From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= Subject: Re: [PATCH V3 27/29] x86/vvtd: Enable Queued Invalidation through GCMD Date: Fri, 20 Oct 2017 11:30:48 +0100 Message-ID: <20171020103048.pjrzgb4hjockhunq@dhcp-3-128.uk.xensource.com> References: <1506049330-11196-1-git-send-email-tianyu.lan@intel.com> <1506049330-11196-28-git-send-email-tianyu.lan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1506049330-11196-28-git-send-email-tianyu.lan@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Lan Tianyu Cc: andrew.cooper3@citrix.com, kevin.tian@intel.com, Chao Gao , jbeulich@suse.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBTZXAgMjEsIDIwMTcgYXQgMTE6MDI6MDhQTSAtMDQwMCwgTGFuIFRpYW55dSB3cm90 ZToKPiBGcm9tOiBDaGFvIEdhbyA8Y2hhby5nYW9AaW50ZWwuY29tPgo+IAo+IFNvZnR3YXJlIHdy aXRlcyB0byBRSUUgZmllbGQgb2YgR0NNRCB0byBlbmFibGUgb3IgZGlzYWJsZSBxdWV1ZWQKPiBp bnZhbGlkYXRpb25zLiBUaGlzIHBhdGNoIGVtdWxhdGVzIFFJRSBmaWVsZCBvZiBHQ01ELgo+IAo+ IFNpZ25lZC1vZmYtYnk6IENoYW8gR2FvIDxjaGFvLmdhb0BpbnRlbC5jb20+Cj4gU2lnbmVkLW9m Zi1ieTogTGFuIFRpYW55dSA8dGlhbnl1LmxhbkBpbnRlbC5jb20+Cj4gLS0tCj4gIHhlbi9kcml2 ZXJzL3Bhc3N0aHJvdWdoL3Z0ZC9pb21tdS5oIHwgIDMgKystCj4gIHhlbi9kcml2ZXJzL3Bhc3N0 aHJvdWdoL3Z0ZC92dnRkLmMgIHwgMTcgKysrKysrKysrKysrKysrKysKPiAgMiBmaWxlcyBjaGFu Z2VkLCAxOSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL3hl bi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3Z0ZC9pb21tdS5oIGIveGVuL2RyaXZlcnMvcGFzc3Rocm91 Z2gvdnRkL2lvbW11LmgKPiBpbmRleCBlMTliMDQ1Li5jNjljZDIxIDEwMDY0NAo+IC0tLSBhL3hl bi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3Z0ZC9pb21tdS5oCj4gKysrIGIveGVuL2RyaXZlcnMvcGFz c3Rocm91Z2gvdnRkL2lvbW11LmgKPiBAQCAtMTYyLDcgKzE2Miw4IEBACj4gICNkZWZpbmUgRE1B X0dTVFNfRkxTICAgICgoKHU2NCkxKSA8PCAyOSkKPiAgI2RlZmluZSBETUFfR1NUU19BRkxTICAg KCgodTY0KTEpIDw8IDI4KQo+ICAjZGVmaW5lIERNQV9HU1RTX1dCRlMgICAoKCh1NjQpMSkgPDwg MjcpCj4gLSNkZWZpbmUgRE1BX0dTVFNfUUlFUyAgICgoKHU2NCkxKSA8PDI2KQo+ICsjZGVmaW5l IERNQV9HU1RTX1FJRVNfU0hJRlQgICAgIDI2Cj4gKyNkZWZpbmUgRE1BX0dTVFNfUUlFUyAgICgo KHU2NCkxKSA8PCBETUFfR1NUU19RSUVTX1NISUZUKQo+ICAjZGVmaW5lIERNQV9HU1RTX0lSRVNf U0hJRlQgICAgIDI1Cj4gICNkZWZpbmUgRE1BX0dTVFNfSVJFUyAgICgoKHU2NCkxKSA8PCBETUFf