From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH 2/7] x86/traps: Poison unused stack pointers in the TSS Date: Wed, 3 May 2017 13:47:28 +0100 Message-ID: <8d388b15-2499-971d-58f9-8a3afe72ae3a@citrix.com> References: <1493748326-9582-1-git-send-email-andrew.cooper3@citrix.com> <1493748326-9582-3-git-send-email-andrew.cooper3@citrix.com> <5909ADA3020000780015626D@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5909ADA3020000780015626D@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org T24gMDMvMDUvMTcgMDk6MTQsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDAyLjA1LjE3IGF0 IDIwOjA1LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+IC0tLSBhL3hlbi9h cmNoL3g4Ni9jcHUvY29tbW9uLmMKPj4gKysrIGIveGVuL2FyY2gveDg2L2NwdS9jb21tb24uYwo+ PiBAQCAtNjQ1LDYgKzY0NSwxNCBAQCB2b2lkIGxvYWRfc3lzdGVtX3RhYmxlcyh2b2lkKQo+PiAg CXRzcy0+aXN0W0lTVF9ERiAgLSAxXSA9IHN0YWNrX3RvcCArIElTVF9ERiAgKiBQQUdFX1NJWkU7 Cj4+ICAJdHNzLT5pc3RbSVNUX05NSSAtIDFdID0gc3RhY2tfdG9wICsgSVNUX05NSSAqIFBBR0Vf U0laRTsKPj4gIAo+PiArCS8qIFBvaXNpb24gYWxsIG90aGVyIHN0YWNrIHBvaW50ZXJzIHRvIHBy ZXZlbnQgdGhlaXIgYWNjaWRlbnRhbCB1c2UuICovCj4+ICsJdHNzLT5yc3AxICAgPSAweDg2MDAx MTExMTExMTExMTF1bDsKPj4gKwl0c3MtPnJzcDIgICA9IDB4ODYwMDIyMjIyMjIyMjIyMnVsOwo+ PiArCXRzcy0+aXN0WzNdID0gMHg4NjAwNDQ0NDQ0NDQ0NDQ0dWw7Cj4+ICsJdHNzLT5pc3RbNF0g PSAweDg2MDA1NTU1NTU1NTU1NTV1bDsKPj4gKwl0c3MtPmlzdFs1XSA9IDB4ODYwMDY2NjY2NjY2 NjY2NnVsOwo+PiArCXRzcy0+aXN0WzZdID0gMHg4NjAwNzc3Nzc3Nzc3Nzc3dWw7Cj4gSSB0aGlu ayB0aGUgLT5pc3RbXSBwYXJ0IG9mIHRoaXMgc2hvdWxkIGJlIGEgbG9vcCBmcm9tIElTVF9NQVgg KyAxCj4gdG8gNyBpbnN0ZWFkIG9mIHRoZSBhYm92ZSwgYXMgd2hhdCB5b3UgaGF2ZSBub3cgZG9l c24ndCBlYXNpbHkKPiBjb3BlIHdpdGggSVNUIGluZGV4ZXMgYmVpbmcgYWRkZWQvcmVtb3ZlZC4K ClBhcnQgb2YgdGhlIGludGVudGlvbiBvZiBoYXZpbmcgdGhlbSBoZXJlIGlzIHRoYXQgdGhleSBh cmUgYWRqYWNlbnQgdG8KdGhlIG90aGVyIHRzcy0+aXN0W10gc2V0dXAsIHdoaWNoIHdpbGwgbmVj ZXNzYXJpbHkgY2hhbmdlIGlmIHRoZSBpbmRleGVzCmdldCBhbHRlcmVkLgoKQXMgZm9yIHRoZSBj b25zdGFudHMgaW4gdXNlLCBJJ2Qgb3JpZ2luYWxseSBpbnRlbmRlZCB0byBtYWtlIGVhY2gKcG9p bnRlciBpZGVudGlmaWFibGUsIGJ1dCB0ZXN0aW5nIHJldmVhbGVkIHRoYXQgdGhlc2UgY29uc3Rh bnRzIGVuZCB1cApub3doZXJlIHVzZWZ1bCB3ZXJlIGNyYXNoIHRvIGVuZCB1cCBoYXBwZW5pbmcu ICBUaGVyZWZvcmUsIEkgZG9uJ3QgaGF2ZQphIHByb2JsZW0gd2l0aCB1c2luZyBhbHRlcm5hdGl2 ZSBjb25zdGFudHMsIGFuZCBpbmRlZWQgdGhlIHNhbWUgcG9pc29uCmNvbnN0YW50IGZvciBlYWNo IHBvaW50ZXIuCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3Jn Cmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK