From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH] x86/xen: Add "xen_timer_slop" command line option Date: Fri, 22 Mar 2019 18:10:16 -0400 Message-ID: References: <1553279397-130201-1-git-send-email-ryan.thibodeaux@starlab.io> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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 1h7SNI-0002Uh-Rm for xen-devel@lists.xenproject.org; Fri, 22 Mar 2019 22:10:52 +0000 In-Reply-To: <1553279397-130201-1-git-send-email-ryan.thibodeaux@starlab.io> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: thibodux@gmail.com, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: jgross@suse.com, ryan.thibodeaux@starlab.io, tglx@linutronix.de, oleksandr_andrushchenko@epam.com List-Id: xen-devel@lists.xenproject.org T24gMy8yMi8xOSAyOjI5IFBNLCB0aGlib2R1eEBnbWFpbC5jb20gd3JvdGU6Cj4gRnJvbTogUnlh biBUaGlib2RlYXV4IDxyeWFuLnRoaWJvZGVhdXhAc3RhcmxhYi5pbz4KPgo+IEFkZCBhIG5ldyBj b21tYW5kLWxpbmUgb3B0aW9uICJ4ZW5fdGltZXJfc2xvcD08SU5UPiIgdGhhdCBzZXRzIHRoZQo+ IG1pbmltdW0gZGVsdGEgb2YgdmlydHVhbCBYZW4gdGltZXJzLiBUaGlzIGNvbW1pdCBkb2VzIG5v dCBjaGFuZ2UgdGhlCj4gZGVmYXVsdCB0aW1lciBzbG9wIHZhbHVlIGZvciB2aXJ0dWFsIFhlbiB0 aW1lcnMuCj4KPiBMb3dlcmluZyB0aGUgdGltZXIgc2xvcCB2YWx1ZSBzaG91bGQgaW1wcm92ZSB0 aGUgYWNjdXJhY3kgb2YgdmlydHVhbAo+IHRpbWVycyAoZS5nLiwgYmV0dGVyIHByb2Nlc3MgZGlz cGF0Y2ggbGF0ZW5jeSksIGJ1dCBpdCB3aWxsIGxpa2VseQo+IGluY3JlYXNlIHRoZSBudW1iZXIg b2YgdmlydHVhbCB0aW1lciBpbnRlcnJ1cHRzIChyZWxhdGl2ZSB0byB0aGUKPiBvcmlnaW5hbCBz bG9wIHNldHRpbmcpLgo+Cj4gVGhlIG9yaWdpbmFsIHRpbWVyIHNsb3AgdmFsdWUgaGFzIG5vdCBj aGFuZ2VkIHNpbmNlIHRoZSBpbnRyb2R1Y3Rpb24KPiBvZiB0aGUgWGVuLWF3YXJlIExpbnV4IGtl cm5lbCBjb2RlLiBUaGlzIGNvbW1pdCBwcm92aWRlcyB1c2VycyBhbgo+IG9wcG9ydHVuaXR5IHRv IHR1bmUgdGltZXIgcGVyZm9ybWFuY2UgZ2l2ZW4gdGhlIHJlZmluZW1lbnRzIHRvCj4gaGFyZHdh cmUgYW5kIHRoZSBYZW4gZXZlbnQgY2hhbm5lbCBwcm9jZXNzaW5nLiBJdCBhbHNvIG1pcnJvcnMK