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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5CC07C433F5 for ; Thu, 12 May 2022 06:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ps5WVndLEKEEEo2tEY/Zf5feH5e7stiwfcGdk7t9OTo=; b=zygTsRgoorbfJk+2Wz7TECwKGc FkFmx2UC/iLP/BzAf9/qw453M2Qj8BYO60YYuYp/z1+KbWDTbrl2adkuZvunUCu71fwlJrPQBAAG6 HnO6ZeGm2VkFYndwgBjSGK3o7UScbCIb+GEFA6uYUPNZBg7+m9YFC5FCFQwgFO9NLnRvgAdX54vkR yrLxMF++aG6pGMpYHnWfx0cmifp809OSj3m1fKc1R7jTj1o2TtNr8JDomfMq0MDVdSzrMeHOzMKuY 04NhWUtKAZkvFzpS6rkYf9t2cg3aTiSzIM/2OlkSBWPplYulrVywT0/fvKZn6Y3cBm6GvlHdqOBtI fFlFjl0A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1np23K-00ALsF-35; Thu, 12 May 2022 06:11:58 +0000 Received: from mail-lj1-x232.google.com ([2a00:1450:4864:20::232]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1np23G-00ALqW-VF for linux-arm-kernel@lists.infradead.org; Thu, 12 May 2022 06:11:56 +0000 Received: by mail-lj1-x232.google.com with SMTP id g16so5216238lja.3 for ; Wed, 11 May 2022 23:11:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=NEB+jrNm+Tn2FtofeaBVpeeoHMLJsewS6l3Qc041rsM=; b=NNEUu6kPZ1arfW4eHUTQDHxPZV/kgJ370ELIRRoRiXNWZ5JJi9ZCFJO/R344mtpCg0 vrL8s3NxqydBsjCxs5i3xi6bIjgpDLx/+cyNPZScHQ4l3rj85FQUP8NsYNUKGPyKHiwL HkLijvpLEQCy8RojLGQhtygKeI+z+sETXEpoy5R+qPsiQgVbcQokY51YeREWOqH2qspM rNibrz1iHC4ETdUPQBJutTzoVJlSAmvAjiiUAjOGdBaQMREZx2lZg9Gh0RHnQEd60wTq yXnEBA3TkTar00aJ1t5mx+OkH2e8EamaGMjyBereZye249/Hpp8mTJrGf2KQAlwKUCrS UFBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=NEB+jrNm+Tn2FtofeaBVpeeoHMLJsewS6l3Qc041rsM=; b=kNk90z+vXoZa1VUZe5XaaAxld7+DwM0KP9+6xKBJjhT+QrJuG4bf1OeywgI42BPKph KC454eNxs7I7L97yuMjtABvTbZwf4yq7UxKBUsmGodXLbkAXUBIH3BjRnA0Lfmwv/ETA XHTjEebWq8iNTHzkIV+LOiwwvV7jLt7A47fvW2uhsMgdXI6vss8ua7n+QcOeMf/Tvvnl rFNrKBr8vJ9/iSVQhJmNXyLti3125dNJDAxMtXK88vgJnrK3CFVUIRb4k53zQ2YboHET MTLd91vQ2ck3nOT0wQGeQAEOyYitnGJERaK15WFo5CKkPJBXL27OXGnczdECYd98lCnz kZ1Q== X-Gm-Message-State: AOAM533BdWgGF/3VNAi2HvtzDq0zzHI2hCCBphkWCUEeYvsQTNybFbpd Ldorq9vjBHjRLmUieTcD+Dw= X-Google-Smtp-Source: ABdhPJyMRNpNOP2eL5Vb3YEt2h7dyYcK52kqLFmo+atTAmUfpAkUnaLLPD4zU5Qj2p/8dIrpHs9V/Q== X-Received: by 2002:a05:651c:895:b0:250:c5ec:bc89 with SMTP id d21-20020a05651c089500b00250c5ecbc89mr13159344ljq.251.1652335910783; Wed, 11 May 2022 23:11:50 -0700 (PDT) Received: from [192.168.1.7] ([212.22.223.21]) by smtp.gmail.com with ESMTPSA id 17-20020ac24d51000000b0047255d2119asm617346lfp.201.2022.05.11.23.11.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 May 2022 23:11:50 -0700 (PDT) Subject: Re: [PATCH V2 2/7] xen/grants: support allocating consecutive grants To: Boris Ostrovsky Cc: Stefano Stabellini , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Juergen Gross , Julien Grall , Oleksandr Tyshchenko , "Michael S. Tsirkin" , Christoph Hellwig References: <1651947548-4055-1-git-send-email-olekstysh@gmail.com> <1651947548-4055-3-git-send-email-olekstysh@gmail.com> <8409e636-94e3-e231-f181-c76a849534a1@gmail.com> <24748b59-e2ed-1d7d-801e-ab9dc12b0983@oracle.com> From: Oleksandr Message-ID: <749e79d0-c920-adee-c145-edc4153a99f9@gmail.com> Date: Thu, 12 May 2022 09:11:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <24748b59-e2ed-1d7d-801e-ab9dc12b0983@oracle.