From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v7 05/11] IOMMU/MMU: propagate IOMMU Device-TLB flush error up to iommu_iotlb_flush{, _all} (top level ones) Date: Thu, 9 Jun 2016 13:08:20 +0100 Message-ID: <57595C34.3000104@arm.com> References: <1465376344-28290-1-git-send-email-quan.xu@intel.com> <1465376344-28290-6-git-send-email-quan.xu@intel.com> <57594F1F.6080401@arm.com> <5759731702000078000F3671@prv-mh.provo.novell.com> <57595B15.9020308@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <57595B15.9020308@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Kevin Tian , Stefano Stabellini , Steve Capper , dario.faggioli@citrix.com, xen-devel@lists.xen.org, Quan Xu List-Id: xen-devel@lists.xenproject.org CgpPbiAwOS8wNi8xNiAxMzowMywgSnVsaWVuIEdyYWxsIHdyb3RlOgo+IE9uIDA5LzA2LzE2IDEy OjQ1LCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4gT24gMDkuMDYuMTYgYXQgMTM6MTIsIDxqdWxp ZW4uZ3JhbGxAYXJtLmNvbT4gd3JvdGU6Cj4+PiBPbiAwOC8wNi8xNiAwOTo1OCwgWHUsIFF1YW4g d3JvdGU6Cj4+Pj4gRnJvbTogUXVhbiBYdSA8cXVhbi54dUBpbnRlbC5jb20+Cj4+Pj4KPj4+PiBT aWduZWQtb2ZmLWJ5OiBRdWFuIFh1IDxxdWFuLnh1QGludGVsLmNvbT4KPj4+PiBSZXZpZXdlZC1i eTogSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgo+Pj4+Cj4+Pj4gQ0M6IFN0ZWZhbm8g U3RhYmVsbGluaSA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4KPj4+PiBDQzogSnVsaWVuIEdyYWxs IDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT4KPj4+PiBDQzogSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1 c2UuY29tPgo+Pj4+IENDOiBLZXZpbiBUaWFuIDxrZXZpbi50aWFuQGludGVsLmNvbT4KPj4+PiAt LS0KPj4+PiAgICB4ZW4vYXJjaC9hcm0vcDJtLmMgICAgICAgICAgICAgICAgICB8ICA0ICsrKy0K Pj4+PiAgICB4ZW4vY29tbW9uL21lbW9yeS5jICAgICAgICAgICAgICAgICB8IDEyICsrKysrKysr KystLQo+Pj4+ICAgIHhlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL2lvbW11LmMgICAgIHwgMTMgKysr KysrKysrLS0tLQo+Pj4+ICAgIHhlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3g4Ni9pb21tdS5jIHwg IDUgKysrLS0KPj4+PiAgICB4ZW4vaW5jbHVkZS94ZW4vaW9tbXUuaCAgICAgICAgICAgICB8ICA1 ICsrKy0tCj4+Pj4gICAgNSBmaWxlcyBjaGFuZ2VkLCAyOCBpbnNlcnRpb25zKCspLCAxMSBkZWxl dGlvbnMoLSkKPj4+Pgo+Pj4+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vcDJtLmMgYi94ZW4v YXJjaC9hcm0vcDJtLmMKPj4+PiBpbmRleCA2YTE5YzU3Li42NWQ4ZjFhIDEwMDY0NAo+Pj4+IC0t LSBhL3hlbi9hcmNoL2FybS9wMm0uYwo+Pj4+ICsrKyBiL3hlbi9hcmNoL2FybS9wMm0uYwo+Pj4+ IEBAIC0xMTc4LDcgKzExNzgsOSBAQCBvdXQ6Cj4+Pj4gICAgICAgIGlmICggZmx1c2ggKQo+Pj4+ ICAgICAgICB7Cj4+Pj4gICAgICAgICAgICBmbHVzaF90bGJfZG9tYWluKGQpOwo+Pj4+IC0gICAg ICAgIGlvbW11X2lvdGxiX2ZsdXNoKGQsIHNnZm4sIGVnZm4gLSBzZ2ZuKTsKPj4+PiArICAgICAg ICByZXQgPSBpb21tdV9pb3RsYl9mbHVzaChkLCBzZ2ZuLCBlZ2ZuIC0gc2dmbik7Cj4+Pgo+Pj4g U29ycnkgZm9yIGNvbWluZyBsYXRlIGluIHRoZSBkaXNjdXNzaW9uLiBXaGF0IGtpbmQgb2YgZXJy b3IgZG8geW91Cj4+PiBleHBlY3QgdG8gcmV0dXJuIHdpdGggaW9tbXVfdGxiX2ZsdXNoPwo+Pj4K Pj4+IFRvZGF5IHRoZSBBUk0gU01NVSB3aWxsIGFsd2F5cyByZXR1cm4gMCBpZiB0aGUgVExCIGZs dXNoIHRpbWVvdXQgKHNlZQo+Pj4gYXJtX3NtbXVfdGxiX2ludl9jb250ZXh0KS4KPj4+Cj4+PiBX ZSBtYXkgd2FudCBpbiB0aGUgZnV0dXJlIHRvIHJldHVybiBhbiBlcnJvciB3aGVuIGl0IGhhcyB0 aW1lb3V0LAo+Pj4gaG93ZXZlciBvbmx5IHJldHVybmluZyBhbiBlcnJvciBpcyBub3Qgc2FmZSBh dCBhbGwuIFRoZSBUTEIgbWF5IGNvbnRhaW4KPj4+IGVudHJpZXMgd2hpY2ggYXJlIGludmFsaWQg KGJlY2F1c2Ugd2UgcmVtb3ZlIHRoZSBtYXBwaW5nIGVhcmxpZXIpIGFuZCBhCj4+PiBkZXZpY2Uv ZG9tYWluIGNvdWxkIHRha2UgYWR2YW50YWdlIG9mIHRoYXQuCj4+Pgo+Pj4gU28gSSBhbSBub3Qg c3VyZSBpZiB3ZSBzaG91bGQgbGV0IHJ1bm5pbmcgdGhlIGd1ZXN0IHdoZW4gYSBmbHVzaCBoYXMK Pj4+IHRpbWVvdXQuIEFueSB0aG91Z2h0cz8KPj4KPj4gV2VsbCwgZGlkIHlvdSBsb29rIGF0IHRo ZSByZXN0IG9mIHRoaXMgc2VyaWVzLCBhbmQgdGhlIG90aGVyIGRlcGVuZGVudAo+PiBvbmU/IEd1 ZXN0cyAob3RoZXIgdGhhbiBEb20wKSBnZXQgY3Jhc2hlZCB3aGVuIGEgZmx1c2ggdGltZXMgb3V0 LiBJCgpJIG1pc3NlZCB0aGUgYml0ICJvdGhlciBkZXBlbmRlbnQgb25lIi4gV2hpY2ggc2VyaWVz IGFyZSB5b3UgdGFsa2luZyAKYWJvdXQ/IFRoZSBjb3ZlciBsZXR0ZXIgZG9lcyBub3QgZ2l2ZSBh bnkgZGVwZW5kZW50IHNlcmllcy4uLgoKUmVnYXJkcywKCi0tIApKdWxpZW4gR3JhbGwKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==