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Mon, 10 Feb 2020 20:16:02 +0000 Date: Mon, 10 Feb 2020 20:16:00 +0000 From: Wei Liu To: Roger Pau Monne Message-ID: <20200210201600.56yvn7a6pmh4lhj7@debian> References: <20200210172829.43604-1-roger.pau@citrix.com> <20200210172829.43604-8-roger.pau@citrix.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200210172829.43604-8-roger.pau@citrix.com> User-Agent: NeoMutt/20180716 Subject: Re: [Xen-devel] [PATCH v4 7/7] x86/tlb: use Xen L0 assisted TLB flush when available X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, Wei Liu , Jan Beulich , Andrew Cooper Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gTW9uLCBGZWIgMTAsIDIwMjAgYXQgMDY6Mjg6MjlQTSArMDEwMCwgUm9nZXIgUGF1IE1vbm5l IHdyb3RlOgo+IFVzZSBYZW4ncyBMMCBIVk1PUF9mbHVzaF90bGJzIGh5cGVyY2FsbCBpbiBvcmRl ciB0byBwZXJmb3JtIGZsdXNoZXMuCj4gVGhpcyBncmVhdGx5IGluY3JlYXNlcyB0aGUgcGVyZm9y bWFuY2Ugb2YgVExCIGZsdXNoZXMgd2hlbiBydW5uaW5nCj4gd2l0aCBhIGhpZ2ggYW1vdW50IG9m IHZDUFVzIGFzIGEgWGVuIGd1ZXN0LCBhbmQgaXMgc3BlY2lhbGx5IGltcG9ydGFudAo+IHdoZW4g cnVubmluZyBpbiBzaGltIG1vZGUuCj4gCj4gVGhlIGZvbGxvd2luZyBmaWd1cmVzIGFyZSBmcm9t IGEgUFYgZ3Vlc3QgcnVubmluZyBgbWFrZSAtajMyIHhlbmAgaW4KPiBzaGltIG1vZGUgd2l0aCAz MiB2Q1BVcyBhbmQgSEFQLgo+IAo+IFVzaW5nIHgyQVBJQyBhbmQgQUxMQlVUIHNob3J0aGFuZDoK PiByZWFsCTRtMzUuOTczcwo+IHVzZXIJNG0zNS4xMTBzCj4gc3lzCTM2bTI0LjExN3MKPiAKPiBV c2luZyBMMCBhc3Npc3RlZCBmbHVzaDoKPiByZWFsICAgIDFtMi41OTZzCj4gdXNlciAgICA0bTM0 LjgxOHMKPiBzeXMgICAgIDVtMTYuMzc0cwo+IAo+IFRoZSBpbXBsZW1lbnRhdGlvbiBhZGRzIGEg bmV3IGhvb2sgdG8gaHlwZXJ2aXNvcl9vcHMgc28gb3RoZXIKPiBlbmxpZ2h0ZW5tZW50cyBjYW4g YWxzbyBpbXBsZW1lbnQgc3VjaCBhc3Npc3RlZCBmbHVzaCBqdXN0IGJ5IGZpbGxpbmcKPiB0aGUg aG9vay4gTm90ZSB0aGF0IHRoZSBYZW4gaW1wbGVtZW50YXRpb24gY29tcGxldGVseSBpZ25vcmVz IHRoZQo+IGRpcnR5IENQVSBtYXNrIGFuZCB0aGUgbGluZWFyIGFkZHJlc3MgcGFzc2VkIGluLCBh bmQgYWx3YXlzIHBlcmZvcm1zIGEKPiBnbG9iYWwgVExCIGZsdXNoIG9uIGFsbCB2Q1BVcy4KPiAK PiBTaWduZWQtb2ZmLWJ5OiBSb2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4K ClJldmlld2VkLWJ5OiBXZWkgTGl1IDx3bEB4ZW4ub3JnPgoKT25lIHJlbWFyayBiZWxvdy4KClsu Li5dCj4gIGNvbnN0IHN0cnVjdCBoeXBlcnZpc29yX29wcyAqX19pbml0IHhnX3Byb2JlKHZvaWQp Cj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9zbXAuYyBiL3hlbi9hcmNoL3g4Ni9zbXAuYwo+ IGluZGV4IDY1ZWI3Y2JkYTguLjliYzkyNTYxNmEgMTAwNjQ0Cj4gLS0tIGEveGVuL2FyY2gveDg2 L3NtcC5jCj4gKysrIGIveGVuL2FyY2gveDg2L3NtcC5jCj4gQEAgLTE1LDYgKzE1LDcgQEAKPiAg I2luY2x1ZGUgPHhlbi9wZXJmYy5oPgo+ICAjaW5jbHVkZSA8eGVuL3NwaW5sb2NrLmg+Cj4gICNp bmNsdWRlIDxhc20vY3VycmVudC5oPgo+ICsjaW5jbHVkZSA8YXNtL2d1ZXN0Lmg+Cj4gICNpbmNs dWRlIDxhc20vc21wLmg+Cj4gICNpbmNsdWRlIDxhc20vbWMxNDY4MThydGMuaD4KPiAgI2luY2x1 ZGUgPGFzbS9mbHVzaHRsYi5oPgo+IEBAIC0yNTYsNiArMjU3LDE2IEBAIHZvaWQgZmx1c2hfYXJl YV9tYXNrKGNvbnN0IGNwdW1hc2tfdCAqbWFzaywgY29uc3Qgdm9pZCAqdmEsIHVuc2lnbmVkIGlu dCBmbGFncykKPiAgICAgIGlmICggKGZsYWdzICYgfkZMVVNIX09SREVSX01BU0spICYmCj4gICAg ICAgICAgICFjcHVtYXNrX3N1YnNldChtYXNrLCBjcHVtYXNrX29mKGNwdSkpICkKPiAgICAgIHsK PiArICAgICAgICBpZiAoIGNwdV9oYXNfaHlwZXJ2aXNvciAmJgo+ICsgICAgICAgICAgICAgIShm bGFncyAmIH4oRkxVU0hfVExCIHwgRkxVU0hfVExCX0dMT0JBTCB8IEZMVVNIX1ZBX1ZBTElEIHwK PiArICAgICAgICAgICAgICAgICAgICAgICAgIEZMVVNIX09SREVSX01BU0spKSAmJgo+ICsgICAg ICAgICAgICAgIWh5cGVydmlzb3JfZmx1c2hfdGxiKG1hc2ssIHZhLCBmbGFncyAmIEZMVVNIX09S REVSX01BU0spICkKCkkgd291bGQgbGlrZSBwYXNzIGluIHRoZSBmbGFnIGFzIGEgd2hvbGUgYmVj YXVzZSBIeXBlci1WIGhhcyB0aGUKY2FwYWJpbGl0eSB0byBmaW5lIHR1bmUgd2hhdCBnZXRzIGZs dXNoZWQuIEkgY2FuIHNlZSBGTFVTSF9UTEJfR0xPQkFMCmJlaW5nIHVzZWQgaW4gdGhhdCBzaXR1 YXRpb24uCgpUaGVyZSBpcyBubyBuZWVkIHRvIGNoYW5nZSB5b3VyIHBhdGNoIHRob3VnaC4gSSBj YW4gc3VibWl0IGEgcGF0Y2gKbXlzZWxmIHRvIGNoYW5nZSB0aGlzIGludGVyZmFjZSBvbmNlIHlv dXIgc2VyaWVzIGlzIGFjY2VwdGVkLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVu cHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZv L3hlbi1kZXZlbA==