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220511_231155_087101_0397B818 X-CRM114-Status: GOOD ( 20.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Ck9uIDEyLjA1LjIyIDAwOjA5LCBCb3JpcyBPc3Ryb3Zza3kgd3JvdGU6CgoKSGVsbG8gQm9yaXMK Cgo+Cj4gT24gNS8xMS8yMiAyOjAwIFBNLCBPbGVrc2FuZHIgd3JvdGU6Cj4+Cj4+IE9uIDA3LjA1 LjIyIDIxOjE5LCBPbGVrc2FuZHIgVHlzaGNoZW5rbyB3cm90ZToKPj4KPj4gSGVsbG8gQm9yaXMs IFN0ZWZhbm8KPj4KPj4KPj4+IEZyb206IEp1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmNvbT4K Pj4+Cj4+PiBGb3Igc3VwcG9ydCBvZiB2aXJ0aW8gdmlhIGdyYW50IG1hcHBpbmdzIGluIHJhcmUg Y2FzZXMgbGFyZ2VyIG1hcHBpbmdzCj4+PiB1c2luZyBjb25zZWN1dGl2ZSBncmFudHMgYXJlIG5l ZWRlZC4gU3VwcG9ydCB0aG9zZSBieSBhZGRpbmcgYSBiaXRtYXAKPj4+IG9mIGZyZWUgZ3JhbnRz Lgo+Pj4KPj4+IEFzIGNvbnNlY3V0aXZlIGdyYW50cyB3aWxsIGJlIG5lZWRlZCBvbmx5IGluIHZl cnkgcmFyZSBjYXNlcyAoZS5nLiB3aGVuCj4+PiBjb25maWd1cmluZyBhIHZpcnRpbyBkZXZpY2Ug d2l0aCBhIG11bHRpLXBhZ2UgcmluZyksIG9wdGltaXplIGZvciB0aGUKPj4+IG5vcm1hbCBjYXNl IG9mIG5vbi1jb25zZWN1dGl2ZSBhbGxvY2F0aW9ucy4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBK dWVyZ2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+Cj4+PiAtLS0KPj4+IENoYW5nZXMgUkZDIC0+ IFYxOgo+Pj4gwqDCoMKgIC0gbm8gY2hhbmdlcwo+Pj4gwqDCoMKgIENoYW5nZXMgVjEgLT4gVjI6 Cj4+PiDCoMKgwqAgLSBubyBjaGFuZ2VzCj4+Cj4+Cj4+IE1heSBJIHBsZWFzZSBhc2sgZm9yIHRo ZSByZXZpZXcgaGVyZT8KPgo+Cj4KPiBJIGhhZCBhIHF1aWNrIGxvb2sgYnV0IEkgYW0gc3R1Y2sg b24gZ2V0X2ZyZWVfc2VxKCksIEkgbmVlZCB0byBzdGFyZSAKPiBhdCBpdCBzb21lIG1vcmUuIFVu bGVzcyBzb21lb25lIGVsc2UgcmV2aWV3cyB0aGlzLCBJIHdpbGwgdHJ5IHRvIGdldCAKPiB0byB0 aGlzIGluIHRoZSBuZXh0IGNvdXBsZSBvZiBkYXlzLgoKClRoYW5rIHlvdSEKCgo+Cj4KPgo+IE9u ZSB0aGluZyBJIGRpZCBub3RpY2UgaXMKPgo+Cj4+Cj4+PiBAQCAtMTQ1Miw2ICsxNjI0LDEzIEBA IGludCBnbnR0YWJfaW5pdCh2b2lkKQo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgIH0KPj4+IMKgwqDC oMKgwqAgfQo+Pj4gwqAgK8KgwqDCoCBpID0gZ250dGFiX2ludGVyZmFjZS0+Z3JlZnNfcGVyX2dy YW50X2ZyYW1lICogCj4+PiBtYXhfbnJfZ3JhbnRfZnJhbWVzOwo+Pj4gK8KgwqDCoCBnbnR0YWJf ZnJlZV9iaXRtYXAgPSBiaXRtYXBfemFsbG9jKGksIEdGUF9LRVJORUwpOwo+Pj4gK8KgwqDCoCBp ZiAoIWdudHRhYl9mcmVlX2JpdG1hcCkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIHJldCA9IC1FTk9N RU07Cj4+PiArwqDCoMKgwqDCoMKgwqAgZ290byBpbmlfbm9tZW07Cj4+PiArwqDCoMKgIH0KPgo+ Cj4gVGhpcyBvdmVyd3JpdGVzICdpJyBhbmQgd2lsbCBicmVhayBlcnJvciBoYW5kbGluZyBhdCBp bmlfbm9tZW0uCgoKSW5kZWVkLCB3aWxsIGZpeC4gVGhhbmsgeW91IGZvciBwb2ludGluZyB0aGlz IG91dC4KCgo+Cj4KPiAtYm9yaXMKPgo+Ci0tIApSZWdhcmRzLAoKT2xla3NhbmRyIFR5c2hjaGVu a28KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==