From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH RFC v1 30/74] x86: APIC timer calibration when running as a guest Date: Thu, 4 Jan 2018 13:05:41 +0000 Message-ID: <20180104130625.28605-31-wei.liu2@citrix.com> References: <20180104130625.28605-1-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eX5Ze-00042y-9L for xen-devel@lists.xenproject.org; Thu, 04 Jan 2018 13:28:46 +0000 In-Reply-To: <20180104130625.28605-1-wei.liu2@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: wei.liu2@citrix.com List-Id: xen-devel@lists.xenproject.org VGhlIHRpbWVyIGNhbGlicmF0aW9uIGRlcGVuZHMgb24gdGhlIG51bWJlciBvZiB0aWNrcy4gSW50 cm9kdWNlIGEKdmFyaWFudCB0byB3YWl0IGZvciBhIHRpY2sgd2hlbiBydW5uaW5nIGFzIGEgZ3Vl c3QuCgpTaWduZWQtb2ZmLWJ5OiBXZWkgTGl1IDx3ZWkubGl1MkBjaXRyaXguY29tPgotLS0KIHhl bi9hcmNoL3g4Ni9hcGljLmMgfCAzOCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0t LS0tLQogMSBmaWxlIGNoYW5nZWQsIDMwIGluc2VydGlvbnMoKyksIDggZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2FwaWMuYyBiL3hlbi9hcmNoL3g4Ni9hcGljLmMKaW5k ZXggZWQ1OTQ0MGM0NS4uNTAzOTE3MzgyNyAxMDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L2FwaWMu YworKysgYi94ZW4vYXJjaC94ODYvYXBpYy5jCkBAIC0zNiw2ICszNiw4IEBACiAjaW5jbHVkZSA8 bWFjaF9hcGljLmg+CiAjaW5jbHVkZSA8aW9fcG9ydHMuaD4KICNpbmNsdWRlIDx4ZW4va2V4ZWMu aD4KKyNpbmNsdWRlIDxhc20vZ3Vlc3QuaD4KKyNpbmNsdWRlIDxhc20vdGltZS5oPgogCiBzdGF0 aWMgYm9vbCBfX3JlYWRfbW9zdGx5IHRkdF9lbmFibGVkOwogc3RhdGljIGJvb2wgX19pbml0ZGF0 YSB0ZHRfZW5hYmxlID0gdHJ1ZTsKQEAgLTEwOTEsNiArMTA5MywyMCBAQCBzdGF0aWMgdm9pZCBz ZXR1cF9BUElDX3RpbWVyKHZvaWQpCiAgICAgbG9jYWxfaXJxX3Jlc3RvcmUoZmxhZ3MpOwogfQog CitzdGF0aWMgdm9pZCB3YWl0X3RpY2tfcHZoKHZvaWQpCit7CisgICAgdTY0IGxhcHNlX25zID0g MTAwMDAwMDAwMFVMTCAvIEhaOworICAgIHNfdGltZV90IHN0YXJ0LCBjdXJyX3RpbWU7CisKKyAg ICBzdGFydCA9IE5PVygpOworCisgICAgLyogV29uJ3Qgd3JhcCBhcm91bmQgKi8KKyAgICBkbyB7 CisgICAgICAgIGNwdV9yZWxheCgpOworICAgICAgICBjdXJyX3RpbWUgPSBOT1coKTsKKyAgICB9 IHdoaWxlICggY3Vycl90aW1lIC0gc3RhcnQgPCBsYXBzZV9ucyApOworfQorCiAvKgogICogSW4g dGhpcyBmdW5jdGlvbiB3ZSBjYWxpYnJhdGUgQVBJQyBidXMgY2xvY2tzIHRvIHRoZSBleHRlcm5h bAogICogdGltZXIuIFVuZm9ydHVuYXRlbHkgd2UgY2Fubm90IHVzZSBqaWZmaWVzIGFuZCB0aGUg dGltZXIgaXJxCkBAIC0xMTIzLDEyICsxMTM5LDE1IEBAIHN0YXRpYyBpbnQgX19pbml0IGNhbGli cmF0ZV9BUElDX2Nsb2NrKHZvaWQpCiAgICAgICovCiAgICAgX19zZXR1cF9BUElDX0xWVFQoMTAw MDAwMDAwMCk7CiAKLSAgICAvKgotICAgICAqIFRoZSB0aW1lciBjaGlwIGNvdW50cyBkb3duIHRv IHplcm8uIExldCdzIHdhaXQKLSAgICAgKiBmb3IgYSB3cmFwYXJvdW5kIHRvIHN0YXJ0IGV4YWN0 IG1lYXN1cmVtZW50OgotICAgICAqICh0aGUgY3VycmVudCB0aWNrIG1pZ2h0IGhhdmUgYmVlbiBh bHJlYWR5IGhhbGYgZG9uZSkKLSAgICAgKi8KLSAgICB3YWl0XzgyNTRfd3JhcGFyb3VuZCgpOwor ICAgIGlmICggIXhlbl9ndWVzdCApCisgICAgICAgIC8qCisgICAgICAgICAqIFRoZSB0aW1lciBj aGlwIGNvdW50cyBkb3duIHRvIHplcm8uIExldCdzIHdhaXQKKyAgICAgICAgICogZm9yIGEgd3Jh cGFyb3VuZCB0byBzdGFydCBleGFjdCBtZWFzdXJlbWVudDoKKyAgICAgICAgICogKHRoZSBjdXJy ZW50IHRpY2sgbWlnaHQgaGF2ZSBiZWVuIGFscmVhZHkgaGFsZiBkb25lKQorICAgICAgICAgKi8K KyAgICAgICAgd2FpdF84MjU0X3dyYXBhcm91bmQoKTsKKyAgICBlbHNlCisgICAgICAgIHdhaXRf dGlja19wdmgoKTsKIAogICAgIC8qCiAgICAgICogV2Ugd3JhcHBlZCBhcm91bmQganVzdCBub3cu IExldCdzIHN0YXJ0OgpAQCAtMTEzNywxMCArMTE1NiwxMyBAQCBzdGF0aWMgaW50IF9faW5pdCBj YWxpYnJhdGVfQVBJQ19jbG9jayh2b2lkKQogICAgIHR0MSA9IGFwaWNfcmVhZChBUElDX1RNQ0NU KTsKIAogICAgIC8qCi0gICAgICogTGV0J3Mgd2FpdCBMT09QUyB3cmFwcm91bmRzOgorICAgICAq IExldCdzIHdhaXQgTE9PUFMgdGlja3M6CiAgICAgICovCiAgICAgZm9yIChpID0gMDsgaSA8IExP T1BTOyBpKyspCi0gICAgICAgIHdhaXRfODI1NF93cmFwYXJvdW5kKCk7CisgICAgICAgIGlmICgg IXhlbl9ndWVzdCApCisgICAgICAgICAgICB3YWl0XzgyNTRfd3JhcGFyb3VuZCgpOworICAgICAg ICBlbHNlCisgICAgICAgICAgICB3YWl0X3RpY2tfcHZoKCk7CiAKICAgICB0dDIgPSBhcGljX3Jl YWQoQVBJQ19UTUNDVCk7CiAgICAgdDIgPSByZHRzY19vcmRlcmVkKCk7Ci0tIAoyLjExLjAKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3Rz LnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs