From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v2 7/7] x86/build: Use new .nop directive when available Date: Thu, 1 Mar 2018 16:58:36 +0000 Message-ID: References: <1519644904-11349-1-git-send-email-andrew.cooper3@citrix.com> <1519644904-11349-8-git-send-email-andrew.cooper3@citrix.com> <5A96E54602000078001ACF21@prv-mh.provo.novell.com> <782df0c6-4449-9d71-2370-b68d1110f815@citrix.com> <5A97AB9B0200007800128BF6@prv-mh.provo.novell.com> <20180301103648.mofzlauvgapnxhfd@MacBook-Pro-de-Roger.local> <5A97E9E802000078001AD36B@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: <5A97E9E802000078001AD36B@prv-mh.provo.novell.com> Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Cc: wei.liu2@citrix.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gMDEvMDMvMTggMTA6NTQsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDAxLjAzLjE4IGF0 IDExOjM2LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+PiBPbiBUaHUsIE1hciAwMSwg MjAxOCBhdCAxMjoyODoyN0FNIC0wNzAwLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4+IEFuZHJl dyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IDAyLzI4LzE4IDc6MjAgUE0gPj4+ Cj4+Pj4gT24gMjgvMDIvMTggMTY6MjIsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+Pj4+PiBPbiAy Ni4wMi4xOCBhdCAxMjozNSwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4+ Pj4gLS0tIGEveGVuL2luY2x1ZGUvYXNtLXg4Ni9hbHRlcm5hdGl2ZS1hc20uaAo+Pj4+Pj4gKysr IGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9hbHRlcm5hdGl2ZS1hc20uaAo+Pj4+Pj4gQEAgLTEsNiAr MSw4IEBACj4+Pj4+PiAgI2lmbmRlZiBfQVNNX1g4Nl9BTFRFUk5BVElWRV9BU01fSF8KPj4+Pj4+ ICAjZGVmaW5lIF9BU01fWDg2X0FMVEVSTkFUSVZFX0FTTV9IXwo+Pj4+Pj4gIAo+Pj4+Pj4gKyNp bmNsdWRlIDxhc20vbm9wcy5oPgo+Pj4+Pj4gKwo+Pj4+Pj4gICNpZmRlZiBfX0FTU0VNQkxZX18K Pj4+Pj4+ICAKPj4+Pj4+ICAvKgo+Pj4+Pj4gQEAgLTE4LDYgKzIwLDE0IEBACj4+Pj4+PiAgICAg IC5ieXRlIFxwYWRfbGVuCj4+Pj4+PiAgLmVuZG0KPj4+Pj4+ICAKPj4+Pj4+ICsubWFjcm8gbWtu