From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH] arm: p2m.c bug-fix: hypervisor hang on __p2m_get_mem_access Date: Wed, 27 Jan 2016 11:42:10 +0000 Message-ID: <1453894930.26591.8.camel@citrix.com> References: <1453808778-4292-1-git-send-email-czuzu@bitdefender.com> <1453824866.25257.25.camel@citrix.com> <56A89338.8040409@bitdefender.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <56A89338.8040409@bitdefender.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: CORNELIU ZUZU , xen-devel List-Id: xen-devel@lists.xenproject.org KHdlIHdlbnQgb2ZmbGlzdCBieSBtaXN0YWtlIHdpdGhvdXQgbm90aWNpbmcsIHJlc2VuZGluZyBt eSBsYXN0IHJlcGx5IHdoaWNoCkkgdGhpbmsgaGFzIHN1ZmZpY2llbnQgY29udGV4dC9xdW90aW5n IHRvIG1ha2Ugc2Vuc2UpCgpPbiBXZWQsIDIwMTYtMDEtMjcgYXQgMTE6NTEgKzAyMDAsIENPUk5F TElVIFpVWlUgd3JvdGU6Cj4gT24gMS8yNi8yMDE2IDY6MTQgUE0sIElhbiBDYW1wYmVsbCB3cm90 ZToKPiA+IE9uIFR1ZSwgMjAxNi0wMS0yNiBhdCAxMzo0NiArMDIwMCwgQ29ybmVsaXUgWlVaVSB3 cm90ZToKPiA+ID4gV2hlbiBfX3AybV9nZXRfbWVtX2FjY2VzcyBnZXRzIGNhbGxlZCwgdGhlIHAy bSBsb2NrIGlzIGFscmVhZHkgdGFrZW4KPiA+ID4gYnkgZWl0aGVyIGdldF9wYWdlX2Zyb21fZ3Zh IG9yIHAybV9nZXRfbWVtX2FjY2Vzcy4KPiA+ID4gCj4gPiA+IFBvc3NpYmxlIGNvZGUgcGF0aHM6 Cj4gPiA+IDEpCS0+IGdldF9wYWdlX2Zyb21fZ3ZhCj4gPiA+IAkJLT4gcDJtX21lbV9hY2Nlc3Nf Y2hlY2tfYW5kX2dldF9wYWdlCj4gPiA+IAkJCS0+IF9fcDJtX2dldF9tZW1fYWNjZXNzCj4gPiA+ IDIpCS0+IHAybV9nZXRfbWVtX2FjY2Vzcwo+ID4gPiAJCS0+IF9fcDJtX2dldF9tZW1fYWNjZXNz Cj4gPiBXaGF0IGFib3V0Ogo+ID4gCS0+IHAybV9tZW1fYWNjZXNzX2NoZWNrCj4gPiAJCS0+IHAy bV9nZXRfbWVtX2FjY2Vzcwo+ID4gSSBjYW4ndCBzZWUgdGhlIGxvY2sgYmVpbmcgdGFrZW4gaW4g dGhhdCBwYXRocy4KPiAKPiBZZXMsIHRoYXQncyBjb2RlIHBhdGggIzIgSSd2ZSBwcmV2aW91c2x5 IG1lbnRpb25lZCwgdGhlIGxvY2sgaXMgZmlyc3QgCj4gdGFrZW4gaW4gcDJtX2dldF9tZW1fYWNj ZXNzIChpLmUuIHRoZSBsaW5lICdzcGluX2xvY2soJnAybS0+bG9jayknKSwKPiBiZWZvcmUgX19w Mm1fZ2V0X21lbV9hY2Nlc3MgaXMgY2FsbGVkLgoKT2ggeWVzLCBub3Qgc3VyZSBob3cgSSBnb3Qg bXlzZWxmIGNvbmZ1c2VkIHRoZXJlLgoKPiBJJ20gbG9va2luZyBAIHRoZSBtYXN0ZXIgYnJhbmNo IG9mIGdpdDovL3hlbmJpdHMueGVucHJvamVjdC5vcmcveGVuLmdpdCAKPiAoYWx0aG91Z2ggd2Un