From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: [PATCHv8 0/1] x86/ept: reduce translation invalidation impact Date: Tue, 12 Apr 2016 17:19:42 +0100 Message-ID: <1460477983-6277-1-git-send-email-david.vrabel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1aq2Zn-0004Qq-1M for xen-devel@lists.xenproject.org; Tue, 12 Apr 2016 17:58:11 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Kevin Tian , Jun Nakajima , George Dunlap , Andrew Cooper , David Vrabel , Jan Beulich List-Id: xen-devel@lists.xenproject.org VGhpcyBzZXJpZXMgaW1wcm92ZXMgdGhlIHBlcmZvcm1hbmNlIG9mIEVQVCBieSBmdXJ0aGVyIHJl ZHVjaW5nIHRoZQppbXBhY3Qgb2YgdGhlIHRyYW5zbGF0aW9uIGludmFsaWRhdGlvbnMgKGVwdF9z eW5jX2RvbWFpbigpKS4gQnk6CgphKSBEZWZlcnJpbmcgaW52YWxpZGF0aW9ucyB1bnRpbCB0aGUg cDJtIHdyaXRlIGxvY2sgaXMgcmVsZWFzZWQuCgpQcmlvciB0byB0aGlzIGNoYW5nZSBhIDE2IFZD UFUgZ3Vlc3QgY291bGQgbm90IGJlIHN1Y2Nlc3NmdWxseQptaWdyYXRlZCBvbiBhbiAoYWRtaXR0 ZWRseSBzbG93KSAxNjAgUENQVSBib3ggYmVjYXVzZSB0aGUgcDJtIHdyaXRlCmxvY2sgd2FzIGhl bGQgZm9yIHN1Y2ggZXh0ZW5kZWQgcGVyaW9kcyBvZiB0aW1lLiAgVGhpcyBzdGFydmVkIHRoZQpy ZWFkIGxvY2sgbmVlZGVkIChieSB0aGUgdG9vbHN0YWNrKSB0byBtYXAgdGhlIGRvbWFpbidzIG1l bW9yeSwKdHJpZ2dlcmluZyB0aGUgd2F0Y2hkb2cuCgpBZnRlciB0aGlzIGNoYW5nZSBhIDY0IFZD UFUgZ3Vlc3QgY291bGQgYmUgc3VjY2Vzc2Z1bGx5IG1pZ3JhdGVkLgoKZXB0X3N5bmNfZG9tYWlu KCkgaXMgdmVyeSBleHBlbnNpdmUgYmVjYXVzZToKCmEpIGl0IHVzZXMgb25fc2VsZWN0ZWRfY3B1 cygpIGFuZCB0aGUgSVBJIGNvc3QgY2FuIGJlIHBhcnRpY3VsYXJseQogICBoaWdoIGZvciBhIG11 bHRpLXNvY2tldCBtYWNoaW5lLgoKYikgb25fc2VsZWN0ZWRfY3B1cygpIGlzIHNlcmlhbGl6ZWQg YnkgaXRzIG93biBzcGluIGxvY2suCgpPbiB0aGlzIHBhcnRpY3VsYXIgYm94LCBlcHRfc3luY19k b21haW4oKSBjb3VsZCB0YWtlIH4zLTUgbXMuCgpTaW1wbHkgdXNpbmcgYSBmYWlyIHJ3IGxvY2sg d2FzIG5vdCBzdWZmaWNpZW50IHRvIHJlc29sdmUgdGhpcyAoYnV0IGl0CndhcyBhbiBpbXByb3Zl bWVudCkgYXMgdGhlIGNvc3Qgb2YgdGhlIGVwdF9zeW5jX2RvbWFpbiBjYWxscygpIHdhcwpzdGls