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 13:03:33 +0100 Message-ID: <57595B15.9020308@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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5759731702000078000F3671@prv-mh.provo.novell.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 CgpPbiAwOS8wNi8xNiAxMjo0NSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4gT24gMDkuMDYuMTYg YXQgMTM6MTIsIDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT4gd3JvdGU6Cj4+IE9uIDA4LzA2LzE2IDA5 OjU4LCBYdSwgUXVhbiB3cm90ZToKPj4+IEZyb206IFF1YW4gWHUgPHF1YW4ueHVAaW50ZWwuY29t Pgo+Pj4KPj4+IFNpZ25lZC1vZmYtYnk6IFF1YW4gWHUgPHF1YW4ueHVAaW50ZWwuY29tPgo+Pj4g UmV2aWV3ZWQtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KPj4+Cj4+PiBDQzog U3RlZmFubyBTdGFiZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgo+Pj4gQ0M6IEp1bGll biBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+Cj4+PiBDQzogSmFuIEJldWxpY2ggPGpiZXVs aWNoQHN1c2UuY29tPgo+Pj4gQ0M6IEtldmluIFRpYW4gPGtldmluLnRpYW5AaW50ZWwuY29tPgo+ Pj4gLS0tCj4+PiAgICB4ZW4vYXJjaC9hcm0vcDJtLmMgICAgICAgICAgICAgICAgICB8ICA0ICsr Ky0KPj4+ICAgIHhlbi9jb21tb24vbWVtb3J5LmMgICAgICAgICAgICAgICAgIHwgMTIgKysrKysr KysrKy0tCj4+PiAgICB4ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC9pb21tdS5jICAgICB8IDEzICsr KysrKysrKy0tLS0KPj4+ICAgIHhlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3g4Ni9pb21tdS5jIHwg IDUgKysrLS0KPj4+ICAgIHhlbi9pbmNsdWRlL3hlbi9pb21tdS5oICAgICAgICAgICAgIHwgIDUg KysrLS0KPj4+ICAgIDUgZmlsZXMgY2hhbmdlZCwgMjggaW5zZXJ0aW9ucygrKSwgMTEgZGVsZXRp b25zKC0pCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9wMm0uYyBiL3hlbi9hcmNo L2FybS9wMm0uYwo+Pj4gaW5kZXggNmExOWM1Ny4uNjVkOGYxYSAxMDA2NDQKPj4+IC0tLSBhL3hl bi9hcmNoL2FybS9wMm0uYwo+Pj4gKysrIGIveGVuL2FyY2gvYXJtL3AybS5jCj4+PiBAQCAtMTE3 OCw3ICsxMTc4LDkgQEAgb3V0Ogo+Pj4gICAgICAgIGlmICggZmx1c2ggKQo+Pj4gICAgICAgIHsK Pj4+ICAgICAgICAgICAgZmx1c2hfdGxiX2RvbWFpbihkKTsKPj4+IC0gICAgICAgIGlvbW11X2lv dGxiX2ZsdXNoKGQsIHNnZm4sIGVnZm4gLSBzZ2ZuKTsKPj4+ICsgICAgICAgIHJldCA9IGlvbW11 X2lvdGxiX2ZsdXNoKGQsIHNnZm4sIGVnZm4gLSBzZ2ZuKTsKPj4KPj4gU29ycnkgZm9yIGNvbWlu ZyBsYXRlIGluIHRoZSBkaXNjdXNzaW9uLiBXaGF0IGtpbmQgb2YgZXJyb3IgZG8geW91Cj4+IGV4 cGVjdCB0byByZXR1cm4gd2l0aCBpb21tdV90bGJfZmx1c2g/Cj4+Cj4+IFRvZGF5IHRoZSBBUk0g U01NVSB3aWxsIGFsd2F5cyByZXR1cm4gMCBpZiB0aGUgVExCIGZsdXNoIHRpbWVvdXQgKHNlZQo+ PiBhcm1fc21tdV90bGJfaW52X2NvbnRleHQpLgo+Pgo+PiBXZSBtYXkgd2FudCBpbiB0aGUgZnV0 dXJlIHRvIHJldHVybiBhbiBlcnJvciB3aGVuIGl0IGhhcyB0aW1lb3V0LAo+PiBob3dldmVyIG9u bHkgcmV0dXJuaW5nIGFuIGVycm9yIGlzIG5vdCBzYWZlIGF0IGFsbC4gVGhlIFRMQiBtYXkgY29u dGFpbgo+PiBlbnRyaWVzIHdoaWNoIGFyZSBpbnZhbGlkIChiZWNhdXNlIHdlIHJlbW92ZSB0aGUg bWFwcGluZyBlYXJsaWVyKSBhbmQgYQo+PiBkZXZpY2UvZG9tYWluIGNvdWxkIHRha2UgYWR2YW50 YWdlIG9mIHRoYXQuCj4+Cj4+IFNvIEkgYW0gbm90IHN1cmUgaWYgd2Ugc2hvdWxkIGxldCBydW5u aW5nIHRoZSBndWVzdCB3aGVuIGEgZmx1c2ggaGFzCj4+IHRpbWVvdXQuIEFueSB0aG91Z2h0cz8K Pgo+IFdlbGwsIGRpZCB5b3UgbG9vayBhdCB0aGUgcmVzdCBvZiB0aGlzIHNlcmllcywgYW5kIHRo ZSBvdGhlciBkZXBlbmRlbnQKPiBvbmU/IEd1ZXN0cyAob3RoZXIgdGhhbiBEb20wKSBnZXQgY3Jh c2hlZCB3aGVuIGEgZmx1c2ggdGltZXMgb3V0LiBJCj4gZ3Vlc3MgdGhhdCdzIHdoYXQgeW91IHdp bGwgd2FudCBvbiBBUk0gdGhlbiB0b28uCgpJIGhhdmUgZm91bmQgYSBjYWxsIHRvIGRvbWFpbl9j cmFzaCBpbiBpb21tdV9tYXBfcGFnZSBhbmQgCmlvbW11X3VubWFwX3BhZ2UuIEhvd2V2ZXIsIEkg aGF2ZSBub3QgZm91bmQgYW55IGZvciBpb21tdV90bGJfZmx1c2guCgppb21tdV91bm1hcF9wYWdl IGFuZCBpb21tdV9tYXBfcGFnZSBhcmUgbm90IGNhbGxlZCBpbiB0aGUgcDJtIGNvZGUgCmJlY2F1 c2UgdGhlIHBhZ2UgdGFibGUgYXJlIHNoYXJlZCB3aXRoIHRoZSBTTU1VLiBTbyBndWVzdCB3aWxs IG5vdCBiZSAKY3Jhc2hlZCBpZiB0aGUgdGltZW91dCBoYXMgZmFpbGVkLgoKUmVnYXJkcywKCi0t IApKdWxpZW4gR3JhbGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0 cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==