R1NUU19JUkVTX1NISUZUKQo+ICAjZGVmaW5lIERNQV9HU1RTX1NJUlRQU19TSElGVCAgIDI0Cj4g ZGlmZiAtLWdpdCBhL3hlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL3Z0ZC92dnRkLmMgYi94ZW4vZHJp dmVycy9wYXNzdGhyb3VnaC92dGQvdnZ0ZC5jCj4gaW5kZXggNzQ1OTQxYy4uNTVmN2E0NiAxMDA2 NDQKPiAtLS0gYS94ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC92dGQvdnZ0ZC5jCj4gKysrIGIveGVu L2RyaXZlcnMvcGFzc3Rocm91Z2gvdnRkL3Z2dGQuYwo+IEBAIC00OTYsNiArNDk2LDE5IEBAIHN0 YXRpYyB2b2lkIHZ2dGRfaGFuZGxlX2djbWRfaXJlKHN0cnVjdCB2dnRkICp2dnRkLCB1aW50MzJf dCB2YWwpCj4gICAgICB9Cj4gIH0KPiAgCj4gK3N0YXRpYyB2b2lkIHZ2dGRfaGFuZGxlX2djbWRf cWllKHN0cnVjdCB2dnRkICp2dnRkLCB1aW50MzJfdCB2YWwpCgpJIHdvdWxkIHVzZSAnd3JpdGUn IGludGVhZCBvZiAnaGFuZGxlJywgc2luY2UgdGhpcyBpcyBvbmx5IHVzZWQgYnkgdGhlCndyaXRl IHBhdGguCgpBbHNvIHlvdSBzaG91bGQgY29uc2lkZXIgZHJvcHBpbmcgdGhlIHZ2dGQgcHJlZml4 ZXMgZnJvbSB0aGUgc3RhdGljCmZ1bmN0aW9ucy4gSXQncyBxdWl0ZSBjbGVhciB0aGV5IGFyZSB2 dnRkIHJlbGF0ZWQsIGFuZCBzaW5jZSB0aGV5IGFyZQpzdGF0aWMgdGhlcmUncyBubyBuZWVkIHRv IGFkZCBzdWNoIGEgcHJlZml4LgoKPiArewo+ICsgICAgdnZ0ZF9pbmZvKCIlc2FibGUgUXVldWUg SW52YWxpZGF0aW9uIiwgKHZhbCAmIERNQV9HQ01EX1FJRSkgPyAiRW4iIDogIkRpcyIpOwo+ICsK PiArICAgIGlmICggdmFsICYgRE1BX0dDTURfUUlFICkKPiArICAgICAgICB2dnRkX3NldF9iaXQo dnZ0ZCwgRE1BUl9HU1RTX1JFRywgRE1BX0dTVFNfUUlFU19TSElGVCk7Cj4gKyAgICBlbHNlCj4g KyAgICB7Cj4gKyAgICAgICAgdnZ0ZF9zZXRfcmVnX3F1YWQodnZ0ZCwgRE1BUl9JUUhfUkVHLCAw KTsKPiArICAgICAgICB2dnRkX2NsZWFyX2JpdCh2dnRkLCBETUFSX0dTVFNfUkVHLCBETUFfR1NU U19RSUVTX1NISUZUKTsKPiArICAgIH0KPiArfQoKU2luY2UgSSd2ZSBzZWVuIHRoaXMgcGF0dGVy biBpbiBvdGhlciBmdW5jdGlvbnMsIGl0IG1pZ2h0IGJlIHdvcnRoCmFkZGluZyBhIGhlbHBlciB0 aGF0IGRvZXM6CgpWVlREX1NFVF9CSVQocmVnLCBiaXQsIHZhbCkKewogICAgaWYgKCB2YWwgKQog ICAgICAgIHNldF9iaXQoLi4uKTsKICAgIGVsc2UKICAgICAgICBjbGVhcl9iaXQoLi4uKTsKfQoK VGhlbiB0aGUgYWJvdmUgZnVuY3Rpb24gY291bGQgYmUgcmVkdWNlZCB0bzoKClZWVERfU0VUX0JJ VChyZWcsIGJpdCwgdmFsKTsKaWYgKCAhdmFsICkKICAgIHZ2dGRfc2V0X3JlZ19xdWFkKHZ2dGQs IERNQVJfSVFIX1JFRywgMCk7CgpJIGV4cGVjdCBvdGhlciBmdW5jdGlvbnMgY2FuIGFsc28gYmUg c2ltcGxpZmllZCBieSB0aGlzIG1hY3JvLgoKVGhhbmtzLCBSb2dlci4KCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=