bCBkZWxheWluZyB0aGUgcmVhZCBsb2NrcyBlbm91Z2ggZm9yIHRoZSB3YXRjaGRvZyB0byB0cmln Z2VyICh0aGUKdG9vbHN0YWNrIG1hcHMgYSBiYXRjaCBvZiAxMDI0IEdGTnMgYXQgYSB0aW1lLCB3 aGljaCBtZWFucyB0cnlpbmcgdG8KYWNxdWlyZSB0aGUgcDJtIHJlYWQgbG9jayAxMDI0IHRpbWVz KS4KCkNoYW5nZXMgaW4gdjg6CgotIHAybV90bGJfZmx1c2hfYW5kX3VubG9jaygpIC0+IHAybV91 bmxvY2tfYW5kX3RsYl9mbHVzaCgpLgotIHAybV91bmxvY2tfYW5kX3RsYl9mbHVzaCgpIG5vdyBk b2VzIHRoZSB1bmxvY2sgYW5kIHRoZSBwMm0KICBpbXBsZW1lbnRhdGlvbiBuZWVkIG9ubHkgcHJv dmlkZSBhIHRsYl9mbHVzaCgpIG9wLgoKQ2hhbmdlcyBpbiB2NzoKCi0gQWRkIHNvbWUgbW9yZSBw Mm1fdGxiX2ZsdXNoX3N5bmMoKSBjYWxscyB0byBQb0QuCi0gTW9yZSBjb21tZW50cy4KCkNoYW5n ZXMgaW4gdjY6CgotIEZpeCBwZXJmb3JtYW5jZSBidWcgaW4gcGF0Y2ggIzIuCi0gSW1wcm92ZSBj b21tZW50cy4KCkNoYW5nZXMgaW4gdjU6CgotIEZpeCBQb0QgYnkgZXhwbGljaXRseSBkb2luZyBh biBpbnZhbGlkYXRpb24gYmVmb3JlIHJlY2xhaW1pbmcgemVybwogIHBhZ2VzLgotIFVzZSB0aGUg c2FtZSBtZWNoYW5pc20gZm9yIGRlYWxpbmcgd2l0aCBmcmVlaW5nIHBhZ2UgdGFibGUgcGFnZXMu CiAgVGhpcyBpc24ndCBhIGNvbW1vbiBwYXRoIGFuZCBpdHMgc2ltcGxlciB0aGFuIHRoZSBkZWZl cnJlZCBsaXN0LgoKQ2hhbmdlcyBpbiB2NDoKCi0gX19lcHRfc3luY19kb21haW4oKSBpcyBhIG5v LW9wIC0tIGludmFsaWRhdGVzIGFyZSBkb25lIGJlZm9yZSBWTUVOVEVSLgotIGluaXRpYWxpemUg ZXB0LT5pbnZhbGlkYXRlIHRvIGFsbCBvbmVzIHNvIHRoZSBpbml0aWFsIGludmFsaWRhdGUgaXMK ICBhbHdheXMgZG9uZS4KCkNoYW5nZXMgaW4gdjM6CgotIERyb3AgYWxyZWFkeSBhcHBsaWVkICJ4 ODYvZXB0OiByZW1vdmUgdW5uZWNlc3Nhcnkgc3luYyBhZnRlcgogIHJlc29sdmluZyBtaXNjb25m aWd1cmVkIGVudHJpZXMiLgotIFJlcGxhY2VkICJtbTogZG9uJ3QgZnJlZSBwYWdlcyB1bnRpbCBt bSBsb2NrcyBhcmUgcmVsZWFzZWQiIHdpdGgKICAieDg2L2VwdDogaW52YWxpZGF0ZSBndWVzdCBw aHlzaWNhbCBtYXBwaW5ncyBvbiBWTUVOVEVSIi4KCkNoYW5nZXMgaW4gdjI6CgotIFVzZSBhIHBl ci1wMm0gKG5vdCBwZXItQ1BVKSBsaXN0IGZvciBwYWdlIHRhYmxlIHBhZ2VzIHRvIGJlIGZyZWVk LgotIEhvbGQgdGhlIHdyaXRlIGxvY2sgd2hpbGUgdXBkYXRpbmcgdGhlIHN5bmNlZF9tYXNrLgoK RGF2aWQKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0 cy54ZW4ub3JnL3hlbi1kZXZlbAo=