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: Wed, 7 Feb 2018 03:08:43 +1000 Message-ID: <20180207030843.00007458@gmail.com> References: <1517865522-3248-1-git-send-email-igor.druzhinin@citrix.com> <20180206131026.00007e4b@gmail.com> <7b01487b-d7a3-eb2a-6a5b-023f33aaa974@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <7b01487b-d7a3-eb2a-6a5b-023f33aaa974@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 , jbeulich@suse.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gVHVlLCA2IEZlYiAyMDE4IDE0OjIxOjEyICswMDAwCkFuZHJldyBDb29wZXIgPGFuZHJldy5j b29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgoKPk9uIDA2LzAyLzE4IDAzOjEwLCBBbGV4ZXkgRyB3 cm90ZToKPj4gSS9PIHBvcnQgNjFoIG5vcm1hbGx5IGlzIG5vdCBlbXVsYXRlZCBieSBTTUkgbGVn YWN5IGtiZCBoYW5kbGluZyBjb2RlCj4+IGluIEJJT1MsIG9ubHkgcG9ydHMgbGlrZSA2MGgsIDY0 aCwgZXRjLgo+PiBDb250cmFyeSB0byBVU0IgbGVnYWN5IGVtdWxhdGlvbiwgaXQgaGFzIHRvIGlu dGVyY2VwdCBwb3J0IDYxaCB2aWEgYQo+PiBkaWZmZXJlbnQgYXBwcm9hY2ggLS0gZ2VuZXJpYyBT TUkgSS9PIHRyYXAsIHdoaWNoIGlzIG5vdCBjb21tb24gKGF0Cj4+IGxlYXN0IGl0IHdhcykgdG8g dXNlIGJ5IEJJT1Nlcy4uLiBhbHRob3VnaCBpdCBpcyBwb3NzaWJsZSBhcyBFRkkKPj4gaW50ZXJm YWNlIGFuZCBjb2RlIGZvciB0aGlzIGlzIGF2YWlsYWJsZS4gVGhlIGFzc3VtcHRpb24gYWJvdXQg cG9ydAo+PiA2MWggYmVpbmcgdHJhcHBlZCBieSB0aGUgU01JIGhhbmRsZXIgbXVzdCBiZSBleHBs aWNpdGx5IGNvbmZpcm1lZCBieQo+PiBjaGVja2luZyBJL08gVHJhcCBjb250cm9sIHJlZ3MgaW4g dGhlIFJDQkEgcmVnaW9uLgo+Pgo+PiBJZiBJL08gdHJhcCByZWdzIHdvbid0IHNob3cgYW4gYWN0 aXZlIEkvTyB0cmFwIG9uIEkvTyBwb3J0IDYxaCAtLSB0aGUKPj4gcm9vdCBjYXVzZSBtaWdodCBi ZSBkaWZmZXJlbnQgKG1pZ2h0IGV2ZW4gYmUgcmVsYXRlZCB0byBzdHVmZiBsaWtlCj4+IE5NSTJT TUkgbG9naWMpLgo+Pgo+PiBJZiB0aGUgcHJvYmxlbSBpcyBhY3R1YWxseSBkdWUgdG8gTk1JIGhh bmRsZXIgYmVpbmcgcHJlZW1wdGVkIGJ5Cj4+IGFub3RoZXIgTk1JIHdoaWNoIG9jY3VycmVkIGFm dGVyIChhIGxvbmcpIGV4ZWN1dGlvbiBvZiB0cmlnZ2VyZWQgU01JCj4+IGhhbmRsZXIsIGl0IG1p Z2h0IGJlIGJldHRlciB0byBkbyBhbGwgc2Vuc2l0aXZlIHN0dWZmIGJlZm9yZQo+PiByZS1lbmFi bGluZyBOTUlzIGJ5IElSRVQgaW4gdGhlIE5NSSBoYW5kbGVyLiAgCj4KPlRoZSBwcm9ibGVtIGlz