From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey G Subject: Re: [PATCH] x86/nmi: lower initial watchdog frequency to avoid boot hangs Date: Fri, 9 Feb 2018 01:28:50 +1000 Message-ID: <20180209012850.0000705d@gmail.com> References: <1517865522-3248-1-git-send-email-igor.druzhinin@citrix.com> <5A79E0CB02000078001A5BBA@prv-mh.provo.novell.com> <990db14d-4ee2-bf95-20b4-1a050fc8fc9e@citrix.com> <5A79E49A02000078001A5C07@prv-mh.provo.novell.com> <5A7AD13D02000078001A5F03@prv-mh.provo.novell.com> <20180208163732.000050d9@gmail.com> <20180208223234.00001085@gmail.com> <20180209003722.000026da@gmail.com> <63e98a88-1511-e4a4-492e-f035d4fda423@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <63e98a88-1511-e4a4-492e-f035d4fda423@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper Cc: Igor Druzhinin , Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gVGh1LCA4IEZlYiAyMDE4IDE1OjAwOjMzICswMDAwCkFuZHJldyBDb29wZXIgPGFuZHJldy5j b29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgoKPk9uIDA4LzAyLzE4IDE0OjM3LCBBbGV4ZXkgRyB3 cm90ZToKPj4gT24gVGh1LCA4IEZlYiAyMDE4IDEyOjQwOjQxICswMDAwCj4+IEFuZHJldyBDb29w ZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOiAgCj4+PiAtIFBlcmYvT3Byb2Zp bGUuwqAgVGhpcyBpcyBjdXJyZW50bHkgbXV0dWFsbHkgZXhjbHVzaXZlIHdpdGggWGVuCj4+PiB1 c2luZyB0aGUgd2F0Y2hkb2csIGJ1dCBuZWVkbid0IGJlIGFuZCBob3BlZnVsbHkgd29uJ3QgYmUg aW4gdGhlCj4+PiBmdXR1cmUuIAo+Pj4+IE1vc3Qgb2YgdGhlIHRpbWUgd2UgZGVhbCB3aXRoIHdh dGNoZG9nIE5NSXMsIHdoaWxlIGFsbCBvdGhlcnMKPj4+PiBzaG91bGQgYmUgc29tZXdoYXQgcmFy ZS4gVGhlIHRoaW5nIGlzLCB3ZSBhY3R1YWxseSBuZWVkIHRvIHJlYWQKPj4+PiBJL08gcG9ydCA2 MWggb24gc3lzdGVtIE5NSXMgb25seS4gCj4+Pj4KPj4+PiBJZiB0aGUgbWFpbiBwcm9ibGVtIGxp ZXMgaW4gYSBmbG93IG9mIFNNSXMgZHVlIHRvIHJlYWRpbmcgcG9ydCA2MWgKPj4+PiBvbiBldmVy eSBOTUkgd2F0Y2hkb2cgdGljayAtLSB3aHkgbm90IHRvIGF2b2lkIHJlYWRpbmcgaXQ/Cj4+Pj4K Pj4+PiBUaGVyZSBhcmUgYXQgbGVhc3QgMiB3YXlzIHRvIGNoZWNrIGlmIHRoZSBOTUkgd2FzIGR1 ZSB0byBhIHdhdGNoZG9nCj4+Pj4gdGljazoKPj4+PiAtIExBUElDIChTRE0gc3RhdGVzIHRoYXQg IldoZW4gYSBwZXJmb3JtYW5jZSBtb25pdG9yaW5nIGNvdW50ZXJzCj4+Pj4gaW50ZXJydXB0IGlz IGdlbmVyYXRlZCwgdGhlIG1hc2sgYml0IGZvciBpdHMgYXNzb2NpYXRlZCBMVlQgZW50cnkKPj4+ PiBpcyBzZXQiKQo+Pj4+IC0gcGVyZiBNU1Igb3ZlcmZsb3cgYml0Cj4+Pj4KPj4+PiBTbywgaWYg d2UgZGV0ZWN0IGl0IHdhcyBhIE5NSSBkdWUgdG8gYSB3YXRjaGRvZyB1c2luZyB0aGVzZQo+Pj4+ IG1ldGhvZHMgKGVhcmx5IGluIHRoZSBOTUkgaGFuZGxlciksIHdlIGNhbiBhdm9pZCB0b3VjaGlu ZyB0aGUgcG9ydAo+Pj4+IDYxaCBhbmQgdGh1cyB0cmlnZ2VyaW5nIFNNSSBJL08gdHJhcCBvbiBp dC4gICAgCj4+PiBUaGUgcHJvYmxlbSBpcyBoYXZpbmcgbXVsdGlwbGUgTk1JcyBhcnJpdmluZy7C