From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH] swiotlb-xen: update dev_addr after swapping pages Date: Thu, 19 Jan 2017 18:58:46 -0500 Message-ID: <11259b25-15ae-332c-9cdf-1ca16a29a13a@oracle.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cUMbQ-0000gg-Jc for xen-devel@lists.xenproject.org; Thu, 19 Jan 2017 23:58:48 +0000 In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini , xen-devel@lists.xenproject.org Cc: jgross@suse.com, Pooya.Keshavarzi@de.bosch.com, konrad.wilk@oracle.com List-Id: xen-devel@lists.xenproject.org T24gMDEvMTkvMjAxNyAwMTozOSBQTSwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+IEluIHhl bl9zd2lvdGxiX21hcF9wYWdlIGFuZCB4ZW5fc3dpb3RsYl9tYXBfc2dfYXR0cnMsIGlmIHRoZSBv cmlnaW5hbAo+IHBhZ2UgaXMgbm90IHN1aXRhYmxlLCB3ZSBzd2FwIGl0IGZvciBhbm90aGVyIHBh Z2UgZnJvbSB0aGUgc3dpb3RsYiAKPiBwb29sLgo+Cj4gSW4gdGhlc2UgY2FzZXMsIHdlIGRvbid0 IHVwZGF0ZSB0aGUgcHJldmlvdXNseSBjYWxjdWxhdGVkIGRtYSBhZGRyZXNzCj4gZm9yIHRoZSBw YWdlIGJlZm9yZSBjYWxsaW5nIHhlbl9kbWFfbWFwX3BhZ2UuIFRodXMsIHdlIGVuZCB1cCBjYWxs aW5nCj4geGVuX2RtYV9tYXBfcGFnZSBwYXNzaW5nIHRoZSB3cm9uZyBkZXZfYWRkciwgcmVzdWx0 aW5nIGluCj4geGVuX2RtYV9tYXBfcGFnZSBtaXN0YWtlbmx5IGFzc3VtaW5nIHRoYXQgdGhlIHBh Z2UgaXMgZm9yZWlnbiB3aGVuIGl0IGlzCj4gbG9jYWwuCj4KPiBGaXggdGhlIGJ1ZyBieSB1cGRh dGluZyBkZXZfYWRkciBhcHByb3ByaWF0ZWx5Lgo+Cj4gVGhpcyBjaGFuZ2UgaGFzIG5vIGVmZmVj dCBvbiB4ODYsIGJlY2F1c2UgeGVuX2RtYV9tYXBfcGFnZSBpcyBhIHN0dWIKPiB0aGVyZS4KPgo+ IFNpZ25lZC1vZmYtYnk6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3N0YWJlbGxpbmlAa2VybmVsLm9y Zz4KPiBTaWduZWQtb2ZmLWJ5OiBQb295YSBLZXNoYXZhcnppIDxQb295YS5LZXNoYXZhcnppQGRl LmJvc2NoLmNvbT4KPiBUZXN0ZWQtYnk6IFBvb3lhIEtlc2hhdmFyemkgPFBvb3lhLktlc2hhdmFy emlAZGUuYm9zY2guY29tPgoKUmV2aWV3ZWQtYnk6IEJvcmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0 cm92c2t5QG9yYWNsZS5jb20+Cgo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMveGVuL3N3aW90bGIt eGVuLmMgYi9kcml2ZXJzL3hlbi9zd2lvdGxiLXhlbi5jCj4gaW5kZXggZjkwNWQ2ZS4uZjhhZmM2 ZCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3hlbi9zd2lvdGxiLXhlbi5jCj4gKysrIGIvZHJpdmVy cy94ZW4vc3dpb3RsYi14ZW4uYwo+IEBAIC00MTQsOSArNDE0LDkgQEAgZG1hX2FkZHJfdCB4ZW5f c3dpb3RsYl9tYXBfcGFnZShzdHJ1Y3QgZGV2aWNlICpkZXYsIHN0cnVjdCBwYWdlICpwYWdlLAo+ ICAJaWYgKG1hcCA9PSBTV0lPVExCX01BUF9FUlJPUikKPiAgCQlyZXR1cm4gRE1BX0VSUk9SX0NP REU7Cj4gIAo+ICsJZGV2X2FkZHIgPSB4ZW5fcGh5c190b19idXMobWFwKTsKPiAgCXhlbl9kbWFf bWFwX3BhZ2UoZGV2LCBwZm5fdG9fcGFnZShtYXAgPj4gUEFHRV9TSElGVCksCj4gIAkJCQkJZGV2 X2FkZHIsIG1hcCAmIH5QQUdFX01BU0ssIHNpemUsIGRpciwgYXR0cnMpOwo+IC0JZGV2X2FkZHIg PSB4ZW5fcGh5c190b19idXMobWFwKTsKPiAgCj4gIAkvKgo+ICAJICogRW5zdXJlIHRoYXQgdGhl IGFkZHJlc3MgcmV0dXJuZWQgaXMgRE1BJ2JsZQo+IEBAIC01NzUsMTMgKzU3NSwxNCBAQCB2b2lk IHhlbl9zd2lvdGxiX3VubWFwX3BhZ2Uoc3RydWN0IGRldmljZSAqaHdkZXYsIGRtYV9hZGRyX3Qg ZGV2X2FkZHIsCgpJbnRlcmVzdGluZyB0aGF0IGdpdCBkaWZmIHBpY2tlZCB4ZW5fc3dpb3RsYl91 bm1hcF9wYWdlKCkgaGVyZSBpbnN0ZWFkCm9mIHhlbl9zd2lvdGxiX21hcF9zZ19hdHRycygpCgot Ym9yaXMKCiAKCj4gIAkJCQlzZ19kbWFfbGVuKHNnbCkgPSAwOwo+ICAJCQkJcmV0dXJuIDA7Cj4g IAkJCX0KPiArCQkJZGV2X2FkZHIgPSB4ZW5fcGh5c190b19idXMobWFwKTsKPiAgCQkJeGVuX2Rt YV9tYXBfcGFnZShod2RldiwgcGZuX3RvX3BhZ2UobWFwID4+IFBBR0VfU0hJRlQpLAo+ICAJCQkJ CQlkZXZfYWRkciwKPiAgCQkJCQkJbWFwICYgflBBR0VfTUFTSywKPiAgCQkJCQkJc2ctPmxlbmd0 aCwKPiAgCQkJCQkJZGlyLAo+ICAJCQkJCQlhdHRycyk7Cj4gLQkJCXNnLT5kbWFfYWRkcmVzcyA9 IHhlbl9waHlzX3RvX2J1cyhtYXApOwo+ICsJCQlzZy0+ZG1hX2FkZHJlc3MgPSBkZXZfYWRkcjsK PiAgCQl9IGVsc2Ugewo+ICAJCQkvKiB3ZSBhcmUgbm90IGludGVyZXN0ZWQgaW4gdGhlIGRtYV9h ZGRyIHJldHVybmVkIGJ5Cj4gIAkJCSAqIHhlbl9kbWFfbWFwX3BhZ2UsIG9ubHkgaW4gdGhlIHBv dGVudGlhbCBjYWNoZSBmbHVzaGVzIGV4ZWN1dGVkCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==