From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH RFC] x86/smpboot: Set safer __max_logical_packages limit Date: Thu, 20 Apr 2017 13:09:43 -0400 Message-ID: References: <20170420132453.19652-1-vkuznets@redhat.com> <20170420150615.ns3343rokvmc3kjt@hirez.programming.kicks-ass.net> <87fuh3xf2i.fsf@vitty.brq.redhat.com> <20170420161503.vr7nc2czjht7g2v3@hirez.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d1Fb7-00013m-Pq for xen-devel@lists.xenproject.org; Thu, 20 Apr 2017 17:10:25 +0000 In-Reply-To: <20170420161503.vr7nc2czjht7g2v3@hirez.programming.kicks-ass.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Peter Zijlstra , Vitaly Kuznetsov Cc: Prarit Bhargava , Juergen Gross , x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , "H. Peter Anvin" , xen-devel@lists.xenproject.org, Thomas Gleixner , Borislav Petkov List-Id: xen-devel@lists.xenproject.org T24gMDQvMjAvMjAxNyAxMjoxNSBQTSwgUGV0ZXIgWmlqbHN0cmEgd3JvdGU6Cj4gT24gVGh1LCBB cHIgMjAsIDIwMTcgYXQgMDU6NDA6MzdQTSArMDIwMCwgVml0YWx5IEt1em5ldHNvdiB3cm90ZToK Pj4+IFRoaXMgaXMgZ2V0dGluZyBsdWRpY3JvdXMuIFhlbiBpcyBwbGFpbiBicm9rZW4sIGFuZCBp bnN0ZWFkIG9mIGZpeGluZwo+Pj4gaXQsIHlvdSBwcm9wb3NlIHRvIHNvbWVob3cgZGVhbCB3aXRo IGl0cyBvYnZpb3VzbHkgY3JhY2sgaW5kdWNlZAo+Pj4gYmVoYXZpb3VyIDotKAo+PiBUb3RhbGx5 IGFncmVlIGFuZCBJIGRvbid0IGxpa2UgdGhlIHNvbHV0aW9uIEkgcHJvcG9zZSAoYW5kIHRoYXQn cyB3aHkKPj4gdGhpcyBpcyBSRkMpLi4uIFRoZSBwcm9ibGVtIGlzIHRoYXQgdGhlcmUgYXJlIHN1 Y2ggWGVuIHNldHVwcyBpbiB0aGUKPj4gd2lsZCBhbmQgd2l0aCB0aGUgcmVjZW50IGNoYW5nZXMg c29tZSBndWVzdHMgd2lsbCBCVUcoKSA6LSgKPj4KPj4gQWx0ZXJuYXRpdmVseSwgd2UgY2FuIGp1 c3QgcmVtb3ZlIHRoZSBCVUcoKSBhbmQgZG8gc29tZXRoaW5nIHdpdGggQ1BVcwo+PiB3aGljaCBo YXZlIHRoZWlyIHBrZyA+PSBfX21heF9sb2dpY2FsX3BhY2thZ2VzLCBlLmcuIGFzc2lnbiB0aGVt IHRvIHRoZQo+PiBsYXN0IHBhY2thZ2UuIEZhciBmcm9tIGlkZWFsIGJ1dCB3aWxsIGhlbHAgdG8g YXZvaWQgdGhlIHJlZ3Jlc3Npb24uCj4gU28gY3VycmVudGx5IG5vbmUgb2YgdGhlIHN0dWZmIHRo YXQgdXNlcyB0aGlzIHNob3VsZCBhcHBlYXIgaW4gWGVuLiBJdHMKPiBhbGwgZHJpdmVycyBmb3Ig aGFyZHdhcmUgdGhhdCBpc24ndCB2aXJ0dWFsaXplZCAoYWZhaWspLiBTbyBhc3NpZ25pbmcgdG8K PiB0aGUgbGFzdCBwYWNrYWdlICd3b3JrcycuCj4KPiBCdXQgdGhlIG1vbWVudCB0aGlzIGVuZHMg dXAgZ2V0dGluZyB1c2VkIHRoYXQgZXhwbG9kZXMsIGJlY2F1c2Ugd2UnbGwKPiBuZWVkIGRpZmZl cmVudCBvYmplY3QgaW5zdGFuY2VzIGZvciBlYWNoIHBpZWNlIG9mIGhhcmR3YXJlLgoKClRoaXMg YWxyZWFkeSBnZXRzIHVzZWQuIEkgZG9uJ3QgcmVtZW1iZXIgZGV0YWlscyBidXQgd2UgaGFkIHRv IGZpeApzb21ldGhpbmcgZHVlIHRvIFJBUEwgY29kZSByZWZlcmVuY2luZyB0b3BvbG9neSBpbmZv IChhbmQgeWVzLCB0aGVyZSBpcwpubyByZWFzb24gZm9yIGEgZ3Vlc3QgdG8gdXNlIFJBUEwsIGJ1 dCB3ZSBzaG91bGRuJ3QgY3Jhc2ggbmVpdGhlcikKCgo+Cj4gVGhlcmUganVzdCBpc24ndCBhIGdv b2Qgc29sdXRpb247IG9uIHRoZSBvbmUgaGFuZCB0aGUgQklPUyBpcyBwcm9uZSB0bwo+IHByb3Zp ZGluZyBjcmFwIG51bWJlcnMsIG9uIHRoZSBvdGhlciBoYW5kIHZpcnQgKGVzcC4gWGVuIGFzIGl0 IHR1cm5zCj4gb3V0KSBwcm92aWRlcyBhYnNvbHV0ZWx5IGJvbmtlcnMvaW5jb25zaXN0ZW50IHRv cG9sb2d5IGluZm9ybWF0aW9uLgo+Cj4gVmVyeSBmcnVzdHJhdGluZyA6LS8KPgoKU28gd2UgbWln aHQgbmVlZCBhIHdheSB0byBieXBhc3MgdG9wb2xvZ3kgZGlzY292ZXJ5IGFuZCBwcmVzZW50IHNv bWUKc29ydCBvZiBkZWZhdWx0IHRvcG9sb2d5IChzaW5nbGUgcGFja2FnZSwgb3IgMSBDUFUgcGVy IHBhY2thZ2UsIGZvcgpleGFtcGxlKSBhbmQgaWdub3JlIEFQSUNJRCBhbmQgYWxsIHRoYXQuCgot Ym9yaXMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhl bi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0 cy54ZW4ub3JnL3hlbi1kZXZlbAo=