From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony PERARD Subject: [PATCH v3 0/3] Rework vlapic timer to behave more like real-hardware Date: Tue, 8 Aug 2017 14:32:57 +0100 Message-ID: <20170808133300.2277-1-anthony.perard@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1df4df-0002tf-EF for xen-devel@lists.xenproject.org; Tue, 08 Aug 2017 13:33:39 +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: Anthony PERARD , Andrew Cooper , Jan Beulich List-Id: xen-devel@lists.xenproject.org SGksCgpXaGVuIGRldmVsb3BpbmcgUFZIIGZvciBPVk1GLCBJJ3ZlIHVzZWQgdGhlIGxhcGljIHRp bWVyLiBJdCB0dXJucyBvdXQgdGhhdCB0aGUKd2F5IGl0IGlzIHVzZWQgYnkgT1ZNRiBkaWQgbm90 IHdvcmsgd2l0aCBYZW4gWzFdLiBJIHRyaWVkIHRvIGZpbmQgb3V0IGhvdwpyZWFsLWh3IGJlaGF2 ZSwgYW5kIHdyaXRlIGEgWFRGIHRlc3RzIFsyXS4gQW5kIHRoaXMgcGF0Y2ggc2VyaWVzIHRyaWVz IHRvIGZpeAp0aGUgYmVoYXZpb3Igb2YgdGhlIHZsYXBpYyB0aW1lci4KClRoZSBPVk1GIGRyaXZl ciBmb3IgdGhlIEFQSUMgdGltZXIgaW5pdGlhbGl6ZSB0aGUgdGltZXIgbGlrZSB0aGlzOgogIHdy aXRlIHRvIFRNSUNUIChpbml0aWFsIGNvdW50ZXIpCiAgd3JpdGUgdG8gVE1EQ1IgKGRpdmlkZSBj b25maWd1cmF0aW9uKQogIGVuYWJsZSB0aGUgdGltZXIgKHRoaXMgbWF5IGNoYW5nZSB0aW1lciBt b2RlIGZyb20gb25lLXNob3QgdG8gcGVyaW9kaWMpCkl0IHR1cm5zIG91dCB0aGF0IFRNSUNUIGlz IHNldCB0byAwIG9uIHRoZSBsYXN0IHN0ZXAsIGJ1dCBPVk1GIGV4cGVjdCB0aGUgdGltZXIKdG8g cnVuLgoKSGVyZSBpcyBzb21lIGRlc2NyaXB0aW9uIG9mIHRoZSBBUElDIHRpbWVyLCBiYXNlIG9u IG9ic2VydmF0aW9uIGFzIHdlbGwgYXMgcmVhZApvZiB0aGUgSW50ZWwgU0RNLiBUaGUgZGVzY3Jp cHRpb24gaXMgYWxzbyBwYXRjaCBvZiBwYXRjaCBkZXNjcmlwdGlvbgoocmV3b3JkZWQpLgoKTWF5 YmUgYSB3YXkgb2YgdGhpbmtpbmcgaG93IHRoZSBBUElDIHRpbWVyIGlzIGV2YWx1YXRlZCwgaXMg dG8gdGhpbmsgb2YgaG93CmhhcmR3YXJkIHdpbGwgZG8gaXQuIFRoZXJlIGlzIGEgY291bnRlciBU TUNDVCB3aGljaCBhbHdheXMga2VlcHMgY291bnRpbmcgZG93bi4KClNldHRpbmcgVE1JQ1QgYWxz byBzZXQgVE1DQ1QsIG5vdGhpbmcgZWxzZSBtYXR0ZXIuClNldHRpbmcgTFZUVCBkb2VzIG5vdCBj aGFuZ2UgYW55dGhpbmcgcmlnaHQgYXdheS4KU2V0dGluZyBUTURDUiBkb2VzIG5vdCBjaGFuZ2Ug bXVjaC4KCk5vdyBUTUNDVCBrZWVwcyBjb3VudGluZyBkb3duLCBieSBhIHZhbHVlIHJlbGF0ZWQg dG8gVE1EQ1IuCk9uY2UsIFRNQ0NUIHJlYWNoIDAsIGl0IGlzIG9ubHkgYXQgdGhpcyB0aW1lIHRo YXQgTFZUVCBpcyB0YWtlbiBpbnRvIGFjY291bnQuCklzIHRoZXJlIGFuIGludGVycnVwdCB0byBk ZWxpdmVyPyBTaG91bGQgdGhlIHRpbWVyIHJlc3RhcnQgY291bnRpbmcgZnJvbSB0aGUKdmFsdWUg