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spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iwTfD-0006rN-QW; Tue, 28 Jan 2020 16:24:31 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iwTfC-0006r0-D7 for xen-devel@lists.xenproject.org; Tue, 28 Jan 2020 16:24:30 +0000 X-Inumbo-ID: a7b0a5bc-41ea-11ea-872c-12813bfff9fa Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id a7b0a5bc-41ea-11ea-872c-12813bfff9fa; Tue, 28 Jan 2020 16:24:28 +0000 (UTC) Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iwTf9-0004YN-M8; Tue, 28 Jan 2020 16:24:27 +0000 Received: from 41.142.6.51.dyn.plus.net ([51.6.142.41] helo=debian) by xenbits.xenproject.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iwTf9-00082F-Cm; Tue, 28 Jan 2020 16:24:27 +0000 Date: Tue, 28 Jan 2020 16:24:24 +0000 From: Wei Liu To: Roger Pau =?utf-8?B?TW9ubsOp?= Message-ID: <20200128162424.2typsfo76l7655sc@debian> References: <20200127181115.82709-1-roger.pau@citrix.com> <20200127181115.82709-8-roger.pau@citrix.com> <20200128141736.223qryuo3p2ss4ma@debian> <20200128145704.GQ57924@desktop-tdan49n.eng.citrite.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200128145704.GQ57924@desktop-tdan49n.eng.citrite.net> User-Agent: NeoMutt/20180716 Subject: Re: [Xen-devel] [PATCH v3 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 , Andrew Cooper Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVHVlLCBKYW4gMjgsIDIwMjAgYXQgMDM6NTc6MDRQTSArMDEwMCwgUm9nZXIgUGF1IE1vbm7D qSB3cm90ZToKPiBPbiBUdWUsIEphbiAyOCwgMjAyMCBhdCAwMjoxNzozNlBNICswMDAwLCBXZWkg TGl1IHdyb3RlOgo+ID4gT24gTW9uLCBKYW4gMjcsIDIwMjAgYXQgMDc6MTE6MTVQTSArMDEwMCwg Um9nZXIgUGF1IE1vbm5lIHdyb3RlOgo+ID4gWy4uLl0KPiA+ID4gIAo+ID4gPiAgY29uc3Qgc3Ry dWN0IGh5cGVydmlzb3Jfb3BzICpfX2luaXQgeGdfcHJvYmUodm9pZCkKPiA+ID4gZGlmZiAtLWdp dCBhL3hlbi9hcmNoL3g4Ni9zbXAuYyBiL3hlbi9hcmNoL3g4Ni9zbXAuYwo+ID4gPiBpbmRleCA2 NWViN2NiZGE4Li45YmM5MjU2MTZhIDEwMDY0NAo+ID4gPiAtLS0gYS94ZW4vYXJjaC94ODYvc21w LmMKPiA+ID4gKysrIGIveGVuL2FyY2gveDg2L3NtcC5jCj4gPiA+IEBAIC0xNSw2ICsxNSw3IEBA Cj4gPiA+ICAjaW5jbHVkZSA8eGVuL3BlcmZjLmg+Cj4gPiA+ICAjaW5jbHVkZSA8eGVuL3NwaW5s b2NrLmg+Cj4gPiA+ICAjaW5jbHVkZSA8YXNtL2N1cnJlbnQuaD4KPiA+ID4gKyNpbmNsdWRlIDxh c20vZ3Vlc3QuaD4KPiA+ID4gICNpbmNsdWRlIDxhc20vc21wLmg+Cj4gPiA+ICAjaW5jbHVkZSA8 YXNtL21jMTQ2ODE4cnRjLmg+Cj4gPiA+ICAjaW5jbHVkZSA8YXNtL2ZsdXNodGxiLmg+Cj4gPiA+ IEBAIC0yNTYsNiArMjU3LDE2IEBAIHZvaWQgZmx1c2hfYXJlYV9tYXNrKGNvbnN0IGNwdW1hc2tf dCAqbWFzaywgY29uc3Qgdm9pZCAqdmEsIHVuc2lnbmVkIGludCBmbGFncykKPiA+ID4gICAgICBp ZiAoIChmbGFncyAmIH5GTFVTSF9PUkRFUl9NQVNLKSAmJgo+ID4gPiAgICAgICAgICAgIWNwdW1h c2tfc3Vic2V0KG1hc2ssIGNwdW1hc2tfb2YoY3B1KSkgKQo+ID4gPiAgICAgIHsKPiA+ID4gKyAg ICAgICAgaWYgKCBjcHVfaGFzX2h5cGVydmlzb3IgJiYKPiA+ID4gKyAgICAgICAgICAgICAhKGZs YWdzICYgfihGTFVTSF9UTEIgfCBGTFVTSF9UTEJfR0xPQkFMIHwgRkxVU0hfVkFfVkFMSUQgfAo+ ID4gPiArICAgICAgICAgICAgICAgICAgICAgICAgIEZMVVNIX09SREVSX01BU0spKSAmJgo+ID4g PiArICAgICAgICAgICAgICFoeXBlcnZpc29yX2ZsdXNoX3RsYihtYXNrLCB2YSwgZmxhZ3MgJiBG TFVTSF9PUkRFUl9NQVNLKSApCj4gPiA+ICsgICAgICAgIHsKPiA+ID4gKyAgICAgICAgICAgIGlm ICggdGxiX2Nsa19lbmFibGVkICkKPiA+ID4gKyAgICAgICAgICAgICAgICB0bGJfY2xrX2VuYWJs ZWQgPSBmYWxzZTsKPiA+IAo+ID4gWW91IG1heSBkZWxldGUgdGhlIGlmIGhlcmUgdG8gbWFrZSB0 aGUgZ2VuZXJhdGVkIG1hY2hpbmUgY29kZSBzaG9ydGVyLgo+IAo+IEhtLCBidXQgdGxiX2Nsa19l bmFibGVkIGlzIG1hcmtlZCBhcyByZWFkX21vc3RseSwgd2hpY2ggd29uJ3QgYmUgdHJ1ZQo+IHRo ZW4sIGFuZCB3b3VsZCBsaWtlbHkgaGF2ZSBhIHBlcmZvcm1hbmNlIGltcGFjdC4KCk9LLiBGYWly IGVub3VnaC4KCj4gCj4gPiBPT0kgd2h5IGlzbid0IHRsYl9jbGtfZW5hYmxlZCBzZXQgdG8gZmFs c2Ugd2hlbiBYZW4gZGV0ZXJtaW5lcyB0byB1c2UgTDAKPiA+IGFzc2lzdGVkIGZsdXNoPwo+IAo+ IEwwIGFzc2lzdGVkIGZsdXNoIGNhbiBmYWlsIChpZTogcmV0dXJuIGFuIGVycm9yKSwgYW5kIGlu IHRoYXQgY2FzZSBYZW4KPiB3b3VsZCBiZSBiZXR0ZXIgdG8gY29udGludWUgdXNpbmcgdGhlIHRp bWVzdGFtcGVkIHRsYiwgYXMgaXQgY291bGQKPiBhdm9pZCBzb21lIGZsdXNoZXMuCgpEbyB5b3Ug bmVlZCB0byBzZXQgdGxiX2Nsa19lbmFibGVkIGluIHRoYXQgY2FzZT8KCldlaS4KCj4gCj4gVGhh bmtzLCBSb2dlci4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=