From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH for-4.10 2/2] ubsan: disable unaligned access checks Date: Tue, 17 Oct 2017 14:01:42 +0100 Message-ID: <20171017130142.e62pcswnr6bwg2up@citrix.com> References: <20171017113644.31866-1-roger.pau@citrix.com> <20171017113644.31866-2-roger.pau@citrix.com> <20171017125618.d4qzwrpamhkrfrie@citrix.com> <20171017125847.6vrsp3cstphsbloz@dhcp-3-128.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e4RVv-00061G-PI for xen-devel@lists.xenproject.org; Tue, 17 Oct 2017 13:02:31 +0000 Content-Disposition: inline In-Reply-To: <20171017125847.6vrsp3cstphsbloz@dhcp-3-128.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Jan Beulich , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gVHVlLCBPY3QgMTcsIDIwMTcgYXQgMDE6NTg6NDdQTSArMDEwMCwgUm9nZXIgUGF1IE1vbm7D qSB3cm90ZToKPiBPbiBUdWUsIE9jdCAxNywgMjAxNyBhdCAwMTo1NjoxOFBNICswMTAwLCBXZWkg TGl1IHdyb3RlOgo+ID4gT24gVHVlLCBPY3QgMTcsIDIwMTcgYXQgMTI6MzY6NDRQTSArMDEwMCwg Um9nZXIgUGF1IE1vbm5lIHdyb3RlOgo+ID4gPiBDdXJyZW50bHkgdGhlcmUgYXJlIG1hbnkgb2Zm ZW5kZXJzIG9mIHRoZSB1bmFsaWduZWQgYWNjZXNzIGNoZWNrcywKPiA+ID4gd2hpY2ggbWFrZXMg Ym9vdGluZyB3aXRoIHRoZSB1bmFsaWduZWQgY2hlY2sgYSBQVkggRG9tMCBpbXBvc3NpYmxlLgo+ ID4gPiAKPiA+ID4gVGhlIG1haW4gb2ZmZW5kZXJzIHNlZW0gdG8gYmUgdGhlIEFDUEkgY29kZSwg dGhlIFZNWCBjb2RlIGFuZAo+ID4gPiBzcGVjaWFsbHkgdGhlIGludHJlbWFwIGNvZGUgKHNldF9p cmVfc2lkKS4KPiA+ID4gCj4gPiA+IFNpZ25lZC1vZmYtYnk6IFJvZ2VyIFBhdSBNb25uw6kgPHJv Z2VyLnBhdUBjaXRyaXguY29tPgo+ID4gPiAtLS0KPiA+ID4gQ2M6IEFuZHJldyBDb29wZXIgPGFu ZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Cj4gPiA+IENjOiBHZW9yZ2UgRHVubGFwIDxHZW9yZ2Uu RHVubGFwQGV1LmNpdHJpeC5jb20+Cj4gPiA+IENjOiBJYW4gSmFja3NvbiA8aWFuLmphY2tzb25A ZXUuY2l0cml4LmNvbT4KPiA+ID4gQ2M6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4K PiA+ID4gQ2M6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFkLndpbGtAb3JhY2xlLmNvbT4K PiA+ID4gQ2M6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4KPiA+ ID4gQ2M6IFRpbSBEZWVnYW4gPHRpbUB4ZW4ub3JnPgo+ID4gPiBDYzogV2VpIExpdSA8d2VpLmxp dTJAY2l0cml4LmNvbT4KPiA+ID4gQ2M6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5j b20+Cj4gPiA+IC0tLQo+ID4gPiBJJ20gbm90IHN1cmUgd2hldGhlciB3ZSBwcmVmZXIgdG8gZml4 IHRoZSBvZmZlbmRlcnMsIG9yIGp1c3QgZGlzYWJsZQo+ID4gPiB0aGUgYWxpZ25tZW50IHdob2xl c2FsZS4gSW4gYW55IGNhc2UgaWYgd2UgZGVjaWRlIHRvIGRpc2FibGUgdGhlCj4gPiA+IGNoZWNr LCB0aGUgcGF0Y2ggc2hvdWxkIGhhdmUgdmFyeSBsb3cgaW1wYWN0LCBhbmQgaGVuY2Ugc2hvdWxk IGJlCj4gPiA+IGNvbW1pdHRlZCB0byA0LjEwIG9uIHRoZSBiYXNlIHRoYXQgaXQgb25seSBhZmZl Y3RzIHVic2FuLCB3aGljaCBpcyBub3QKPiA+ID4gZW5hYmxlZCBieSBkZWZhdWx0IGFuZCBub3Qg dG8gYmUgdXNlZCBvbiBwcm9kdWN0aW9uIHN5c3RlbXMuCj4gPiAKPiA+IEkgd291bGQgdmVyeSBt dWNoIGxpa2UgdG8gZml4IHRoZSBvZmZlbmRlcnMgYnV0IGlmIHRoZSBmaXhlcyB0dXJuIG91dCB0 bwo+ID4gYmUgY3VtYmVyc29tZSwgc28gYmUgaXQuCj4gPiAKPiA+IFdoYXQgaXMgd3JvbmcgdG8g bGVhdmUgdGhpcyBlbmFibGVkPyBFYWNoIGxvY2F0aW9uIGlzIHJlcG9ydGVkIG9uY2UsCj4gPiBy aWdodD8KPiAKPiBXaXRoIGNsYW5nIGl0J3MgcmVwb3J0ZWQgZXZlcnkgdGltZSBpdCdzIGhpdCBB RkFJQ1QgKGNlcnRhaW5seSBtb3JlCj4gdGhhbiBvbmNlKS4KPiAKCkl0IGNvdWxkIGFsc28gYmUg dGhlIGNhc2UgdGhhdCBzb21lIGZ1bmN0aW9ucyBhcmUgaW5saW5lZCBzbyB0aGV5IGNvdWxkCmFw cGVhciBtdWx0aXBsZSB0aW1lcywgaS5lLiB0aGV5IGhhdmUgZGlmZmVyZW50IGluc3RhbmNlcyBv ZiBzdHJ1Y3QKbG9jYXRpb24/IEkndmUgYWxzbyBzZWVuIHNvbWV0aGluZyBsaWtlIHRoYXQgYmVm b3JlLgoKVGhlIGNvZGUgaW4gdWJzYW4uYyBhbHJlYWR5IGRlYWxzIHdpdGggc2V0dGluZyB0aGUg cmVwb3J0ZWQgYml0IHNvIEkKc3VzcGVjdCBhZnRlciBhbGwgdGhlIGluc3RhbmNlcyBoYXZlIGJl ZW4gbWFya2VkIHJlcG9ydGVkIFhlbiBzaG91bGQgcnVuCmZpbmU/CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK