From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Thibodeaux Subject: Re: [PATCH] x86/xen: Add "xen_timer_slop" command line option Date: Wed, 27 Mar 2019 10:59:58 -0400 Message-ID: <20190327145958.GA12371__13274.8630408727$1553698874$gmane$org@centos-dev.localdomain> References: <1553279397-130201-1-git-send-email-ryan.thibodeaux@starlab.io> <52bfeae7c256faec444b69efe58d363ad60c3fc5.camel@suse.com> <20190323114151.5cebf31b@sweethome> <20190325130530.56603806@luca64> <69e40698-f7ae-11c3-e4b7-dda4f1fadcf6@oracle.com> <907547fa-a7e8-8dca-dabf-dd063705f196@oracle.com> <20190327100014.GA9663@centos-dev.localdomain> <04ee9e67-5720-72df-9e2e-2ba42febf90f@oracle.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 4.89) (envelope-from ) id 1h9A2N-0004zh-8V for xen-devel@lists.xenproject.org; Wed, 27 Mar 2019 15:00:19 +0000 Received: by mail-qk1-x743.google.com with SMTP id k189so10085380qkc.0 for ; Wed, 27 Mar 2019 08:00:18 -0700 (PDT) Content-Disposition: inline In-Reply-To: <04ee9e67-5720-72df-9e2e-2ba42febf90f@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Boris Ostrovsky Cc: jgross@suse.com, oleksandr_andrushchenko@epam.com, luca abeni , linux-kernel@vger.kernel.org, Dario Faggioli , ryan.thibodeaux@starlab.io, xen-devel@lists.xenproject.org, tglx@linutronix.de List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBNYXIgMjcsIDIwMTkgYXQgMTA6NDY6MjFBTSAtMDQwMCwgQm9yaXMgT3N0cm92c2t5 IHdyb3RlOgo+IE9uIDMvMjcvMTkgNjowMCBBTSwgUnlhbiBUaGlib2RlYXV4IHdyb3RlOgo+ID4g T24gVHVlLCBNYXIgMjYsIDIwMTkgYXQgMDc6MjE6MzFQTSAtMDQwMCwgQm9yaXMgT3N0cm92c2t5 IHdyb3RlOgo+ID4+IE9uIDMvMjYvMTkgNToxMyBBTSwgRGFyaW8gRmFnZ2lvbGkgd3JvdGU6Cj4g Pj4+IE9uIE1vbiwgMjAxOS0wMy0yNSBhdCAwOTo0MyAtMDQwMCwgQm9yaXMgT3N0cm92c2t5IHdy b3RlOgo+ID4+Pj4gT24gMy8yNS8xOSA4OjA1IEFNLCBsdWNhIGFiZW5pIHdyb3RlOgo+ID4+Pj4+ IFRoZSBwaWN0dXJlIHNob3dzIHRoZSBsYXRlbmNpZXMgbWVhc3VyZWQgd2l0aCBhbiB1bnBhdGNo ZWQgZ3Vlc3QKPiA+Pj4+PiBrZXJuZWwKPiA+Pj4+PiBhbmQgd2l0aCBhIGd1ZXN0IGtlcm5lbCBo YXZpbmcgVElNRVJfU0xPUCBzZXQgdG8gMTAwMCAoYXJiaXRyYXJ5Cj4gPj4+Pj4gc21hbGwKPiA+ Pj4+PiB2YWx1ZSA6KS4KPiA+Pj4+PiBBbGwgdGhlIGV4cGVyaW1lbnRzIGhhdmUgYmVlbiBwZXJm b3JtZWQgYm9vdGluZyB0aGUgaHlwZXJ2aXNvciB3aXRoCj4gPj4+Pj4gYQo+ID4+Pj4+IHNtYWxs IHRpbWVyX3Nsb3AgKHRoZSBoeXBlcnZpc29yJ3Mgb25lKSB2YWx1ZS4gU28sIHRoZXkgc2hvdyB0 aGF0Cj4gPj4+Pj4gZGVjcmVhc2luZyB0aGUgaHlwZXJ2aXNvcidzIHRpbWVyX3Nsb3AgaXMgbm90 