aW4gVE1JQ1Q/CgpJbiB0aGUgSW50ZWwgU0RNLCB0aGVyZSBpcyB0aGUgd29yZCAiZGlzYXJtIiBv ZiB0aGUgdGltZXIgdXNlZC4gSSBndWVzcyB0aGUKZWFzaWVyIHdheSB0byBkaXNhcm0gdGhlIEFQ SUMgdGltZXIgKHdoZW4gaW4gcGVyaW9kaWMgb3Igb25lLXNob3QpIGlzIHRvIHNldApUTUlDVCB0 byAwLiBCdXQgaWYgd2UgdGFrZSBUU0MtRGVhZGxpbmUgbW9kZSBvdXQgb2YgdGhlIHBpY3R1cmUs IHRoZXJlIGlzCm5vdGhpbmcgaW4gdGhlIG1hbnVhbCB0aGF0IHNheSB0aGF0IHRoZSB0aW1lciBp cyBkaXNhcm0gb3Igc3RvcHBlZCB3aGVuCmNoYW5naW5nIHRpbWVyIG1vZGUgKHRoZXJlIGlzIG9u bHkgdHdvIG1vZGVzIGxlZnQsIHBlcmlvZCBhbmQgb25lLXNob3QpLgoKQXMgZm9yIHRoZSBUU0Mt ZGVhZGxpbmUgdGltZXIgbW9kZSwgb2JzZXJ2YXRpb24gc2hvd24gdGhhdCBjaGFuZ2luZyB0byBp dCAob3IKZnJvbSBpdCkgZG9lcyByZXNldCBhbmQgZGlzYXJtIGJvdGggdGltZXJzLCBzbyBlZmZl Y3RpdmVseSBUTUlDVCBhbmQgdGhlCnRzY2RlYWRsaW5lIGFyZSBzZXQgdG8gMC4KClRoZXJlIGlz IGEgWFRGIHBhdGNoIHNlcmllcyB0aGF0IGNoZWNrIHRoZSBlbXVsYXRpb24gb2YgdGhlIHZsYXBp YyB0aW1lci4KIltYVEYgUEFUQ0ggVjIgMC8zXSBUZXN0aW5nIHZsYXBpYyB0aW1lciIKClRoaXMg cGF0Y2ggc2VyaWVzIGNhbiBiZSBmb3VuZCBhdDoKaHR0cHM6Ly94ZW5iaXRzLnhlbi5vcmcvZ2l0 LWh0dHAvcGVvcGxlL2FwZXJhcmQveGVuLXVuc3RhYmxlLmdpdAp0YWc6IHZsYXBpYy10aW1lci12 MwoKQ2hhbmdlcyBpbiBWMzoKLSBkZXRhaWxzIGluIHBhdGNoZXMuCgpDaGFuZ2VzIGluIFYyOgot IHBhdGNoZXMgaGF2ZSBiZWVuIHJld29ya2VkLgotIHZsYXBpY191cGRhdGVfdGltZXIgZG9lcyBu b3QgY2FyZSBhbnltb3JlIHdoaWNoIHJlZ2lzdGVyIGlzIGJlZW4gY2hhbmdlZC4KLSBtb3JlIGNv bW1lbnRzLCBob3BlZnVsbHkgYWxzbyBiZXR0ZXIuCgpUaGFua3MsCgpbMV0gaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1sL3hlbi1kZXZlbC8yMDE2LTEyL21zZzAwOTU5 Lmh0bWwKWzJdIHYxOiBodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL2FyY2hpdmVzL2h0bWwv eGVuLWRldmVsLzIwMTctMDMvbXNnMDI1MzMuaHRtbAogICAgdjI6IGxvb2sgZm9yICJbWFRGIFBB VENIIFYyIDAvM10gVGVzdGluZyB2bGFwaWMgdGltZXIiCgpBbnRob255IFBFUkFSRCAoMyk6CiAg eDg2L3ZsYXBpYzogSW50cm9kdWNlIHZsYXBpY191cGRhdGVfdGltZXIKICB4ODYvdmxhcGljOiBL ZWVwIHRpbWVyIHJ1bm5pbmcgd2hlbiBzd2l0Y2hpbmcgYmV0d2VlbiBvbmUtc2hvdCBhbmQKICAg IHBlcmlvZGljIG1vZGUKICB4ODYvdmxhcGljOiBBcHBseSBjaGFuZ2UgdG8gVERDUiByaWdodCBh d2F5IHRvIHRoZSB0aW1lcgoKIHhlbi9hcmNoL3g4Ni9odm0vdmxhcGljLmMgfCAxMjYgKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQs IDk0IGluc2VydGlvbnMoKyksIDMyIGRlbGV0aW9ucygtKQoKLS0gCkFudGhvbnkgUEVSQVJECgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLWRldmVsCg==