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 12:01:54 -0400 Message-ID: References: <20170420132453.19652-1-vkuznets@redhat.com> <20170420150615.ns3343rokvmc3kjt@hirez.programming.kicks-ass.net> <87fuh3xf2i.fsf@vitty.brq.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d1EXb-0003PJ-Fl for xen-devel@lists.xenproject.org; Thu, 20 Apr 2017 16:02:43 +0000 In-Reply-To: <87fuh3xf2i.fsf@vitty.brq.redhat.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Vitaly Kuznetsov , Peter Zijlstra 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 T24gMDQvMjAvMjAxNyAxMTo0MCBBTSwgVml0YWx5IEt1em5ldHNvdiB3cm90ZToKPiBQZXRlciBa aWpsc3RyYSA8cGV0ZXJ6QGluZnJhZGVhZC5vcmc+IHdyaXRlczoKPgo+PiBPbiBUaHUsIEFwciAy MCwgMjAxNyBhdCAwMzoyNDo1M1BNICswMjAwLCBWaXRhbHkgS3V6bmV0c292IHdyb3RlOgo+Pj4g SW4gdGhpcyBwYXRjaCBJIHN1Z2dlc3Qgd2Ugc2V0IF9fbWF4X2xvZ2ljYWxfcGFja2FnZXMgYmFz ZWQgb24gdGhlCj4+PiBtYXhfcGh5c2ljYWxfcGtnX2lkIGFuZCB0b3RhbF9jcHVzLAo+PiBTbyBt eSA0IHNvY2tldCAxNDQgQ1BVIHN5c3RlbSB3aWxsIHRoZW4gZ2V0IG1heF9waHlzaWNhbF9wa2df aWQ9MTQ0LAo+PiBpbnN0ZWFkIG9mIDQuCj4+Cj4+IFRoaXMgd2FzdGVzIHF1aXRlIGEgYml0IG9m IG1lbW9yeSBmb3IgdGhlIHBlci1ub2RlIGFycmF5cy4gTHVja2lseSBtb3N0Cj4+IGFyZSBqdXN0 IHBvaW50ZXIgYXJyYXlzLCBidXQgc3RpbGwsIHdhc3RpbmcgMTQwKjggYnl0ZXMgZm9yIGVhY2gg b2YKPj4gdGhlbS4KPj4KPj4+IHRoaXMgc2hvdWxkIGJlIHNhZmUgYW5kIGNvdmVyIGFsbAo+Pj4g cG9zc2libGUgY2FzZXMuIEFsdGVybmF0aXZlbHksIHdlIG1heSB0aGluayBhYm91dCBlbGltaW5h dGluZyB0aGUgY29uY2VwdAo+Pj4gb2YgX19tYXhfbG9naWNhbF9wYWNrYWdlcyBjb21wbGV0ZWx5 IGFuZCByZWx5aW5nIG9uIG1heF9waHlzaWNhbF9wa2dfaWQvCj4+PiB0b3RhbF9jcHVzIHdoZXJl IHdlIGN1cnJlbnRseSB1c2UgdG9wb2xvZ3lfbWF4X3BhY2thZ2VzKCkuCj4+Pgo+Pj4gVGhlIGlz c3VlIGNvdWxkJ3ZlIGJlZW4gc29sdmVkIGluIFhlbiB0b28gSSBndWVzcy4gQ1BVSUQgcmV0dXJu aW5nCj4+PiB4ODZfbWF4X2NvcmVzIGNhbiBiZSB0d2Vha2VkIHRvIGJlIHRoZSBsb3dlcmVzdCg/ KSBwb3NzaWJsZSBudW1iZXIgb2YKPj4+IGFsbCBsb2dpY2FsIHBhY2thZ2VzIG9mIHRoZSBndWVz dC4KPj4gVGhpcyBpcyBnZXR0aW5nIGx1ZGljcm91cy4gWGVuIGlzIHBsYWluIGJyb2tlbiwgYW5k IGluc3RlYWQgb2YgZml4aW5nCj4+IGl0LCB5b3UgcHJvcG9zZSB0byBzb21laG93IGRlYWwgd2l0 aCBpdHMgb2J2aW91c2x5IGNyYWNrIGluZHVjZWQKPj4gYmVoYXZpb3VyIDotKAo+IFRvdGFsbHkg YWdyZWUgYW5kIEkgZG9uJ3QgbGlrZSB0aGUgc29sdXRpb24gSSBwcm9wb3NlIChhbmQgdGhhdCdz IHdoeQo+IHRoaXMgaXMgUkZDKS4uLiBUaGUgcHJvYmxlbSBpcyB0aGF0IHRoZXJlIGFyZSBzdWNo IFhlbiBzZXR1cHMgaW4gdGhlCj4gd2lsZCBhbmQgd2l0aCB0aGUgcmVjZW50IGNoYW5nZXMgc29t ZSBndWVzdHMgd2lsbCBCVUcoKSA6LSgKPgo+IEFsdGVybmF0aXZlbHksIHdlIGNhbiBqdXN0IHJl bW92ZSB0aGUgQlVHKCkgYW5kIGRvIHNvbWV0aGluZyB3aXRoIENQVXMKPiB3aGljaCBoYXZlIHRo ZWlyIHBrZyA+PSBfX21heF9sb2dpY2FsX3BhY2thZ2VzLCBlLmcuIGFzc2lnbiB0aGVtIHRvIHRo ZQo+IGxhc3QgcGFja2FnZS4gRmFyIGZyb20gaWRlYWwgYnV0IHdpbGwgaGVscCB0byBhdm9pZCB0 aGUgcmVncmVzc2lvbi4KCkRvIHlvdSBvYnNlcnZlIHRoaXMgZmFpbHVyZSBvbiBQViBvciBIVk0g Z3Vlc3Q/CgpXZSd2ZSBoYWQgYSBudW1iZXIgb2YgaXNzdWVzIHdpdGggdG9wb2xvZ3kgZGlzY292 ZXJ5IGZvciBQViBndWVzdHMgYnV0CkFGQUlLIHRoZXkgaGF2ZSBiZWVuIGFkZHJlc3NlZCAoc28g ZmFyKS4gSSB3b25kZXIgdGhvdWdoIHdoZXRoZXIgaXQKd291bGQgbWFrZSBzZW5zZSB0byBoYXZl IHNvbWUgc29ydCBvZiBhIGNhbGxiYWNrIChvciBhbiBzbXBfb3BzLm9wKSB0bwpvdmVycmlkZSBu YXRpdmUgdG9wb2xvZ3kgaW5mbywgaWYgbmVlZGVkLgoKLWJvcmlzCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==