From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [PATCH v5 3/9] x86/head: Move early exception panic code into early_fixup_exception Date: Mon, 4 Apr 2016 08:32:21 -0700 Message-ID: References: <4085070316fc3ab29538d3fcfe282648d1d4ee2e.1459605520.git.luto@kernel.org> <20160402183919.GA2538@pd.tnic> <20160402204752.GC2538@pd.tnic> <20160404115206.GG8372@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160404115206.GG8372@quack.suse.cz> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Kara Cc: KVM list , Peter Zijlstra , Linus Torvalds , X86 ML , "linux-kernel@vger.kernel.org" , Petr Mladek , xen-devel , Borislav Petkov , Paolo Bonzini , Andrew Morton , Arjan van de Ven List-Id: xen-devel@lists.xenproject.org T24gQXByIDQsIDIwMTYgNDo1MSBBTSwgIkphbiBLYXJhIiA8amFja0BzdXNlLmN6PiB3cm90ZToK Pgo+IE9uIFNhdCAwMi0wNC0xNiAxMzo1ODoxOSwgQW5keSBMdXRvbWlyc2tpIHdyb3RlOgo+ID4g W2NjIEphbiBLYXJhXQo+ID4KPiA+IE9uIFNhdCwgQXByIDIsIDIwMTYgYXQgMTo0NyBQTSwgQm9y aXNsYXYgUGV0a292IDxicEBhbGllbjguZGU+IHdyb3RlOgo+ID4gPiBPbiBTYXQsIEFwciAwMiwg MjAxNiBhdCAwMToxMzozN1BNIC0wNzAwLCBBbmR5IEx1dG9taXJza2kgd3JvdGU6Cj4gPiA+PiBH aXZlbiB0aGF0IEkgdGhpcyBpc24ndCByZWFsbHkgYSByZWdyZXNzaW9uIHdpdGggbXkgcGF0Y2hl cyAoaXQKPiA+ID4+IHByb2JhYmx5IG5ldmVyIHdvcmtlZCBtdWNoIGJldHRlciBvbiAzMi1iaXQg YW5kIHRoZSByZWdzIG5ldmVyIHdvdWxkCj4gPiA+PiBoYXZlIHNob3duIGF0IGFsbCBvbiA2NC1i aXQpLAo+ID4gPgo+ID4gPiBZb3UncmUgcmlnaHQuIFRoYXQgdGhpbmcgY2FsbHMgcHJpbnRrICph bmQqIGVhcmx5X3ByaW50aywgV1RGOgo+ID4gPgo+ID4gPiAjaWZkZWYgQ09ORklHX0VBUkxZX1BS SU5USwo+ID4gPgo+ID4gPiAgICAgICAgIGNhbGwgZWFybHlfcHJpbnRrCj4gPiA+ICAgICAgICAg Li4uCj4gPiA+Cj4gPiA+ICAgICAgICAgY2FsbCBkdW1wX3N0YWNrCj4gPiA+Cj4gPiA+ICAgICAg ICAgLi4uCj4gPiA+Cj4gPiA+ICAgICAgICAgY2FsbCBfX3ByaW50X3N5bWJvbAo+ID4gPgo+ID4g PiB0aG9zZSBsYXN0IHR3byBjYWxsIHByaW50ay4gR3JlYXQuCj4gPiA+Cj4gPiA+PiBJIHByb3Bv c2UgYSBkaWZmZXJlbnQgYXBwcm9hY2g6IG1ha2UKPiA+ID4+IHByaW50ayB3b3JrIGVhcmxpZXIu ICBTb21ldGhpbmcgbGlrZToKPiA+ID4+Cj4gPiA+PiBpZiAoZWFybHkpIHsKPiA+ID4+ICAgICBl YXJseV9wcmludGsoYXJncyk7Cj4gPiA+PiB9Cj4gPiA+Pgo+ID4gPj4gb3IgZWFybHlfdnByaW50 ayBvciB3aGF0ZXZlci4KPiA+ID4+Cj4gPiA+PiBJZiB0aGUgY29zdCBvZiBhIGJyYW5jaCBtYXR0 ZXJlZCwgdGhpcyBjb3VsZCBiZSBhbHRlcm5hdGl2ZS1wYXRjaGVkCj4gPiA+PiBvdXQgbGF0ZXIg b24sIGJ1dCB0aGF0IHNlZW1zIHNpbGx5LiAgSSBhbHNvIGJldCB0aGF0IGEgbW9yZSBzZW5zaWJs