IGVub3VnaCB0byBtZWFzdXJlIGxvdwo+ID4+Pj4+IGxhdGVuY2llcyB3aXRoIGN5Y2xpY3Rlc3Qu Cj4gPj4+PiBJIGhhdmUgYSBjb3VwbGUgb2YgcXVlc3Rpb25zOgo+ID4+Pj4gKiBEb2VzIGl0IG1h a2Ugc2Vuc2UgdG8gbWFrZSB0aGlzIGEgdHVuYWJsZSBmb3Igb3RoZXIgY2xvY2tldmVudAo+ID4+ Pj4gZGV2aWNlcwo+ID4+Pj4gYXMgd2VsbD8KPiA+Pj4+Cj4gPj4+IFNvLCBBRkFJVUksIHRoZSB0 aGluZyBpcyBhcyBmb2xsb3dzLiBJbiBjbG9ja2V2ZW50c19wcm9ncmFtX2V2ZW50KCksIHdlCj4g Pj4+IGtlZXAgdGhlIGRlbHRhIGJldHdlZW4gbm93IGFuZCB0aGUgbmV4dCB0aW1lciBldmVudCB3 aXRoaW4KPiA+Pj4gZGV2LT5tYXhfZGVsdGFfbnMgYW5kIGRldi0+bWluX2RlbHRhX25zOgo+ID4+ Pgo+ID4+PiAgIGRlbHRhID0gbWluKGRlbHRhLCAoaW50NjRfdCkgZGV2LT5tYXhfZGVsdGFfbnMp Owo+ID4+PiAgIGRlbHRhID0gbWF4KGRlbHRhLCAoaW50NjRfdCkgZGV2LT5taW5fZGVsdGFfbnMp Owo+ID4+Pgo+ID4+PiBGb3IgWGVuICh3ZWxsLCBmb3IgdGhlIFhlbiBjbG9jaykgd2UgaGF2ZToK PiA+Pj4KPiA+Pj4gICAubWF4X2RlbHRhX25zID0gMHhmZmZmZmZmZiwKPiA+Pj4gICAubWluX2Rl bHRhX25zID0gVElNRVJfU0xPUCwKPiA+Pj4KPiA+Pj4gd2hpY2ggbWVhbnMgYSBndWVzdCBjYW4n dCBhc2sgZm9yIGEgdGltZXIgdG8gZmlyZSBlYXJsaWVyIHRoYW4gMTAwdXMKPiA+Pj4gYWhlYWQs IHdoaWNoIGlzIGEgYml0IHRvbyBjb2Fyc2UsIGVzcGVjaWFsbHkgb24gY29udGVtcG9yYXJ5IGhh cmR3YXJlLgo+ID4+Pgo+ID4+PiBGb3IgImxhcGljX2RlYWRsaW5lIiAod2hpY2ggd2FzIHdoYXQg d2FzIGluIHVzZSBpbiBLVk0gZ3Vlc3RzLCBpbiBvdXIKPiA+Pj4gZXhwZXJpbWVudHMpIHdlIGhh dmU6Cj4gPj4+Cj4gPj4+ICAgbGFwaWNfY2xvY2tldmVudC5tYXhfZGVsdGFfbnMgPSBjbG9ja2V2 ZW50X2RlbHRhMm5zKDB4N0ZGRkZGLCAmbGFwaWNfY2xvY2tldmVudCk7Cj4gPj4+ICAgbGFwaWNf Y2xvY2tldmVudC5taW5fZGVsdGFfbnMgPSBjbG9ja2V2ZW50X2RlbHRhMm5zKDB4RiwgJmxhcGlj X2Nsb2NrZXZlbnQpOwo+ID4+Pgo+ID4+PiBXaGljaCBtZWFucyBtYXggaXMgMHg3RkZGRkYgZGV2 aWNlIHRpY2tzLCBhbmQgbWluIGlzIDB4Ri4KPiA+Pj4gY2xvY2tldmVudF9kZWx0YTJucygpIGRv ZXMgdGhlIGNvbnZlcnNpb24gZnJvbSB0aWNrcyB0byBucywgYmFzaW5nIG9uCj4gPj4+IHRoZSBy ZXN1bHRzIG9mIHRoZSBBUElDIGNhbGlicmF0aW9uIHByb2Nlc3MuIEl0IGNhbGxzIGNldl9kZWx0 YTJucygpCj4gPj4+IHdoaWNoIGRvZXMgc29tZSBzY2FsaW5nLCBzaGlmdGluZywgZGl2cywgZXRj LCBhbmQsIGF0IHRoZSB2ZXJ5IGVuZCwKPiA+Pj4gdGhpczoKPiA+Pj4KPiA+Pj4gICAvKiBEZWx0 YXMgbGVzcyB0aGFuIDF1c2VjIGFyZSBwb2ludGxlc3Mgbm9pc2UgKi8KPiA+Pj4gICByZXR1cm4g Y2xjID4gMTAwMCA/IGNsYyA6IDEwMDA7Cj4gPj4+Cj4gPj4+IFNvLCBhcyBSeWFuIGlzIGFsc28g c2F5aW5nLCB0aGUgYWN0dWFsIG1pbmltdW0sIGluIHRoaXMgY2FzZSwgZGVwZW5kcwo+ID4+PiBv biBoYXJkd2FyZSwgd2l0aCBhIHNhbml0eSBjaGVjayBvZiAibmV2ZXIgYmVsb3cgMXVzIiAod2hp Y2ggaXMgcXVpdGUKPiA+Pj4gc21hbGxlciB0aGFuIDEwMHVzISkKPiA+Pj4KPiA+Pj4gT2YgY291 