From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: xen: Can't insert balloon page into VM userspace (WAS Re: [linux-linus bisection] complete test-arm64-arm64-xl-xsm) Date: Tue, 12 Mar 2019 18:11:14 +0000 Message-ID: <6e5309b3-2910-b556-da8d-05b529de1d18__47402.2450320021$1552414515$gmane$org@citrix.com> References: <80211e70-5f54-9421-8e8f-2a4fc758ce39@arm.com> <46118631-61d4-adb6-6ffc-4e7c62ea3da9@arm.com> <20190312171421.GJ19508@bombadil.infradead.org> <45323ea0-2a50-8891-830e-e1f8a8ed23ea@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h3luk-0003eF-Nw for xen-devel@lists.xenproject.org; Tue, 12 Mar 2019 18:14:10 +0000 In-Reply-To: Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Boris Ostrovsky , David Hildenbrand , Matthew Wilcox , Julien Grall Cc: Juergen Gross , k.khlebnikov@samsung.com, Stefano Stabellini , Kees Cook , Konrad Rzeszutek Wilk , "VMware, Inc." , osstest service owner , "linux-kernel@vger.kernel.org" , linux-mm@kvack.org, Julien Freche , Nadav Amit , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gMTIvMDMvMjAxOSAxODowMiwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+IE9uIDMvMTIvMTkg MToyNCBQTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gT24gMTIvMDMvMjAxOSAxNzoxOCwgRGF2 aWQgSGlsZGVuYnJhbmQgd3JvdGU6Cj4+PiBPbiAxMi4wMy4xOSAxODoxNCwgTWF0dGhldyBXaWxj b3ggd3JvdGU6Cj4+Pj4gT24gVHVlLCBNYXIgMTIsIDIwMTkgYXQgMDU6MDU6MzlQTSArMDAwMCwg SnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+PiBPbiAzLzEyLzE5IDM6NTkgUE0sIEp1bGllbiBHcmFs bCB3cm90ZToKPj4+Pj4+IEl0IGxvb2tzIGxpa2UgYWxsIHRoZSBhcm0gdGVzdCBmb3IgbGludXMg WzFdIGFuZCBuZXh0IFsyXSB0cmVlCj4+Pj4+PiBhcmUgbm93IGZhaWxpbmcuIHg4NiBzZWVtcyB0 byBiZSBtb3N0bHkgb2suCj4+Pj4+Pgo+Pj4+Pj4gVGhlIGJpc2VjdG9yIGZpbmdlcmVkIHRoZSBm b2xsb3dpbmcgY29tbWl0Ogo+Pj4+Pj4KPj4+Pj4+IGNvbW1pdCAwZWU5MzBlNmNhZmEwNDhjMTky NTg5M2QwY2E4OTkxOGIyODE0ZjJjCj4+Pj4+PiBBdXRob3I6IE1hdHRoZXcgV2lsY294IDx3aWxs eUBpbmZyYWRlYWQub3JnPgo+Pj4+Pj4gRGF0ZTogICBUdWUgTWFyIDUgMTU6NDY6MDYgMjAxOSAt MDgwMAo+Pj4+Pj4KPj4+Pj4+ICAgICAgbW0vbWVtb3J5LmM6IHByZXZlbnQgbWFwcGluZyB0eXBl ZCBwYWdlcyB0byB1c2Vyc3BhY2UKPj4+Pj4+ICAgICAgUGFnZXMgd2hpY2ggdXNlIHBhZ2VfdHlw ZSBtdXN0IG5ldmVyIGJlIG1hcHBlZCB0byB1c2Vyc3BhY2UgYXMgaXQgd291bGQKPj4+Pj4+ICAg ICAgZGVzdHJveSB0aGVpciBwYWdlIHR5cGUuICBBZGQgYW4gZXhwbGljaXQgY2hlY2sgZm9yIHRo