ZQo+ID4gPj4gZmFsbGJhY2sgY291bGQgYmUgY3JlYXRlZCBpbiB3aGljaCBwcmludGsgd291bGQg dHJ5IHRvIHVzZSBhbiBlYXJseQo+ID4gPj4gY29uc29sZSBpZiB0aGVyZSdzIG5vIHJlYWwgY29u c29sZS4KPiA+ID4KPiA+ID4gU28gaG93IGFib3V0IHRoaXM6Cj4gPiA+Cj4gPiA+IHByaW50aygp IGRvZXMKPiA+ID4KPiA+ID4gICAgICAgICB2cHJpbnRrX2Z1bmMgPSB0aGlzX2NwdV9yZWFkKHBy aW50a19mdW5jKTsKPiA+ID4KPiA+ID4gYW5kIHRoYXQncwo+ID4gPgo+ID4gPiBERUZJTkVfUEVS X0NQVShwcmludGtfZnVuY190LCBwcmludGtfZnVuYykgPSB2cHJpbnRrX2RlZmF1bHQKPiA+ID4K PiA+ID4gSSBndWVzcyB3ZSBjYW4gbWFrZSB0aGF0IGZ1bmN0aW9uIGJlIGVhcmx5X3ByaW50ay1z b21ldGhpbmcgYW5kIG9uY2UKPiA+ID4gcHJpbnRrIGlzIGluaXRpYWxpemVkLCB3ZSBvdmVyd3Jp dGUgaXQgd2l0aCB2cHJpbnRrX2RlZmF1bHQuCj4gPiA+Cj4gPiA+IEVsZWdhbnQgYW5kIG5vIG5l ZWQgZm9yIGlmIGJyYW5jaGVzIGFuZCBhbHRlcm5hdGl2ZXMuCj4gPiA+Cj4gPiA+IEhtbW0uCj4g Pgo+ID4gSmFuLCBJSVJDIHlvdSB3ZXJlIGxvb2tpbmcgYXQgcHJpbnRrIHJlY2VudGx5LWlzaC4g IEFueSB0aG91Z2h0cyBoZXJlPwo+Cj4gU291bmRzIGxpa2UgYSBnb29kIGlkZWEgdG8gbWUuIEkn dmUgYWxzbyBjb25zdWx0ZWQgdGhpcyB3aXRoIFBldHIgTWxhZGVrCj4gKGFkZGVkIHRvIENDKSB3 aG8gaXMgdXNpbmcgcHJpbnRrX2Z1bmMgcGVyLWNwdSB2YXJpYWJsZSBpbiBoaXMKPiBwcmludGst ZnJvbS1OTUkgcGF0Y2hlcyBhbmQgaGUgYWxzbyBkb2Vzbid0IHNlZSBhIHByb2JsZW0gd2l0aCB0 aGlzLgo+Cj4gSSB3YXMganVzdCB3b25kZXJpbmcgYWJvdXQgb25lIHRoaW5nIC0gdGhpcyB3YXkg d2UgYWRkIG1vcmUgZWFybHkgcHJpbnRrcwo+IGlmIEkgdW5kZXJzdGFuZCB5b3VyIGludGVudGlv biByaWdodC4gQXJlIHdlIGd1YXJhbnRlZWQgdGhhdCB0aGV5IGhhcHBlbgo+IG9ubHkgZnJvbSBh IHNpbmdsZSBDUFU/IEJlY2F1c2UgY3VycmVudGx5IHRoZXJlIGlzIG5vIGxvY2tpbmcgaW4KPiBl YXJseV9wcmludGsoKSBhbmQgdGh1cyB3ZSBjYW4gZW5kIHVwIHdyaXRpbmcgdG8gZWFybHkgY29u c29sZSBzZXZlcmFsCj4gbWVzc2FnZXMgaW4gcGFyYWxsZWwgZnJvbSBkaWZmZXJlbnQgQ1BVcy4g Tm90IHN1cmUgd2hhdCdzIGdvaW5nIHRvIGhhcHBlbgo+IGluIHRoYXQgY2FzZS4uLgoKQWRkaW5n IGxvY2tpbmcgd291bGQgYmUgZWFzeSBlbm91Z2gsIHdvdWxkbid0IGl0PwoKQnV0IGRvIGFueSBw bGF0Zm9ybXMgcmVhbGx5IGJvb3QgYSBzZWNvbmQgQ1BVIGJlZm9yZSBzd2l0Y2hpbmcgdG8gcmVh bApwcmludGs/ICBHaXZlbiB0aGF0IEkgc2VlIGFsbCB0aGUgc21wYm9vdCBzdHVmZiBpbiBkbWVz ZywgSSBndWVzcyByZWFsCnByaW50ayBoYXBwZW5zIGZpcnN0LiAgSSBhZG1pdCBJIGhhdmVuJ3Qg YWN0dWFsbHkgY2hlY2tlZC4KCi0tQW5keQoKPgo+ICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBIb256YQo+IC0tCj4gSmFuIEth cmEgPGphY2tAc3VzZS5jb20+Cj4gU1VTRSBMYWJzLCBDUgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2 ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK