From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Andryuk Subject: [PATCH v2] tboot: Avoid recursive fault in early boot panic with tboot Date: Thu, 19 Jul 2018 06:39:43 -0400 Message-ID: <20180719103943.5351-1-jandryuk@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: Shane Wang , Andrew Cooper , Gang Wei , Jan Beulich , Jason Andryuk List-Id: xen-devel@lists.xenproject.org SWYgcGFuaWMgaXMgY2FsbGVkIGJlZm9yZSBpbml0X2lkbGVfZG9tYWluIG9uIGEgdGJvb3QtbGF1 bmNoZWQgc3lzdGVtLAp0aGVuIFhlbiByZWN1cnNpdmVseSBmYXVsdHMgaW4gd3JpdGVfcHRiYXNl IGFzIHNlZW4gYmVsb3cuCgooWEVOKSAgICBbPGZmZmY4MmQwODAyODY2OTA+XSB3cml0ZV9wdGJh c2UrMC8weDEwCihYRU4pICAgIFs8ZmZmZjgyZDA4MDJjNGMzYj5dIHRib290X3NodXRkb3duKzB4 NmIvMHgyNjAKKFhFTikgICAgWzxmZmZmODJkMDgwMjlkZGFjPl0gbWFjaGluZV9yZXN0YXJ0KzB4 YWMvMHgyZDAKKFhFTikgICAgWzxmZmZmODJkMDgwMjg2NjkwPl0gd3JpdGVfcHRiYXNlKzAvMHgx MAooWEVOKSAgICBbPGZmZmY4MmQwODAyNDQ2YzE+XSBwYW5pYysweDExMS8weDEyMAooWEVOKSAg ICBbPGZmZmY4MmQwODAyYTUxYzE+XSBkb19nZW5lcmFsX3Byb3RlY3Rpb24rMHgxNzEvMHgxZjAK KFhFTikgICAgWzxmZmZmODJkMDgwMjg3YTgyPl0gbW0uYyN2aXJ0X3RvX3hlbl9sMmUrMHgxMi8w eDFjMAooWEVOKSAgICBbPGZmZmY4MmQwODAzNTQ3MjA+XSB4ODZfNjQvZW50cnkuUyNoYW5kbGVf ZXhjZXB0aW9uX3NhdmVkKzB4NjYvMHhhNAooWEVOKSAgICBbPGZmZmY4MmQwODAyODY2OTA+XSB3 cml0ZV9wdGJhc2UrMC8weDEwCihYRU4pICAgIFs8ZmZmZjgyZDA4MDJjNGMzYj5dIHRib290X3No dXRkb3duKzB4NmIvMHgyNjAKKFhFTikgICAgWzxmZmZmODJkMDgwMjlkZGFjPl0gbWFjaGluZV9y ZXN0YXJ0KzB4YWMvMHgyZDAKKFhFTikgICAgWzxmZmZmODJkMDgwMjQ0NmMxPl0gcGFuaWMrMHgx MTEvMHgxMjAKKFhFTikgICAgWzxmZmZmODJkMDgwM2MxMWEwPl0gc2V0dXAuYyNib290c3RyYXBf bWFwKzAvMHgxMWEKKFhFTikgICAgWzxmZmZmODJkMDgwM2I4MmEwPl0gZmxhc2tfb3AuYyNwYXJz ZV9mbGFza19wYXJhbSswLzB4YjAKKFhFTikgICAgWzxmZmZmODJkMDgwM2MxMWEwPl0gc2V0dXAu YyNib290c3RyYXBfbWFwKzAvMHgxMWEKKFhFTikgICAgWzxmZmZmODJkMDgwM2I2ZjZjPl0geHNt X211bHRpYm9vdF9pbml0KzB4N2MvMHhiMAooWEVOKSAgICBbPGZmZmY4MmQwODAzYzM0YmI+XSBf X3N0YXJ0X3hlbisweDFkMmIvMHgyZGEwCihYRU4pICAgIFs8ZmZmZjgyZDA4MDIwMDBmMz5dIF9f