From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH v5 1/4] VT-d PI: track the number of vcpus on pi blocking list Date: Thu, 31 Aug 2017 15:15:52 +0800 Message-ID: <20170831071549.GA46756@op-computing> References: <1502860478-84512-1-git-send-email-chao.gao@intel.com> <1502860478-84512-2-git-send-email-chao.gao@intel.com> <59A6FD510200007800175AFA@prv-mh.provo.novell.com> <20170830225744.GA7383@op-computing> <59A7DA1D0200007800175E83@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <59A7DA1D0200007800175E83@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: Andrew Cooper , Kevin Tian , Jun Nakajima , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBBdWcgMzEsIDIwMTcgYXQgMDE6NDI6NTNBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4+Pj4gT24gMzEuMDguMTcgYXQgMDA6NTcsIDxjaGFvLmdhb0BpbnRlbC5jb20+IHdyb3Rl Ogo+PiBPbiBXZWQsIEF1ZyAzMCwgMjAxNyBhdCAxMDowMDo0OUFNIC0wNjAwLCBKYW4gQmV1bGlj aCB3cm90ZToKPj4+Pj4+IE9uIDE2LjA4LjE3IGF0IDA3OjE0LCA8Y2hhby5nYW9AaW50ZWwuY29t PiB3cm90ZToKPj4+PiBAQCAtMTAwLDYgKzEwMSwyNCBAQCB2b2lkIHZteF9waV9wZXJfY3B1X2lu aXQodW5zaWduZWQgaW50IGNwdSkKPj4+PiAgICAgIHNwaW5fbG9ja19pbml0KCZwZXJfY3B1KHZt eF9waV9ibG9ja2luZywgY3B1KS5sb2NrKTsKPj4+PiAgfQo+Pj4+ICAKPj4+PiArc3RhdGljIHZv aWQgdm14X3BpX2FkZF92Y3B1KHN0cnVjdCBwaV9ibG9ja2luZ192Y3B1ICpwYnYsCj4+Pj4gKyAg ICAgICAgICAgICAgICAgICAgICAgICAgICBzdHJ1Y3Qgdm14X3BpX2Jsb2NraW5nX3ZjcHUgKnZw YnYpCj4+Pj4gK3sKPj4+PiArICAgIEFTU0VSVChzcGluX2lzX2xvY2tlZCgmdnBidi0+bG9jaykp Owo+Pj4KPj4+WW91IHJlYWxpemUgdGhpcyBpcyBvbmx5IGEgdmVyeSB3ZWFrIGNoZWNrIGZvciBh IG5vbi1yZWN1cnNpdmUgbG9jaz8KPj4gCj4+IEkganVzdCB0aG91Z2h0IHRoZSBsb2NrIHNob3Vs ZCBiZSBoZWxkIHdoZW4gYWRkaW5nIG9uZSBlbnRyeSB0byB0aGUKPj4gYmxvY2tpbmcgbGlzdC4g RG8geW91IHRoaW5rIHdlIHNob3VsZCByZW1vdmUgdGhpcyBjaGVjayBvciBtYWtlIGl0Cj4+IHN0 cmljdGVyPwo+Cj5XZWxsLCB0aGUgcHJpbWFyeSBwdXJwb3NlIG9mIG15IGNvbW1lbnQgd2FzIHRv IG1ha2UgeW91IGF3YXJlCj5vZiB0aGUgZmFjdC4gSWYgdGhlIHdlYWsgY2hlY2sgaXMgZ29vZCBl bm91Z2ggZm9yIHlvdSwgdGhlbiBmaW5lLgoKVG8gYmUgaG9uZXN0LCBJIGRvbid0IGtub3cgdGhl IGRpZmZlcmVuY2UgYmV0d2VlbiB3ZWFrIGNoZWNrIGFuZCB0aWdodApjaGVjay4KCj5SZW1vdmlu ZyB0aGUgY2hlY2sgd291bGQgYmUgYSBiYWQgaWRlYSBpbW8gKGJ1dCBzZWUgYWxzbyBiZWxvdyk7 Cj50aWdodGVuaW5nIG1pZ2h0IGJlIHdvcnRod2hpbGUsIGJ1dCBtaWdodCBhbHNvIGdvIHRvbyBm YXIgKGRlcGVuZGluZwo+bWFpbmx5IG9uIGhvdyBjbGVhcmx5IHByb3ZhYmxlIGl0IGlzIHRoYXQg YWxsIGNhbGxlcnMgYWN0dWFsbHkgaG9sZCB0aGUKPmxvY2spLgoKSU1PLCB0aGUgbG9jayB3YXMg aW50cm9kdWNlZCAobm90IGJ5IG1lKSB0byBwcm90ZWN0IHRoZSBibG9ja2luZyBsaXN0LgpsaXN0 X2FkZCgpIGFuZCBsaXN0X2RlbCgpIHNob3VsZCBiZSBwZXJmb3JtZWQgd2l0aCB0aGUgbG9jayBo ZWxkLiBTbyBJCnRoaW5rIGl0IGlzIGNsZWFyIHRoYXQgYWxsIGNhbGxlcnMgc2hvdWxkIGhvbGQg dGhlIGxvY2suCgo+Cj4+Pj4gKyAgICBhZGRfc2l6ZWQoJnZwYnYtPmNvdW50ZXIsIDEpOwo+Pj4+ ICsgICAgQVNTRVJUKHJlYWRfYXRvbWljKCZ2cGJ2LT5jb3VudGVyKSk7Cj4+Pgo+Pj5XaHkgYWRk X3NpemVkKCkgYW5kIHJlYWRfYXRvbWljKCkgd2hlbiB5b3UgaG9sZCB0aGUgbG9jaz8KPj4+Cj4+ IAo+PiBJbiBwYXRjaCAzLCBmcmVxdWVudCByZWFkaW5nIHRoZSBjb3VudGVyIGlzIHVzZWQgdG8g ZmluZCBhIHN1aXRhYmxlCj4+IHZjcHUgYW5kIHdlIGNhbiB1c2UgYWRkX3NpemVkKCkgYW5kIHJl YWRfYXRvbWljKCkgdG8gYXZvaWQgYWNxdWlyaW5nIHRoZQo+PiBsb2NrLiBJbiBvbmUgd29yZCwg dGhlIGxvY2sgZG9lc24ndCBwcm90ZWN0IHRoZSBjb3VudGVyLgo+Cj5JbiB0aGF0IGNhc2UgaXQg d291bGQgYmUgbW9yZSBuYXR1cmFsIHRvIHN3aXRjaCB0byB0aGUgYXRvbWljCj5hY2Nlc3NlcyB0 aGVyZS4gUGx1cyB5b3Ugc3RpbGwgd291bGRuJ3QgbmVlZCByZWFkX2F0b21pYygpCj5oZXJlLCB3 aXRoIHRoZSBsb2NrIGhlbGQuIEZ1cnRoZXJtb3JlIEkgd291bGQgdGhlbiB3b25kZXIKPndoZXRo ZXIgaXQgd2Fzbid0IGJldHRlciB0byB1c2UgYXRvbWljX3QgZm9yIHRoZSBjb3VudGVyIGF0CgpJ cyB0aGVyZSBzb21lIGJhc2ljIGd1aWRlIG9uIHdoZW4gaXQgaXMgYmV0dGVyIHRvIHVzZSByZWFk X2F0b21pYygpCmFuZCBhZGRfc2l6ZWQoKSBhbmQgd2hlbiBpdCBpcyBiZXR0ZXIgdG8gZGVmaW5l IGEgYXRvbWljIHZhcmlhYmxlCmRpcmVjdGx5PwoKPnRoYXQgcG9pbnQuIEFsc28gd2l0aCBhIGxv Y2stbGVzcyByZWFkZXJzIHRoZSByZXF1aXJlbWVudCB0bwo+aG9sZCBhIGxvY2sgaGVyZSAocmF0 aGVyIHRoYW4gdXNpbmcgc3VpdGFibGUgTE9DS2VkIGFjY2Vzc2VzKQo+YmVjb21lcyBxdWVzdGlv bmFibGUgdG9vLgoKQXMgSSBzYWlkIGFib3ZlLCBJIHRoaW5rIHRoZSBsb2NrIGlzIHVzZWQgdG8g cHJvdGVjdCB0aGUgbGlzdC4KCkkgdGhpbmsgdGhpcyBwYXRjaCBoYXMgdHdvIHBhcnRzOgoxLiBN b3ZlIGFsbCBsaXN0IG9wZXJhdGlvbnMgdG8gdHdvIGlubGluZSBmdW5jdGlvbnMuICh3aXRoIHRo aXMsIGFkZGluZwphIGNvdW50ZXIgaXMgZWFzaWVyIGFuZCBkb24ndCBuZWVkIGFkZCBjb2RlIGlu IHNldmVyYWwgcGxhY2VzLikKCjIuIEFkZCBhIGNvdW50ZXIuCgpUaGFua3MKQ2hhbwoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==