b3BzIG5yX2J5dGVzCj4+Pj4+PiArI2lmZGVmIEhBVkVfQVNfTk9QX0RJUkVDVElWRQo+Pj4+Pj4g KyAgICAubm9wIFxucl9ieXRlcywgQVNNX05PUF9NQVgKPj4+Pj4gQW5kIGRvIHlvdSByZWFsbHkg bmVlZCB0byBzcGVjaWZ5IEFTTV9OT1BfTUFYIGhlcmU/IFdoYXQncwo+Pj4+PiB3cm9uZyB3aXRo IGxldHRpbmcgdGhlIGFzc2VtYmxlciBwaWNrIHdoYXQgaXQgd2FudHMgYXMgdGhlIGxvbmdlc3QK Pj4+Pj4gTk9QPwo+Pj4+IEkgZG9uJ3Qgd2FudCBhIHRvb2xjaGFpbiBjaGFuZ2UgdG8gY2F1c2Ug dXMgdG8gZ28gYmV5b25kIDExIGJ5dGUgbm9wcywKPj4+PiBiZWNhdXNlIG9mIHRoZSBhc3NvY2lh dGVkIGRlY29kZSBzdGFsbCBvbiBhbG1vc3QgYWxsIGhhcmR3YXJlLiAgVXNpbmcKPj4+PiBBU01f Tk9QX01BWCBzZWVtZWQgbGlrZSB0aGUgZWFzaWVzdCB3YXkgdG8ga2VlcCB0aGUgZW5kIHJlc3Vs dAo+Pj4+IGNvbnNpc3RlbnQsIGlycmVzcGVjdGl2ZSBvZiB0b29sY2hhaW4gc3VwcG9ydC4KPj4+ IEkgZG9uJ3QgdW5kZXJzdGFuZCAtIGFuIGVhcmxpZXIgcGF0Y2ggdGFrZXMgY2FyZSBvZiBydW50 aW1lIHJlcGxhY2luZyB0aGVtCj4+PiBhbnl3YXkuIFdoYXQgc3RhbGxzIGNhbiB0aGVuIHJlc3Vs dD8KPj4gVGhlIHJ1bnRpbWUgcmVwbGFjZW1lbnQgd29uJ3QgaGFwcGVuIHdoZW4gdXNpbmcgdGhl IC5ub3BzIGRpcmVjdGl2ZQo+PiBBRkFJQ1QsIGJlY2F1c2UgdGhlIG9yaWdpbmFsIHBhZGRpbmcg c2VjdGlvbiB3aWxsIGxpa2VseSBiZSBmaWxsZWQKPj4gd2l0aCBvcGNvZGVzIGRpZmZlcmVudCB0 aGFuIDB4OTAsIGFuZCB0aHVzIHRoZSBydW50aW1lIG5vcAo+PiBvcHRpbWl6YXRpb24gd29uJ3Qg YmUgcGVyZm9ybWVkLgo+IE9oLCBpbmRlZWQuIFRoYXQgcHV0cyB1bmRlciBxdWVzdGlvbiB0aGUg d2hvbGUgaWRlYSBvZiB1c2luZwo+IC5ub3BzIGluIGZhdm9yIG9mIC5za2lwLiBBbmRyZXcsIEkn bSBzb3JyeSwgYnV0IHdpdGggdGhpcyBJIHByZWZlcgo+IHRvIHdpdGhkcmF3IG15IGFjay4KPgo+ PiBJIGFsc28gYWdyZWUgdGhhdCB1c2luZyB0aGUgZGVmYXVsdCAobm90IHByb3ZpbmcgYSBzZWNv bmQgYXJndW1lbnQpCj4+IHNlZW1zIGxpa2UgYSBiZXR0ZXIgc29sdXRpb24uIFdoeSB3b3VsZCB0 aGUgdG9vbHN0YWNrIHN3aXRjaCB0bwo+PiBzb21ldGhpbmcgdGhhdCBsZWFkcyB0byB3b3JzZSBw ZXJmb3JtYW5jZT8gVGhhdCB3b3VsZCBjZXJ0YWlubHkgYmUKPj4gY29uc2lkZXJlZCBhIGJ1Zy4K PiBXaHk/IFRoZXkgbWF5IGNoYW5nZSBpdCBiYXNlZCBvbiBkYXRhIGF2YWlsYWJsZSBmb3IgbmV3 ZXIgLwo+IG9sZGVyIC8gd2hhdGV2ZXIgaGFyZHdhcmUuIEFueSBidWlsZC10aW1lIGNob2ljZSBp