From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v3] xen/balloon: Mark unallocated host memory as UNUSABLE Date: Mon, 26 Nov 2018 11:25:27 -0500 Message-ID: References: <1513778746-6155-1-git-send-email-boris.ostrovsky@oracle.com> <7c833e3a-4a0b-e80c-91e2-4348d6959651@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <7c833e3a-4a0b-e80c-91e2-4348d6959651@citrix.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Igor Druzhinin , xen-devel@lists.xen.org, linux-kernel@vger.kernel.org Cc: jgross@suse.com, helgaas@kernel.org, christian.koenig@amd.com, JBeulich@suse.com List-Id: xen-devel@lists.xenproject.org T24gMTEvMjUvMTggODowMCBQTSwgSWdvciBEcnV6aGluaW4gd3JvdGU6Cj4gT24gMjAvMTIvMjAx NyAxNDowNSwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+PiBDb21taXQgZjU3NzVlMGI2MTE2ICgi eDg2L3hlbjogZGlzY2FyZCBSQU0gcmVnaW9ucyBhYm92ZSB0aGUgbWF4aW11bQo+PiByZXNlcnZh dGlvbiIpIGxlZnQgaG9zdCBtZW1vcnkgbm90IGFzc2lnbmVkIHRvIGRvbTAgYXMgYXZhaWxhYmxl IGZvcgo+PiBtZW1vcnkgaG90cGx1Zy4KPj4KPj4gVW5mb3J0dW5hdGVseSB0aGlzIGFsc28gbWVh bnQgdGhhdCB0aG9zZSByZWdpb25zIGNvdWxkIGJlIHVzZWQgYnkKPj4gb3RoZXJzLiBTcGVjaWZp Y2FsbHksIGNvbW1pdCBmYTU2NGFkOTYzNjYgKCJ4ODYvUENJOiBFbmFibGUgYSA2NGJpdCBCQVIK Pj4gb24gQU1EIEZhbWlseSAxNWggKE1vZGVscyAwMC0xZiwgMzAtM2YsIDYwLTdmKSIpIG1heSB0 cnkgdG8gbWFwIHRob3NlCj4+IGFkZHJlc3NlcyBhcyBNTUlPLgo+Pgo+PiBUbyBwcmV2ZW50IHRo aXMgbWFyayB1bmFsbG9jYXRlZCBob3N0IG1lbW9yeSBhcyBFODIwX1RZUEVfVU5VU0FCTEUgKHRo dXMKPj4gZWZmZWN0aXZlbHkgcmV2ZXJ0aW5nIGY1Nzc1ZTBiNjExNikgYW5kIGtlZXAgdHJhY2sg b2YgdGhhdCByZWdpb24gYXMKPj4gYSBob3N0bWVtIHJlc291cmNlIHRoYXQgY2FuIGJlIHVzZWQg Zm9yIHRoZSBob3RwbHVnLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBCb3JpcyBPc3Ryb3Zza3kgPGJv cmlzLm9zdHJvdnNreUBvcmFjbGUuY29tPgo+IFRoaXMgY29tbWl0IGJyZWFrcyBYZW4gYmFsbG9v biBtZW1vcnkgaG90cGx1ZyBmb3IgdXMgaW4gRG9tMCB3aXRoCj4gImhvcGx1Z191bnBvcHVsYXRl ZCIgc2V0IHRvIDEuIFRoZSBpc3N1ZSBpcyB0aGF0IHRoZSBjb21tb24ga2VybmVsCj4gbWVtb3J5 IG9ubGluaW5nIHByb2NlZHVyZXMgcmVxdWlyZSAiU3lzdGVtIFJBTSIgcmVzb3VyY2UgdG8gYmUg MS1zdAo+IGxldmVsLiBUaGF0IG1lYW5zIGJ5IGluc2VydGluZyBpdCB1bmRlciAiVW51c2FibGUg bWVtb3J5IiBhcyB0aGUgY29tbWl0Cj4gYWJvdmUgZG9lcyAoaW50ZW50aW9uYWxseSBvciBub3Qp