dmUgaGl0IHRoaXMgYnVnIG9uIHRoZSA0LjYgc3RhYmxlIHJlcG8pLgo+IAo+ID4gCj4gPiBBcyB3 ZWxsIGFzIGZpeGluZyB0aGF0IEkgdGhpbmsgaXQgd291bGQgYmUgd2lzZSB0byBhZGQgYW4gYXNz ZXJ0IHRoYXQKPiA+IHRoZQo+ID4gbG9jayBpcyBoZWxkIGJlZm9yZSB0aGUgY2FsbCB0byBwMm1f bG9va3VwIHdoaWNoIHlvdSBhcmUgY2hhbmdpbmcgaW50bwo+ID4gdGhlCj4gPiB1bmxvY2tlZCB2 YXJpYW50Lgo+IAo+IEdvb2QgaWRlYSwgZGlkbid0IGtub3cgb25lIGNvdWxkIGRvIHRoYXQuCj4g Q29uY3JldGVseSwgSSBzdXBwb3NlIHRoaXMgd291bGQgYmUgZG9uZSBieQo+IAo+IEFTU0VSVChz cGluX2lzX2xvY2tlZCgmcDJtLT5sb2NrKSk7Cj4gCj4gPwoKUmlnaHQuCgo+IAo+IE9uZSBxdWVz dGlvbiB0aG91Z2guIEl0IHNlZW1zIHRoYXQgZXZlcnl0aW1lIF9fcDJtX2dldF9tZW1fYWNjZXNz IGlzIAo+IGNhbGxlZCwgdGhlIGxvY2sgaXMgdGFrZW4gKmJlZm9yZSB0aGUgY2FsbCosIG5vdCB3 aXRoaW4gdGhlCj4gZnVuY3Rpb24gaXRzZWxmLgoKUmlnaHQuIEl0J3MgYSBjb21tb24gKGJ1dCBi eSBubyBtZWFuIHVuaXZlcnNhbCkgY29udmVudGlvbiB3aXRoaW4gWGVuIHRoYXQKYSBfX2ZvbyBm dW5jdGlvbiBpcyBhIHZlcnNpb24gb2YgZm9vIHdoaWNoIGV4cGVjdHMgdGhlIHJlbGV2YW50IGxv Y2socykgdG8KYWxyZWFkeSBiZSBoZWxkLgoKPiBTaW5jZSBfX3AybV9nZXRfbWVtX2FjY2VzcyBh bHNvIGFjY2Vzc2VzIG90aGVyIGZpZWxkcyBvZiB0aGUgcDJtIHBvaW50ZXIgCj4gKGUuZy4gJ3Ay bS0+bWVtX2FjY2Vzc19lbmFibGVkJyksCj4gaW5jbHVkaW5nIHBlcmZvcm1pbmcgYSByYWRpeCB0 cmVlIGxvb2t1cCBiZWZvcmUgY2FsbGluZyBwMm1fbG9va3VwLCAKPiBkb2Vzbid0IHRoaXMgbWVh biB0aGF0Cj4gdGhlIHAybSBsb2NrIGlzIGFsc28gbmVlZGVkIGZvciB0aGVzZSBhY2Nlc3NlcyAo ZXNwZWNpYWxseSBmb3IgdGhlIHJhZGl4IAo+IHRyZWUgbG9va3VwKT8gQW5kIGlmIHNvLAo+IHNo b3VsZG4ndCBJIHBvc2l0aW9uIHRoZSBhc3NlcnRpb24gbGluZSBAIHRoZSAqYmVnaW5uaW5nKiBv ZiAKPiBfX3AybV9nZXRfbWVtX2FjY2VzcywgZS5nLiBqdXN0IGJlZm9yZSAnaWYgKCAhcDJtLT5t ZW1fYWNjZXNzX2VuYWJsZWQgKSc/CgpZZXMsIHNpbmNlIHAybV9nZXRfbWVtX2FjY2VzcyByZXF1 aXJlcyB0aGUgbG9jayB0byBiZSB0YWtlbiBvbiBlbnRyeSBpdAptYWtlcyBzZW5zZSB0byBwdXQg dGhlIGFzc2VydCBhcyBuZWFyIHRoZSB0b3Agb2YgdGhlIGZ1bmN0aW9uIGFzIHBvc3NpYmxlLsKg CgpUaGlzIGlzIHRydWUgd2hldGhlciB0aGUgaW5pdGlhbCBiaXQgb2YgdGhlIGZ1bmN0aW9uIGRv ZXMgYW55dGhpbmcgd2hpY2gKcmVxdWlyZXMgdGhlIGxvY2suCgpJYW4uCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=