aXMgaW5zdGVhZCBvZgo+Pj4+Pj4gICAgICBhc3N1bWluZyB0aGF0IGtlcm5lbCBkcml2ZXJzIGFs d2F5cyBnZXQgdGhpcyByaWdodC4KPj4+PiBPaCBnb29kLCBpdCBmb3VuZCBhIHJlYWwgcHJvYmxl bS4KPj4+Pgo+Pj4+PiBJdCB0dXJucyBvdXQgdGhlIHByb2JsZW0gaXMgYmVjYXVzZSB0aGUgYmFs bG9vbiBkcml2ZXIgd2lsbCBjYWxsCj4+Pj4+IF9fU2V0UGFnZU9mZmxpbmUoKSBvbiBhbGxvY2F0 ZWQgcGFnZS4gVGhlcmVmb3JlIHRoZSBwYWdlIGhhcyBhIHR5cGUgYW5kCj4+Pj4+IHZtX2luc2Vy dF9wYWdlcyB3aWxsIGRlbnkgdGhlIGluc2VydGlvbi4KPj4+Pj4KPj4+Pj4gTXkga25vd2xlZGdl IGlzIHF1aXRlIGxpbWl0ZWQgaW4gdGhpcyBhcmVhLiBTbyBJIGFtIG5vdCBzdXJlIGhvdyB3ZSBj YW4KPj4+Pj4gc29sdmUgdGhlIHByb2JsZW0uCj4+Pj4+Cj4+Pj4+IEkgd291bGQgYXBwcmVjaWF0 ZSBpZiBzb21lb25lIGNvdWxkIHByb3ZpZGUgaW5wdXQgb2YgdG8gZml4IHRoZSBtYXBwaW5nLgo+ Pj4+IEkgZG9uJ3Qga25vdyB0aGUgYmFsbG9vbiBkcml2ZXIsIHNvIEkgZG9uJ3Qga25vdyB3aHkg aXQgd2FzIGRvaW5nIHRoaXMsCj4+Pj4gYnV0IHdoYXQgaXQgd2FzIGRvaW5nIHdhcyBXcm9uZyBh bmQgaGFzIGJlZW4gc2luY2UgMjAxNCB3aXRoOgo+Pj4+Cj4+Pj4gY29tbWl0IGQ2ZDg2YzBhN2Y4 ZGRjNWIzOGNmMDg5MjIyY2IxZDk1NDA3NjJkYzIKPj4+PiBBdXRob3I6IEtvbnN0YW50aW4gS2hs ZWJuaWtvdiA8ay5raGxlYm5pa292QHNhbXN1bmcuY29tPgo+Pj4+IERhdGU6ICAgVGh1IE9jdCA5 IDE1OjI5OjI3IDIwMTQgLTA3MDAKPj4+Pgo+Pj4+ICAgICBtbS9iYWxsb29uX2NvbXBhY3Rpb246 IHJlZGVzaWduIGJhbGxvb25lZCBwYWdlcyBtYW5hZ2VtZW50Cj4+Pj4KPj4+PiBJZiBiYWxsb29u ZWQgcGFnZXMgYXJlIHN1cHBvc2VkIHRvIGJlIG1hcHBlZCBpbnRvIHVzZXJzcGFjZSwgeW91IGNh bid0IG1hcmsKPj4+PiB0aGVtIGFzIGJhbGxvb25lZCBwYWdlcyB1c2luZyB0aGUgbWFwY291bnQg ZmllbGQuCj4+Pj4KPj4+IEFza2luZyBteXNlbGYgd2h5IGFueWJvZHkgd291bGQgd2FudCB0byBt YXAgYmFsbG9vbiBpbmZsYXRlZCBwYWdlcyBpbnRvCj4+PiB1c2VyIHNwYWNlICh0aGlzIGp1c3Qg c291bmRzIHBsYWluIHdyb25nIGJ1dCBteSB1bmRlcnN0YW5kaW5nIHRvIHdoYXQKPj4+IFhFTiBi YWxsb29uIGRyaXZlciBkb2VzIG1pZ2h0IGJlIGxpbWl0ZWQpLCBidXQgSSBhc3N1bWUgdGhlIGVh c3kgZml4Cj4+PiB3b3VsZCBiZSB0byByZXZlcnQKPj4gSSBzdXNwZWN0IHRoZSBidWcgaGVyZSBp cyB0aGF0IHRoZSBiYWxsb29uIGRyaXZlciBpcyAoYWIpdXNlZCBmb3IgYQo+PiBzZWNvbmQgcHVy cG9zZQo+IFllcy4gQW5kIGl0cyBuYW1lIGlzIGFsbG9jX3hlbmJhbGxvb25lZF9wYWdlcygpLgoK RldJVywgSSBkaWQgZXhwcmVzcyBteSB2aWV3cyB0aGF0IHRoaXMgd2FzIGEgQmFkSWRlYSh0bSkg d2hlbiB0aGF0IGxvZ2ljCndhcyBmaXJzdCBpbnRyb2R1Y2VkLgoKQnV0IHllcyAtIG5vdyBpcyBj bGVhcmx5IHRoZSB0aW1lIHRvIGZpeCB0aGlzIHByb3Blcmx5LgoKfkFuZHJldwoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9q ZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==