IHRoYXQgdGhlIFNNSSBoYW5kbGVyIGV4ZWN1dGVzIGVub3VnaCBpbnN0cnVjdGlvbnMgdG8KPnRy aWdnZXIgYW5vdGhlciBOTUkgKHdoaWNoIGlzIGJhc2VkIG9uIHRoZSByZXRpcmVkIGluc3RydWN0 aW9uIGNvdW50KSwKPndoaWNoIGdldHMgZGVsaXZlcmVkIG9uY2UgdGhlIFNNSSBoYW5kbGVyIHJl dHVybnMsIGFuZCBzZXJ2aWNpbmcgdGhlCj5OTUkgdHJpZ2dlcnMgYSBuZXcgU01JLCB3aGljaCB0 cmlnZ2VycyBhIG5ldyBOTUkuwqAgVGhpcyBpcyB3aHkgdGhlCj5zeXN0ZW0gc3RhbGxzLgo+Cj5J J2xsIGxlYXZlIHRoZSBob3cvd2h5IHBvcnQgMHg2MSBpcyB0cmFwcGluZyB0byBTTUkgdG8gSWdv ciwgYnV0IGl0IGlzCj5vbmx5IGEgc2Vjb25kYXJ5IGNvbmNlcm4gaGVyZS7CoCBXZSBjYW5ub3Qg cmVhc29uYWJseSBoYXZlIHRoZSB3YXRjaGRvZwo+YWJsZSB0byB0cmlwIGJlY2F1c2Ugb2YgZXhj bHVzaXZlbHkgU01JIGFjdGl2aXR5LCBvciB3ZSdsbCBwb3RlbnRpYWxseQo+bGl2ZWxvY2sgYW55 d2hlcmUuCgpUaGUgbWFqb3IgY29uY2VybiBoZXJlIGlzIHRoZSBwb3NzaWJsaXR5IG9mIFNNSSBi ZWluZyB0cmlnZ2VyZWQgX25vdF8KYnkgc29tZSBzcGVjaWZpYyBJL08gcG9ydCBhY2Nlc3MuIFBy aW1hcmlseSwgaWYgaXQgYWN0dWFsbHkgd2FzIGEKcGVyaW9kaWMgU01JLgoKSWYgdGhlIGFjdHVh bCBTTUkgc291cmNlIGlzIG5vdCByZWxhdGVkIHRvIHNvbWUgcGxhY2UgaW4gdGhlIE5NSQpoYW5k bGVyIGNvZGUgYnV0IHdhcyBlZy4gZHVlIHRvIHNvbWUgU01JIHRpbWVyLCBsb3dlcmluZyBOTUkg d2F0Y2hkb2cKZnJlcXVlbmN5IG1pZ2h0IG5vdCBmaXggdGhlIGlzc3VlIGNvbXBsZXRlbHksIGJ1 dCBsb3dlciBpdHMKcmVwcm9kdWNpYmlsaXR5IChwZXJoYXBzIHRvIHNvbWUgdmVyeSByYXJlIG9j Y3VycmVuY2VzKS4gU28gaXQncyBiZXR0ZXIKYmUgc3VyZSB3aGF0IHdhcyB0aGUgcmVhbCBzb3Vy Y2Ugb2YgU01JLgoKVGhlcmUgYXJlIDIgd2VhayBzcG90cyBpbiB0aGUgYW5hbHlzaXM6CgoxLiBU cmlnZ2VyaW5nIFNNSSBieSByZWFkaW5nIEkvTyBwb3J0IDYxaCAtLSBpbnRlcmNlcHRpbmcgdGhl IHBvcnQgNjFoCmlzIG5vbi10eXBpY2FsIGJlaGF2aW9yIGZvciBCSU9TICh1bmxpa2UgNjBoLzY0 aCkKCjIuIEFjY29yZGluZyB0byB0aGUgY29kZSwgaXQgbG9va3MgbGlrZSBOTUkgc3RhdHVzIHJl YWRpbmcgaGFwcGVucyB3aGlsZQpOTUlzIGFyZSBzdGlsbCBibG9ja2VkIC0tIHRoaXMgbWVhbnMg dGhhdCBTTUkgaGFuZGxlciBtdXN0IGV4ZWMgSVJFVApieSBpdHNlbGYgdG8gcmVzZXQgTk1JIGJs b2NraW5nIHN0YXRlIC0tIGFnYWluLCB0aGlzIGlzIHBvc3NpYmxlIChlZy4KaW4gdW5yZWFsLT5w cm90bW9kZSBzd2l0Y2hpbmcgY29kZSksIGJ1dCBub3QgbGlrZWx5LgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==