PiBhIGZlYXR1cmUgaW4gdGhlIFhlbiBoeXBlcnZpc29yIC0gdGhlICJ0aW1lcl9zbG9wIiBYZW4g Y29tbWFuZCBsaW5lCj4gb3B0aW9uLgoKSXMgdGhlcmUgYW55IGRhdGEgdGhhdCBzaG93cyBlZmZl Y3RzIG9mIHVzaW5nIHRoaXMgbmV3IHBhcmFtZXRlcj8KCi1ib3JpcwoKCj4KPiBTaWduZWQtb2Zm LWJ5OiBSeWFuIFRoaWJvZGVhdXggPHJ5YW4udGhpYm9kZWF1eEBzdGFybGFiLmlvPgo+IC0tLQo+ ICBEb2N1bWVudGF0aW9uL2FkbWluLWd1aWRlL2tlcm5lbC1wYXJhbWV0ZXJzLnR4dCB8ICA3ICsr KysrKysKPiAgYXJjaC94ODYveGVuL3RpbWUuYyAgICAgICAgICAgICAgICAgICAgICAgICAgICAg fCAxOCArKysrKysrKysrKysrKysrLS0KPiAgMiBmaWxlcyBjaGFuZ2VkLCAyMyBpbnNlcnRpb25z KCspLCAyIGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL0RvY3VtZW50YXRpb24vYWRtaW4t Z3VpZGUva2VybmVsLXBhcmFtZXRlcnMudHh0IGIvRG9jdW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9r ZXJuZWwtcGFyYW1ldGVycy50eHQKPiBpbmRleCA4NThiNmMwLi5mYjU4Yzg0IDEwMDY0NAo+IC0t LSBhL0RvY3VtZW50YXRpb24vYWRtaW4tZ3VpZGUva2VybmVsLXBhcmFtZXRlcnMudHh0Cj4gKysr IGIvRG9jdW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQKPiBAQCAt NTEyOSw2ICs1MTI5LDEzIEBACj4gIAkJCXdpdGggL3N5cy9kZXZpY2VzL3N5c3RlbS94ZW5fbWVt b3J5L3hlbl9tZW1vcnkwL3NjcnViX3BhZ2VzLgo+ICAJCQlEZWZhdWx0IHZhbHVlIGNvbnRyb2xs ZWQgd2l0aCBDT05GSUdfWEVOX1NDUlVCX1BBR0VTX0RFRkFVTFQuCj4gIAo+ICsJeGVuX3RpbWVy X3Nsb3A9CVtYODYtNjQsWEVOXQo+ICsJCQlTZXQgdGhlIHRpbWVyIHNsb3AgKGluIG5hbm9zZWNv bmRzKSBmb3IgdGhlIHZpcnR1YWwgWGVuCj4gKwkJCXRpbWVycyAoZGVmYXVsdCBpcyAxMDAwMDAp LiBUaGlzIGFkanVzdHMgdGhlIG1pbmltdW0KPiArCQkJZGVsdGEgb2YgdmlydHVhbGl6ZWQgWGVu IHRpbWVycywgd2hlcmUgbG93ZXIgdmFsdWVzCj4gKwkJCWltcHJvdmUgdGltZXIgcmVzb2x1dGlv biBhdCB0aGUgZXhwZW5zZSBvZiBwcm9jZXNzaW5nCj4gKwkJCW1vcmUgdGltZXIgaW50ZXJydXB0 cy4KPiArCj4gIAl4aXJjMnBzX2NzPQlbTkVULFBDTUNJQV0KPiAgCQkJRm9ybWF0Ogo+ICAJCQk8 aXJxPiw8aXJxX21hc2s+LDxpbz4sPGZ1bGxfZHVwbGV4Piw8ZG9fc291bmQ+LDxsb2NrdXBfaGFj az5bLDxpcnEyPlssPGlycTM+Wyw8aXJxND5dXV0KPiBkaWZmIC0tZ2l0IGEvYXJjaC94ODYveGVu L3RpbWUuYyBiL2FyY2gveDg2L3hlbi90aW1lLmMKPiBpbmRleCA2ZTI5Nzk0Li4wMzkzOTY4IDEw