cnNlLCB0aGUgYWN0dWFsIGdyYW51bGFyaXR5IGRlcGVuZHMgb24gaGFyZHdhcmUgaW4gdGhlIFhl biBjYXNlCj4gPj4+IGFzIHdlbGwsIGJ1dCB0aGF0IGlzIGhhbmRsZWQgaW4gWGVuIGl0c2VsZi4g QW5kIHdlIGhhdmUgbWVjaGFuaXNtcyBpbgo+ID4+PiBwbGFjZSBpbiB0aGVyZSB0byBhdm9pZCB0 aW1lciBpbnRlcnJ1cHQgc3Rvcm1zIChsaWtlLCBhaGVtLCB0aGUgWGVuJ3MKPiA+Pj4gJ3RpbWVy X3Nsb3AnIGJvb3QgcGFyYW1ldGVyLi4uIDotUCkKPiA+Pj4KPiA+Pj4gQW5kIHRoaXMgaXMgYmFz aWNhbGx5IHdoeSBJIHdhcyBhbHNvIHRoaW5raW5nIHdlIGNhbi9zaG91bGQgbG93ZXIgdGhlCj4g Pj4+IGRlZmF1bHQgdmFsdWUgb2YgVElNRVJfU0xPUCwgaGVyZSBpbiB0aGUgWGVuIGNsb2NrIGlt cGxlbWVudGF0aW9uIGluCj4gPj4+IExpbnV4Lgo+ID4+IFdoYXQgZG8geW91IHRoaW5rIHdvdWxk IGJlIGEgc2FuZSB2YWx1ZT8gMTB1cz8gU2hvdWxkIHdlIHRoZW4gc3RpbGwga2VlcAo+ID4+IHRo aXMgcGF0Y2g/Cj4gPj4KPiA+PiBNeSBjb25jZXJuIHdvdWxkIGJlIHRoYXQgaWYgd2UgY2hhbmdl IHRoZSBjdXJyZW50IHZhbHVlIGFuZCBpdCB0dXJucyBvdXQKPiA+PiB0byBiZSB2ZXJ5IHdyb25n IHdlJ2QgdGhlbiBoYXZlIG5vIHJlY291cnNlLgo+ID4+Cj4gPj4KPiA+PiAtYm9yaXMKPiA+Pgo+ ID4gU3BlYWtpbmcgb3V0IG9mIHR1cm4gYnV0IGFzIGEgcGFydGljaXBhbnQgaW4gdGhpcyB0aHJl YWQsIEkgd291bGQgbm90Cj4gPiBhc3N1bWUgdG8gY2hhbmdlIHRoZSBkZWZhdWx0IHZhbHVlIGZv ciBhbGwgY2FzZXMgd2l0aG91dCBzaWduaWZpY2FudAo+ID4gdGVzdGluZyBieSB0aGUgY29tbXVu aXR5LCB0b3VjaGluZyBhIHZhcmlldHkgb2YgY29uZmlndXJhdGlvbnMuCj4gPgo+ID4gSXQgZmVl bHMgbGlrZSBjaGFuZ2luZyB0aGUgZGVmYXVsdCBoYXMgYSBub24tdHJpdmlhbCBhbW91bnQgb2Yg Cj4gPiB1bmtub3ducyB0aGF0IHdvdWxkIG5lZWQgdG8gYmUgYWRkcmVzc2VkLgo+ID4KPiA+IE5v dCBzdXJwcmlzaW5nbHksIEkgYW0gYmlhc2VkIHRvIHRoZSBhcHByb2FjaCBvZiBteSBwYXRjaCB3 aGljaAo+ID4gZG9lcyBub3QgY2hhbmdlIHRoZSBkZWZhdWx0IGJ1dCBvZmZlcnMgZmxleGliaWxp dHkgdG8gYWxsLgo+IAo+IAo+IElmIHdlIGFyZSB0byBjaGFuZ2UgdGhlIGRlZmF1bHQgaXQgd291 bGQgYmUgZ29vZCB0byBhdCBsZWFzdCBjb2xsZWN0Cj4gc29tZSBkYXRhIG9uIGRpc3RyaWJ1dGlv biBvZiBkZWx0YSB2YWx1ZXMgaW4KPiBjbG9ja2V2ZW50c19wcm9ncmFtX2V2ZW50KCkuIEJ1dCBh cyBJIHNhaWQsIEknZCBrZWVwIHRoZSBwYXRjaC4KPiAKPiBBbHNvLCBhcyBmYXIgYXMgdGhlIGNv bW1lbnQgZGVzY3JpYmluZyBUSU1FUl9TTE9QLCBJIGFncmVlIHRoYXQgaXQgaXMKPiByYXRoZXIg bWlzbGVhZGluZy4KPiAKPiBJIGNhbiByZXBsYWNlIGl0IHdpdGggLyogTWluaW11bSBhbW91bnQg b2YgdGltZSB1bnRpbCBuZXh0IGNsb2NrIGV2ZW50Cj4gZmlyZXMgKi8sIEnCoCBjYW4gZG8gaXQg d2hpbGUgY29tbWl0dGluZyBzbyBubyBuZWVkIHRvIHJlc2VuZC4KPiAKPiAtYm9yaXMKCkkgbGlr ZSB0aGF0LiBUaGFua3MgQm9yaXMhCgotIFJ5YW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxp c3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9s aXN0aW5mby94ZW4tZGV2ZWw=