aGlnaF9zdGFydCsweDUzLzB4NjAKCmlkbGVfdmNwdVswXSBpcyBzdGlsbCBwb2lzb25lZCB3aXRo IElOVkFMSURfVkNQVSwgc28gd3JpdGVfcHRiYXNlIGZhdWx0cwpkZXJlZmVyZW5jaW5nIHRoZSBw b2ludGVyLiAgVGhpcyBmYXVsdCBjYWxscyBwYW5pYyBhbmQgcmVjdXJzZXMgdGhyb3VnaAp0aGUg c2FtZSBjb2RlIHBhdGguCgpJZiB0Ym9vdF9zaHV0ZG93biBpcyBjYWxsZWQgd2hpbGUgaWRsZV92 Y3B1WzBdID09IElOVkFMSURfVkNQVSwgdGhlbiB3ZQphcmUgc3RpbGwgb3BlcmF0aW5nIHdpdGgg dGhlIGluaXRpYWwgcGFnZSB0YWJsZXMuICBUaGVyZWZvcmUgY2hhbmdpbmcKcGFnZSB0YWJsZXMg d2l0aCB3cml0ZV9wdGJhc2UgaXMgdW5uZWNlc3NhcnkuCgpBbiBlYXN5IHdheSB0byByZXByb2R1 Y2UgdGhpcyBpcyB0byB1c2UgdGJvb3QgdG8gbGF1bmNoIGFuIFhTTS1lbmFibGVkClhlbiB3aXRo b3V0IGFuIFhTTSBwb2xpY3kuCgpTaWduZWQtb2ZmLWJ5OiBKYXNvbiBBbmRyeXVrIDxqYW5kcnl1 a0BnbWFpbC5jb20+CgotLS0KdjI6IENvcnJlY3QgY29tbWVudCBhbmQgYnJhY2Ugc3R5bGUKLS0t CiB4ZW4vYXJjaC94ODYvdGJvb3QuYyB8IDcgKysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDYgaW5z ZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni90Ym9v dC5jIGIveGVuL2FyY2gveDg2L3Rib290LmMKaW5kZXggZmI0NjE2YWU4My4uZDVhNTI5MmQ3ZSAx MDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L3Rib290LmMKKysrIGIveGVuL2FyY2gveDg2L3Rib290 LmMKQEAgLTM5MSw3ICszOTEsMTIgQEAgdm9pZCB0Ym9vdF9zaHV0ZG93bih1aW50MzJfdCBzaHV0 ZG93bl90eXBlKQogICAgICAgICB0Ym9vdF9nZW5feGVuaGVhcF9pbnRlZ3JpdHkoZ190Ym9vdF9z aGFyZWQtPnMzX2tleSwgJnhlbmhlYXBfbWFjKTsKICAgICB9CiAKLSAgICB3cml0ZV9wdGJhc2Uo aWRsZV92Y3B1WzBdKTsKKyAgICAvKgorICAgICAqIER1cmluZyBlYXJseSBib290LCB3ZSBjYW4g YmUgY2FsbGVkIGJ5IHBhbmljIGJlZm9yZSBpZGxlX3ZjcHVbMF0gaXMKKyAgICAgKiBzZXR1cCwg YnV0IGluIHRoYXQgY2FzZSB3ZSBkb24ndCBuZWVkIHRvIGNoYW5nZSBwYWdlIHRhYmxlcy4KKyAg ICAgKi8KKyAgICBpZiAoIGlkbGVfdmNwdVswXSAhPSBJTlZBTElEX1ZDUFUgKQorICAgICAgICB3 cml0ZV9wdGJhc2UoaWRsZV92Y3B1WzBdKTsKIAogICAgICgodm9pZCgqKSh2b2lkKSkodW5zaWdu ZWQgbG9uZylnX3Rib290X3NoYXJlZC0+c2h1dGRvd25fZW50cnkpKCk7CiAKLS0gCjIuMTcuMQoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlz dHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=