IHdlIG1ha2UgaXQgMi1uZCBsZXZlbCBhbmQgYnJlYWsgbWVtb3J5Cj4gb25saW5pbmcuCgpXaGF0 IGRvIHlvdSBtZWFuIGJ5IDFzdCBhbmQgMm5kIGxldmVsPwoKCgo+Cj4gVGhlcmUgYXJlIG11bHRp cGxlIHdheXMgdG8gZml4IGl0IGRlcGVuZGluZyBvbiB3aGF0IHdhcyB0aGUgaW50ZW50aW9uIG9m Cj4gb3JpZ2luYWwgY29tbWl0IGFuZCB3aGF0IGV4YWN0bHkgaXQgdHJpZWQgdG8gd29ya2Fyb3Vu ZC4gSXQgc2VlbXMgaXQKPiBkb2VzIHNldmVyYWwgdGhpbmdzIGF0IG9uY2U6Cj4gMSkgTWFya3Mg bm9uLURvbTAgaG9zdCBtZW1vcnkgIlVudXNhYmxlIG1lbW9yeSIgaW4gcmVzb3VyY2UgdHJlZS4K PiAyKSBLZWVwcyB0cmFjayBvZiBhbGwgdGhlIGFyZWFzIHNhZmUgZm9yIGhvdHBsdWcgaW4gRG9t MAo+IDMpIENoYW5nZXMgYWxsb2NhdGlvbiBhbGdvcml0aG1zIGl0c2VsZiBpbiBiYWxsb29uIGRy aXZlciB0byB1c2UgdGhvc2UgYXJlYXMKClByZXR0eSBtdWNoLiAoMykgaXMgdHJ1ZSBpbiB0aGUg c2Vuc2UgdGhhdCBtZW1vcnkgaXMgZmlyc3QgYWxsb2NhdGVkCmZyb20gaG9zdG1lbV9yZXNvdXJj ZSAod2hpY2ggaXMgbm9uLWRvbTAgUkFNKS4KCgo+Cj4gQXJlIGFsbCB0aGUgdGhpbmdzIGFib3Zl IG5lY2Vzc2FyeSB0byBjb3ZlciB0aGUgaXNzdWUgaW4gZmE1NjRhZDk2MzY2Cj4gKCJ4ODYvUENJ OiBFbmFibGUgYSA2NGJpdCBCQVIgb24gQU1EIEZhbWlseSAxNWggKE1vZGVscyAwMC0xZiwgMzAt M2YsCj4gNjAtN2YpIik/CgpOb3QgYW55bW9yZSwgYXMgZmFyIGFzIHRoYXQgcGFydGljdWxhciBj b21taXQgaXMgY29uY2VybmVkLCBidXQgdGhhdCdzCmJlY2F1c2Ugb2YgMDNhNTUxNzM0ICgieDg2 L1BDSTogTW92ZSBhbmQgc2hyaW5rIEFNRCA2NC1iaXQgd2luZG93IHRvCmF2b2lkIGNvbmZsaWN0 Iikgd2hpY2ggd2FzIGludHJvZHVjZWQgYWZ0ZXIgYmFsbG9vbiBwYXRjaC4gSUlSQyB0aGVyZQp3 ZXJlIHNvbWUgaXNzdWVzIHdpdGggZmE1NjRhZDk2MzY2dW5yZWxhdGVkIHRvIGJhbGxvb24uCgoK Pgo+IENhbiB3ZSByZW1vdmUgIlVudXNhYmxlIG1lbW9yeSIgcmVzb3VyY2VzIGFzIHNvb24gYXMg d2UgZmluaXNoZWQKPiBib290aW5nPyBJcyByZW1vdmluZyBvbi1kZW1hbmQgaXMgcHJlZmVyYWJs ZSBvdmVyICJzaG9vdCB0aGVtIGFsbCIgaW4KPiB0aGF0IGNhc2U/CgpUaGUgY29uY2VybiBpcyB0 aGF0IGluIHByaW5jaXBsZSBub3RoaW5nIHByZXZlbnRzIHNvbWVvbmUgZWxzZSB0byBkbwpleGFj dCBzYW1lIHRoaW5nIGZhNTY0YWQ5NjM2NiBkaWQsIHdoaWNoIGlzIGdyYWIgc29tZXRoaW5nIGZy b20gcmlnaHQKYWJvdmUgZW5kIG9mIFJBTSBhcyB0aGUga2VybmVsIHNlZXMgaXQuIEFuZCB0aGF0 IGNhbiBiZSBkb25lIGF0IGFueSBwb2ludC4KCgotYm9yaXMKCj4KPiBEb2VzIGl0IGV2ZW4gbWFr ZSBzZW5zZSB0byByZW1vdmUgdGhlIDEtc3QgbGV2ZWwgb25seSByZXN0cmljdGlvbiBpbgo+IGtl cm5lbC9yZXNvdXJjZS5jID8KCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94 ZW4tZGV2ZWw=