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d="scan'208";a="12202802" From: Andrew Cooper To: Xen-devel Date: Mon, 10 Feb 2020 11:42:06 +0000 Message-ID: <20200210114206.17115-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] x86/svm: Reduce vmentry latency 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: Andrew Cooper , Wei Liu , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" V3JpdGluZyB0byB0aGUgc3RhY2sgcG9pbnRlciBpbiB0aGUgbWlkZGxlIG9mIGEgbGluZSBvZiBw b3Agb3BlcmF0aW9ucyBpcwpzcGVjaWZpY2FsbHkgcmVjb21tZW5kZWQgYWdhaW5zdCBieSB0aGUg b3B0aW1pc2F0aW9uIGd1aWRlLCBhbmQgaXMgYSB0ZWNobmlxdWUKdXNlZCBieSBTcGVjdWxhdGl2 ZSBMb2FkIEhhcmRlbmluZyB0byBjb21iYXQgU3BlY3RyZVJTQi4KCkluIHByYWN0aWNlLCBpdCBj YXVzZXMgYWxsIGZ1cnRoZXIgc3RhY2stcmVsYXRpdmUgYWNjZXNzZXMgdG8gYmxvY2sgdW50aWwg dGhlCndyaXRlIHRvIHRoZSBzdGFjayBwb2ludGVyIHJldGlyZXMsIHNvIHRoZSBzdGFjayBlbmdp bmUgY2FuIGdldCBiYWNrIGluIHN5bmMuCgpQb3AgaW50byBhbnkgZGVhZCByZWdpc3RlciB0byBk aXNjYXJkICVyYXgncyB2YWx1ZSB3aXRob3V0IGNsb2JiZXJpbmcgdGhlCnN0YWNrIGVuZ2luZS4g IFNtYWxsZXIgY29tcGlsZWQgY29kZSwgYW5kIHJ1bnMgZmFzdGVyLgoKU2lnbmVkLW9mZi1ieTog QW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KLS0tCkNDOiBKYW4gQmV1 bGljaCA8SkJldWxpY2hAc3VzZS5jb20+CkNDOiBXZWkgTGl1IDx3bEB4ZW4ub3JnPgpDQzogUm9n ZXIgUGF1IE1vbm7DqSA8cm9nZXIucGF1QGNpdHJpeC5jb20+CgpJbiBhIHNtYWxsIHRlc3Qgd2hl cmUgSSB3aXJlZCBJQ0VCUCB0byB0aWdobHkgcmUtZW50ZXIgdGhlIGd1ZXN0LCB0aGlzIGRyb3Bw ZWQKdGhlIGd1ZXN0cyBwZXJ2aWNlZCB0aW1lIGZvciBJQ0VCUCAoYXMgY2xvc2UgdG8gb25lIHZt ZXhpdCBhbmQgZW50cnkgYXMgSQpjb3VsZCByZWFsaXN0aWNhbGx5IG1hbmFnZSkgYnkgMjAgdGlj a3MuICBTYWRseSwgdGhhdCBhbHNvIHNlZW1zIHRvIGJlIHRoZQpncmFudWFybGl0eSBvZiBtZWFz dXJlbWVudC4gIFRoZSBtb2RhbCBtZWFzdXJlbWVudCAoYWNjb3VudGluZyBmb3IgODAlIG9mCnNh bXBsZXMpIHdhcyAxMjAwIHRpY2tzLCBhbmQgcmVkdWNlZCB0byAxMTgwIHdpdGgganVzdCB0aGlz IGNoYW5nZSBpbiBwbGFjZS4KLS0tCiB4ZW4vYXJjaC94ODYvaHZtL3N2bS9lbnRyeS5TIHwgMiAr LQogMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0t Z2l0IGEveGVuL2FyY2gveDg2L2h2bS9zdm0vZW50cnkuUyBiL3hlbi9hcmNoL3g4Ni9odm0vc3Zt L2VudHJ5LlMKaW5kZXggZTk1NGQ4ZTAyMS4uMWQyZGYwOGU4OSAxMDA2NDQKLS0tIGEveGVuL2Fy Y2gveDg2L2h2bS9zdm0vZW50cnkuUworKysgYi94ZW4vYXJjaC94ODYvaHZtL3N2bS9lbnRyeS5T CkBAIC03Niw3ICs3Niw3IEBAIF9fVU5MSUtFTFlfRU5EKG5zdm1faGFwKQogICAgICAgICBwb3Ag ICVyMTAKICAgICAgICAgcG9wICAlcjkKICAgICAgICAgcG9wICAlcjgKLSAgICAgICAgYWRkICAk OCwlcnNwIC8qIFNraXAgJXJheDogcmVzdG9yZWQgYnkgVk1SVU4uICovCisgICAgICAgIHBvcCAg JXJjeCAvKiBTa2lwICVyYXg6IHJlc3RvcmVkIGJ5IFZNUlVOLiAqLwogICAgICAgICBwb3AgICVy Y3gKICAgICAgICAgcG9wICAlcmR4CiAgICAgICAgIHBvcCAgJXJzaQotLSAKMi4xMS4wCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==