MDY0NAo+IC0tLSBhL2FyY2gveDg2L3hlbi90aW1lLmMKPiArKysgYi9hcmNoL3g4Ni94ZW4vdGlt ZS5jCj4gQEAgLTIxMiw3ICsyMTIsNyBAQCBzdGF0aWMgaW50IHhlbl90aW1lcm9wX3NldF9uZXh0 X2V2ZW50KHVuc2lnbmVkIGxvbmcgZGVsdGEsCj4gIAlyZXR1cm4gMDsKPiAgfQo+ICAKPiAtc3Rh dGljIGNvbnN0IHN0cnVjdCBjbG9ja19ldmVudF9kZXZpY2UgeGVuX3RpbWVyb3BfY2xvY2tldmVu dCA9IHsKPiArc3RhdGljIHN0cnVjdCBjbG9ja19ldmVudF9kZXZpY2UgeGVuX3RpbWVyb3BfY2xv Y2tldmVudCBfX3JvX2FmdGVyX2luaXQgPSB7Cj4gIAkubmFtZQkJCT0gInhlbiIsCj4gIAkuZmVh dHVyZXMJCT0gQ0xPQ0tfRVZUX0ZFQVRfT05FU0hPVCwKPiAgCj4gQEAgLTI3Myw3ICsyNzMsNyBA QCBzdGF0aWMgaW50IHhlbl92Y3B1b3Bfc2V0X25leHRfZXZlbnQodW5zaWduZWQgbG9uZyBkZWx0 YSwKPiAgCXJldHVybiByZXQ7Cj4gIH0KPiAgCj4gLXN0YXRpYyBjb25zdCBzdHJ1Y3QgY2xvY2tf ZXZlbnRfZGV2aWNlIHhlbl92Y3B1b3BfY2xvY2tldmVudCA9IHsKPiArc3RhdGljIHN0cnVjdCBj bG9ja19ldmVudF9kZXZpY2UgeGVuX3ZjcHVvcF9jbG9ja2V2ZW50IF9fcm9fYWZ0ZXJfaW5pdCA9 IHsKPiAgCS5uYW1lID0gInhlbiIsCj4gIAkuZmVhdHVyZXMgPSBDTE9DS19FVlRfRkVBVF9PTkVT SE9ULAo+ICAKPiBAQCAtNTcwLDMgKzU3MCwxNyBAQCB2b2lkIF9faW5pdCB4ZW5faHZtX2luaXRf dGltZV9vcHModm9pZCkKPiAgCXg4Nl9wbGF0Zm9ybS5zZXRfd2FsbGNsb2NrID0geGVuX3NldF93 YWxsY2xvY2s7Cj4gIH0KPiAgI2VuZGlmCj4gKwo+ICsvKiBLZXJuZWwgcGFyYW1ldGVyIHRvIHNw ZWNpZnkgWGVuIHRpbWVyIHNsb3AgKi8KPiArc3RhdGljIGludCBfX2luaXQgcGFyc2VfeGVuX3Rp bWVyX3Nsb3AoY2hhciAqcHRyKQo+ICt7Cj4gKwl1bnNpZ25lZCBsb25nIHNsb3AgPSBtZW1wYXJz ZShwdHIsIE5VTEwpOwo+ICsKPiArCXhlbl90aW1lcm9wX2Nsb2NrZXZlbnQubWluX2RlbHRhX25z ID0gc2xvcDsKPiArCXhlbl90aW1lcm9wX2Nsb2NrZXZlbnQubWluX2RlbHRhX3RpY2tzID0gc2xv cDsKPiArCXhlbl92Y3B1b3BfY2xvY2tldmVudC5taW5fZGVsdGFfbnMgPSBzbG9wOwo+ICsJeGVu X3ZjcHVvcF9jbG9ja2V2ZW50Lm1pbl9kZWx0YV90aWNrcyA9IHNsb3A7Cj4gKwo+ICsJcmV0dXJu IDA7Cj4gK30KPiArZWFybHlfcGFyYW0oInhlbl90aW1lcl9zbG9wIiwgcGFyc2VfeGVuX3RpbWVy X3Nsb3ApOwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Clhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=