxdWV1ZSBzaXplIDI1Ngo+ID4gPiAKPiA+ID4gCj4gPiA+IFdoZW4geW91IGNy ZWF0ZSB0aGUgdmRwYSBkZXZpY2UgeW91IGNhbiBzcGVjaWZ5IHRoZSByZXF1ZXN0ZWQgdmFsdWU6 Cj4gPiA+IAo+ID4gPiAkIHZkcGEgZGV2IGFkZCBuYW1lIHZkcGEtYSBtZ210ZGV2IGF1eGlsaWFy eS9tbHg1X2NvcmUuc2YuNiBtYXhfdnFwIDEgbXR1IDkwMDAKPiA+ID4gcXVldWVfc2l6ZSAxMDI0 Cj4gPiA+IAo+ID4gCj4gPiBBIGZvbGxvdyB1cCBxdWVzdGlvbjogaXNuJ3QgaXQgZW5vdWdoIHRv IGNvbnRyb2wgdGhlIHNpemUKPiA+IGZyb20gcWVtdT8gZG8gd2UgbmVlZCBhYmlsaXR5IHRvIGNv bnRyb2wgaXQgYXQgdGhlIGtlcm5lbCBsZXZlbD8KPiA+IAo+IFJpZ2h0LCBJIHRoaW5rIHRvZGF5 IHdlIGNhbiBvcHRpb25hbGx5IGNvbnRyb2wgdGhlIHF1ZXVlIHNpemUgZnJvbSBxZW11IHZpYQo+ IHJ4X3F1ZXVlX3NpemUgb3IgdHhfcXVldWVfc2l6ZSwgYnV0IGl0IGhhcyBhIGxpbWl0IG9mIDEw MjQgKGJ0dyB3aHkgaXQgaGFzCj4gc3VjaCBsaW1pdCwgd2hpY2ggaXMgcmVsYXRpdmVseSBsb3dl ciBpbiBteSBvcGluaW9uKS4gSSB0aGluayB3aGF0IHdhcwo+IG1pc3NpbmcgZm9yIFFFTVUgaXMg dG8gcXVlcnkgdGhlIG1heCBudW1iZXIgb2YgcXVldWUgc2l6ZSB0aGF0IHRoZSBoYXJkd2FyZQo+ IGNhbiBzdXBwb3J0IGZyb20gdGhlIGJhY2tlbmQuCj4gCj4gLVNpd2VpCj4gCgpva2F5IHN1cmUu IG15IHF1ZXN0aW9uIGlzIGhvdyBpbXBvcnRhbnQgaXMgaXQgdG8gY29udHJvbCBpdCBpbiB0aGUK a2VybmVsPwoKLS0gCk1TVAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3Rz LmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9t YWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u