cyBnb2luZyB0byBiZQo+IHN1Ym9wdGltYWwgc29tZXdoZXJlLCBzbyBJIHRoaW5rIHdlIGFic29s dXRlbHkgc2hvdWxkIG5vdAo+IGJ5cGFzcyBydW50aW1lIHJlcGxhY2luZyB0aGVzZSBOT1BzLCB0 aGUgbW9yZSB0aGF0IG5vdyB3ZQo+IG1heSBoYXZlIHF1aXRlIGxhcmdlIHNlcXVlbmNlcyBvZiB0 aGVtLgoKVGhlIHBvbnQgb2YgaGF2aW5nIHRoZSB0b29sY2hhaW4gcHV0IG91dCBvcHRpbWlzZWQg bm9wcyBpcyB0byBhdm9pZCB0aGUKbmVlZCBmb3IgdXMgdG8gcGF0Y2ggdGhlIHNpdGUgYXQgYWxs LsKgIEkuZS4gY2FsbGluZyBvcHRpbWlzZV9ub3BzKCkgb24gYQpzZXQgb2YgdG9vbGNoYWluIG5v cHMgZGVmZWF0cyB0aGUgcHVycG9zZSBpbiB0aGUgb3ZlcndoZWxtaW5nIGNvbW1vbgpjYXNlIG9m IHJ1bm5pbmcgb24gYSBzeXN0ZW0gd2hpY2ggcHJlZmVycyBQNiBub3BzLgoKVGhlIHByb2JsZW0g b2Ygd29ya2luZyBvdXQgd2hlbiB0byBvcHRpbWlzZSBpcyB0aGF0LCB3aGVuIHdlIGNvbWUgdG8K YXBwbHkgYW4gaW5kaXZpZHVhbCBhbHRlcm5hdGl2ZSwgd2UgZG9uJ3Qga25vdyBpZiB3ZSd2ZSBh bHJlYWR5IHBhdGNoZWQKdGhpcyBzaXRlIGJlZm9yZS7CoCBFdmVuIHRoZSB1bm9wdGltaXNlZCBh bGdvcml0aG0gaGFzIGEgY29ybmVyIGNhc2UKd2hpY2ggZXhwbG9kZXMsIGlmIHRoZXJlIGlzIGEg c3RyZWFtIG9mIDB4OTAncyBvbiB0aGUgZW5kIG9mIGEKcmVwbGFjZW1lbnQgZS5nLiBpbiBhIGlt bSBvciBkaXNwIGZpZWxkLgoKUHV0IHNpbXBseSwgd2UgY2Fubm90IGRldGVybWluZSwgYnkgcGVl a2luZyBhdCB0aGUgcGF0Y2hzaXRlLCB3aGV0aGVyIGl0CmhhcyBiZWVuIHBhdGNoZWQgb3Igbm90 IChvdGhlciB0aGFuIGtlZXBpbmcgYSBmdWxsIGNvcHkgb2YgdGhlIG9yaWdpbgpzaXRlIGFzIGEg cmVmZXJlbmNlKS7CoCBBcyBzb29uIGFzIHdlIGNob3NlIHRvIG9wdGltaXNlIHRoZSBub3BzIG9m IHRoZQpvcmlnaW4gc2l0ZSwgd2UgY2Fubm90IGRldGVybWluZSBhbnl0aGluZyBhdCBhbGwuCgpU aGlua2luZyBvdXQgbG91ZCwgd2UgY291bGQgcGVyaGFwcyBoYXZlIGEgc2VjdGlvbiBjb250YWlu aW5nIG9uZSBieXRlCnBlciBvcmlnaW4gc2l0ZSwgd2hpY2ggd2UgdXNlIHRvIHRyYWNrIHdoZXRo ZXIgd2UndmUgYWxyZWFkeSBvcHRpbWlzZWQKdGhlIHBhZGRpbmcgYnl0ZXMsIGFuZCB3aGV0aGVy IHRoZSBjb250ZW50cyBoYXZlIGJlZW4gcmVwbGFjZWQuwqAgVGhpcwp3b3VsZCBhbHNvIGFkZCBh biBleHRyYSBsb25nIGludG8gc3RydWN0IGFsdGVudHJ5LCBidXQgaXRzIGFsbCBjb2xkIGRhdGEK YWZ0ZXIgYm9vdC4KCn5BbmRyZXcKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94 ZW4tZGV2ZWw=