oCBMaWtlIGFsbCBvdGhlciBlZGdlCj4+PiB0cmlnZ2VyZWQgaW50ZXJydXB0cywgZXh0cmEgYXJy aXZhbHMgZ2V0IGRyb3BwZWQuwqAgQnkgc2tpcHBpbmcgdGhlCj4+PiAweDYxIHJlYWQgaWYgd2Ug YmVsaWV2ZSBpdCB3YXMgYSB3YXRjaGRvZyBOTUksIHdlJ3ZlIG9wZW5lZCBhIHJhY2UKPj4+IGNv bmRpdGlvbiB3aGVyZSB3ZSB3aWxsIGNvbXBsZXRlbHkgbWlzcyB0aGUgc3lzdGVtIE5NSS4gIAo+ PiBUaGVyZSBzaG91bGRuJ3QgYmUgYW55IHByb2JsZW0gSSB0aGluay4gTk1JcyBkb24ndCBuZWVk IHRvIGJlIGNsZWFyZWQKPj4gd2l0aCBFT0kgYW5kIGl0J3MgYSBjb21tb24gcHJhY3RpY2UgdG8g aGFuZGxlIE5NSXMgb25lLWJ5LW9uZSAoYXMgYQo+PiBOTUkgaGFuZGxlciBpcyBub3QgcmVlbnRy YW50IGluIGEgdHlwaWNhbCBzY2VuYXJpbykuCj4+Cj4+IEV4ZWN1dGlvbiBvZiBTTUkgZG9lc24n dCBjYXVzZSBhIHBlbmRpbmcgKGJsb2NrZWQpIE5NSSB0byBnZXQKPj4gZHJvcHBlZCwgc2ltaWxh ciBtZWNoYW5pc21zIG1pZ2h0IGJlIGVtcGxveWVkIGZvciBhIHNpbmdsZSBOTUkgd2hpY2gKPj4g YXJyaXZlZCBpbiBibG9ja2VkLWJ5LU5NSSBzdGF0ZS4gT3RoZXJ3aXNlIHRoZSB3aG9sZSB0aGlu ZyB3aWxsCj4+IGJyZWFrIC0tIG1lcmVseSBoYW5kbGluZyBhcmJpdHJhcnkgTk1JIHdpbGwgYmUg ZW5vdWdoIHRvIG1pc3MgYW55Cj4+IG90aGVyIE5NSXMuIFRoaXMgaXMgYSB0b28gb2J2aW91cyBm bGF3LiBTbyBub3JtYWxseSBpdCBzaG91bGQgYmUKPj4ganVzdCBhIG1hdHRlciB3aGljaCBOTUkg b2YgdHdvIHdpbGwgYmUgc2VydmljZWQgZmlyc3QuCj4+IFRoaXMgYXNzdW1wdGlvbiBjYW4gYmUg dmVyaWZpZWQgZW1waXJpY2FsbHkgYnkgcmVxdWVzdGluZyB0aGUgY2hpcHNldAo+PiB0byBzZW5k IGFuIGV4dGVybmFsIE5NSSB3aGlsZSBzZXJ2aW5nIGEgd2F0Y2hkb2cgTk1JIGFuZCBjaGVja2lu ZyBpZgo+PiBpdCBhcnJpdmUgbGF0ZXIgb24uICAKCj5OTUkgaGFuZGxpbmcgd29ya3MganVzdCBs aWtlIG90aGVyIGludGVycnVwdHMsIGV4Y2VwdCB0aGF0IGl0cwo+ZXF1aXZhbGVudCBvZiB0aGUg SVNSL0lSUiBzdGF0ZSBpcyBoaWRkZW4uCj4KPk9uZSBuZXcgTk1JIHdpbGwgYmVjb21lIHBlbmRp bmcgd2hpbGUgYW4gTk1JIGlzIGluIHByb2dyZXNzIChiZWNhdXNlCj50aGVyZSBpcyBhbiBJUlIg Yml0IHRvIGJlIHNldCksIGJ1dCBhbnkgZnVydGhlciB3aWxsIGJlIGRyb3BwZWQuCj4KPllvdSBj YW4gZGVtb25zdHJhdGUgdGhpcyBlYXNpbHkgYnkgaGF2aW5nIENQVXMgb3IgdGhlIGNoaXBzZXQg c2VuZAo+Tk1Jcy4KCk9uZSBpbiBzZXJ2aWNlIHdpdGggb25lIHBlbmRpbmcgaXMgZW5vdWdoIGZv ciBvdXIgc2NlbmFyaW8uIEl0IGNvdmVycwp0aGUgc2l0dWF0aW9uIHdoZW4gZWl0aGVyIHdhdGNo ZG9nIG9yIGV4dGVybmFsIE5NSSBiZWluZyBzZXJ2aWNlZCBhbmQKYW5vdGhlciAoc2luZ2xlKSBO TUkgYXJyaXZlZC4gQXMgbG9uZyBhcyB0d28gb2YgdGhlc2UgYXJlIHNlcnZpY2VkIG9uZQphZnRl ciBhbm90aGVyLCB0aGVyZSBzaG91bGRuJ3QgYmUgdHJvdWJsZSBpbiBtaXNzaW5nIE5NSXMgZHVl IHRvIE5NSQpzdGF0dXMgbWlzdW5kZXJzdGFuZGluZyAtLSBhbGwgcmVsYXRlZCBzdGF0dXMgYml0 cyBhcmUgc3RpY2t5IChpbmNsLgpNYXNrIGJpdCBpbiBMQVBJQykgYW5kIGFuZCB3b24ndCBnbyBh d2F5IGlmIHR3byBOTUlzIGV4ZWN1dGVkIGluIGVpdGhlcgpvcmRlciwgcHJvdmlkZWQgdGhleSBi b3RoIGV4ZWN1dGVkLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5v cmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZl bA==