From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: [PATCH v2 1/5] livepatch: Tighten alignment checks. Date: Wed, 26 Jul 2017 15:47:52 -0400 Message-ID: <20170726194756.20265-2-konrad@kernel.org> References: <20170726194756.20265-1-konrad@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1daSIV-0008U1-6K for xen-devel@lists.xenproject.org; Wed, 26 Jul 2017 19:48:43 +0000 Received: by mail-qt0-f193.google.com with SMTP id t37so5007690qtg.2 for ; Wed, 26 Jul 2017 12:48:41 -0700 (PDT) In-Reply-To: <20170726194756.20265-1-konrad@kernel.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org, julien.grall@arm.com, sstabellini@kernel.org, andrew.cooper3@citrix.com Cc: jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org RnJvbTogS29ucmFkIFJ6ZXN6dXRlayBXaWxrIDxrb25yYWQud2lsa0BvcmFjbGUuY29tPgoKVGhl IEVMRiBzcGVjaWZpY2F0aW9uIG1lbnRpb25zIG5vdGhpbmcgYWJvdXQgdGhlIHNoX3NpemUgYmVp bmcKbW9kdWxvIHRoZSBzaF9hZGRyYWxpZ24uIE9ubHkgdGhhdCBzaF9hZGRyIE1VU1QgYmUgYWxp Z25lZCBvbgpzaF9hZGRyYWxpZ24gaWYgc2hfYWRkcmFsaWduIGlzIG5vdCB6ZXJvIG9yIG9uZS4K CldlIG9uIGxvYWRpbmcgZGlkIG5vdCB0YWtlIHRoaXMgaW4tdG8gYWNjb3VudCBzbyB0aGlzIHBh dGNoIGFkZHMKYSBjaGVjayBvbiB0aGUgRUxGIGZpbGUgYXMgaXQgaXMgYmVpbmcgcGFyc2VkLgoK U2lnbmVkLW9mZi1ieTogS29ucmFkIFJ6ZXN6dXRlayBXaWxrIDxrb25yYWQud2lsa0BvcmFjbGUu Y29tPgotLS0KdjE6IEluaXRpYWwgcGF0Y2gKdjI6IERyb3AgdGhlIGNoZWNrIHdoZW4gbG9hZGlu ZyBpdCBpbiBtZW1vcnkKICAgIEFkZCBjaGVjayBmb3IgYWxpZ25tZW50IGJlaW5nIGFueXRoaW5n IGJ1dCBwb3dlciBvZiB0d28gKGlnbm9yaW5nIDAsIGFuZCAxKQogICAgQ2hhbmdlIGRwcmludGsg dG8gaW5jbHVkZSBoZXggdmFsdWVzIGFuZCBwcmludCBhZGRyIG5vdCBzaXplLgotLS0KIHhlbi9j b21tb24vbGl2ZXBhdGNoX2VsZi5jIHwgMTMgKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQs IDEzIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS94ZW4vY29tbW9uL2xpdmVwYXRjaF9lbGYu YyBiL3hlbi9jb21tb24vbGl2ZXBhdGNoX2VsZi5jCmluZGV4IGI2OWUyNzE4ZGQuLjRkYzFiNjg4 NzEgMTAwNjQ0Ci0tLSBhL3hlbi9jb21tb24vbGl2ZXBhdGNoX2VsZi5jCisrKyBiL3hlbi9jb21t b24vbGl2ZXBhdGNoX2VsZi5jCkBAIC04Niw2ICs4NiwxOSBAQCBzdGF0aWMgaW50IGVsZl9yZXNv bHZlX3NlY3Rpb25zKHN0cnVjdCBsaXZlcGF0Y2hfZWxmICplbGYsIGNvbnN0IHZvaWQgKmRhdGEp CiAgICAgICAgICAgICAgICAgICAgIGRlbHRhIDwgc2l6ZW9mKEVsZl9FaGRyKSA/ICJhdCBFTEYg aGVhZGVyIiA6ICJpcyBwYXN0IGVuZCIpOwogICAgICAgICAgICAgcmV0dXJuIC1FSU5WQUw7CiAg ICAgICAgIH0KKyAgICAgICAgZWxzZSBpZiAoIHNlY1tpXS5zZWMtPnNoX2FkZHJhbGlnbiA+IDEg JiYKKyAgICAgICAgICAgICAgICAgIHNlY1tpXS5zZWMtPnNoX2FkZHIgJSBzZWNbaV0uc2VjLT5z aF9hZGRyYWxpZ24gKQorICAgICAgICB7CisgICAgICAgICAgICBkcHJpbnRrKFhFTkxPR19FUlIs IExJVkVQQVRDSCAiJXM6IFNlY3Rpb24gWyV1XSBhZGRyICglIyJQUkl4RWxmQWRkciIpIGlzIG5v dCBhbGlnbmVkIHByb3Blcmx5ICglIyJQUkl4RWxmQWRkciIpXG4iLAorICAgICAgICAgICAgICAg ICAgICBlbGYtPm5hbWUsIGksIHNlY1tpXS5zZWMtPnNoX2FkZHIsIHNlY1tpXS5zZWMtPnNoX2Fk ZHJhbGlnbik7CisgICAgICAgICAgICByZXR1cm4gLUVJTlZBTDsKKyAgICAgICAgfQorICAgICAg ICBlbHNlIGlmICggc2VjW2ldLnNlYy0+c2hfYWRkcmFsaWduID4gMSAmJiBzZWNbaV0uc2VjLT5z aF9hZGRyYWxpZ24gJSAyICkKKyAgICAgICAgeworICAgICAgICAgICAgZHByaW50ayhYRU5MT0df RVJSLCBMSVZFUEFUQ0ggIiVzOiBTZWN0aW9uIFsldV0gYWxpZ25tZW50ICglIyJQUkl4RWxmQWRk ciIpIGlzIG5vdCBzdXBwb3J0ZWRcbiIsCisgICAgICAgICAgICAgICAgICAgIGVsZi0+bmFtZSwg aSwgc2VjW2ldLnNlYy0+c2hfYWRkcmFsaWduKTsKKyAgICAgICAgICAgIHJldHVybiAtRU9QTk9U U1VQUDsKKyAgICAgICAgfQogICAgICAgICBlbHNlIGlmICggKHNlY1tpXS5zZWMtPnNoX2ZsYWdz ICYgKFNIRl9XUklURSB8IFNIRl9BTExPQykpICYmCiAgICAgICAgICAgICAgICAgICBzZWNbaV0u c2VjLT5zaF90eXBlID09IFNIVF9OT0JJVFMgJiYKICAgICAgICAgICAgICAgICAgIHNlY1tpXS5z ZWMtPnNoX3NpemUgPiBMSVZFUEFUQ0hfTUFYX1NJWkUgKQotLSAKMi4xMy4zCgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRl dmVsCg==