From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2 7/7] x86/build: Use new .nop directive when available Date: Mon, 05 Mar 2018 01:33:35 -0700 Message-ID: <5A9D0EEF02000078001AE655@prv-mh.provo.novell.com> 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> <5A99070D02000078001ADA01@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: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper Cc: xen-devel@lists.xen.org, wei.liu2@citrix.com, =?UTF-8?Q?Roger=20Pau=20Monn=C3=A9?= List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDAyLjAzLjE4IGF0IDIwOjM0LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMDIvMDMvMTggMDc6MTAsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAwMS4w My4xOCBhdCAxNzo1OCwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gVGhl IHBvbnQgb2YgaGF2aW5nIHRoZSB0b29sY2hhaW4gcHV0IG91dCBvcHRpbWlzZWQgbm9wcyBpcyB0 byBhdm9pZCB0aGUKPj4+IG5lZWQgZm9yIHVzIHRvIHBhdGNoIHRoZSBzaXRlIGF0IGFsbC4gIEku ZS4gY2FsbGluZyBvcHRpbWlzZV9ub3BzKCkgb24gYQo+Pj4gc2V0IG9mIHRvb2xjaGFpbiBub3Bz IGRlZmVhdHMgdGhlIHB1cnBvc2UgaW4gdGhlIG92ZXJ3aGVsbWluZyBjb21tb24KPj4+IGNhc2Ug b2YgcnVubmluZyBvbiBhIHN5c3RlbSB3aGljaCBwcmVmZXJzIFA2IG5vcHMuCj4+Pgo+Pj4gVGhl IHByb2JsZW0gb2Ygd29ya2luZyBvdXQgd2hlbiB0byBvcHRpbWlzZSBpcyB0aGF0LCB3aGVuIHdl IGNvbWUgdG8KPj4+IGFwcGx5IGFuIGluZGl2aWR1YWwgYWx0ZXJuYXRpdmUsIHdlIGRvbid0IGtu b3cgaWYgd2UndmUgYWxyZWFkeSBwYXRjaGVkCj4+PiB0aGlzIHNpdGUgYmVmb3JlLiAgRXZlbiB0 aGUgdW5vcHRpbWlzZWQgYWxnb3JpdGhtIGhhcyBhIGNvcm5lciBjYXNlCj4+PiB3aGljaCBleHBs b2RlcywgaWYgdGhlcmUgaXMgYSBzdHJlYW0gb2YgMHg5MCdzIG9uIHRoZSBlbmQgb2YgYQo+Pj4g cmVwbGFjZW1lbnQgZS5nLiBpbiBhIGltbSBvciBkaXNwIGZpZWxkLgo+Pj4KPj4+IFB1dCBzaW1w bHksIHdlIGNhbm5vdCBkZXRlcm1pbmUsIGJ5IHBlZWtpbmcgYXQgdGhlIHBhdGNoc2l0ZSwgd2hl dGhlciBpdAo+Pj4gaGFzIGJlZW4gcGF0Y2hlZCBvciBub3QgKG90aGVyIHRoYW4ga2VlcGluZyBh IGZ1bGwgY29weSBvZiB0aGUgb3JpZ2luCj4+PiBzaXRlIGFzIGEgcmVmZXJlbmNlKS4gIEFzIHNv b24gYXMgd2UgY2hvc2UgdG8gb3B0aW1pc2UgdGhlIG5vcHMgb2YgdGhlCj4+PiBvcmlnaW4gc2l0 ZSwgd2UgY2Fubm90IGRldGVybWluZSBhbnl0aGluZyBhdCBhbGwuCj4+Pgo+Pj4gVGhpbmtpbmcg b3V0IGxvdWQsIHdlIGNvdWxkIHBlcmhhcHMgaGF2ZSBhIHNlY3Rpb24gY29udGFpbmluZyBvbmUg Ynl0ZQo+Pj4gcGVyIG9yaWdpbiBzaXRlLCB3aGljaCB3ZSB1c2UgdG8gdHJhY2sgd2hldGhlciB3 ZSd2ZSBhbHJlYWR5IG9wdGltaXNlZAo+Pj4gdGhlIHBhZGRpbmcgYnl0ZXMsIGFuZCB3aGV0aGVy IHRoZSBjb250ZW50cyBoYXZlIGJlZW4gcmVwbGFjZWQuICBUaGlzCj4+PiB3b3VsZCBhbHNvIGFk ZCBhbiBleHRyYSBsb25nIGludG8gc3RydWN0IGFsdGVudHJ5LCBidXQgaXRzIGFsbCBjb2xkIGRh dGEKPj4+IGFmdGVyIGJvb3QuCj4+IFdoYXQgYWJvdXQgYWx0ZXJuYXRpdmVseSBzaW1wbHkgdXBk YXRpbmcgdGhlIHN0cnVjdCBhbHRfaW5zdHIKPj4gaW5zdGFuY2VzIHRvIGRlc2NyaWJlIHRoZSBj b2RlIF9hZnRlcl8gYSBwYXRjaCB0aGF0IHdhcyBhcHBsaWVkPwo+PiBUaGF0J2xsIGFsbG93IHRv IGFsd2F5cyBrbm93IGhvdyBtdWNoIHBhZGRpbmcgdGhlcmUgaXMuCj4gCj4gVGhlcmUgYXJlIG11 bHRpcGxlIGFsdF9pbnN0ciBwb2ludGluZyB0byB0aGUgc2FtZSBvcmlnaW4gc2l0ZXMgd2hlbgo+ IHVzaW5nIEFMVEVSTkFUSVZFXzIsIG1lYW5pbmcgeW91IGtlZXAgYWxsIHRoZSBzYWZldHkgcHJv YmxlbXMgd2l0aCB0aGUKPiBjdXJyZW50IHNldHVwLgoKT2gsIHJpZ2h0LCBpdCB3YXMgcnViYmlz aCB3aGF0IEkgc2FpZCAtIHdlIGRvbid0IGV2ZXIgbG9vayBhIDJuZCB0aW1lCmF0IGFueSBwYXJ0 aWN1bGFyIHN0cnVjdCBhbHRfaW5zdHIgaW5zdGFuY2UuIFdlJ2QgaGF2ZSB0byBzZXR0bGUgb24K bXVsdGlwbGUgY2hhbmdlcyB0byB0aGUgc2FtZSBwYXRjaCBzaXRlIHRvIGFsd2F5cyBiZSBhZGph Y2VudCwgc3VjaAp0aGF0IGFwcGx5X2FsdGVybmF0aXZlcygpIGNvdWxkIGhhdmUgbG9jYWwgc3Rh dGUgZm9yd2FyZGluZyAoYmV0d2Vlbgpsb29wIGl0ZXJhdGlvbnMpIGFkZGVkLgoKRm9yIHRoZSBh cHByb2FjaCB5b3UgZGVzY3JpYmUgSSBjYW4ndCBzZWUgaG93IHlvdSB3b3VsZCBzYWZlbHkKZ2x1 ZSB0b2dldGhlciBtdWx0aXBsZSBwYXRjaGVzIHRvIHRoZSBzYW1lIG9yaWdpbiBzaXRlLCB1bmxl c3Mgd2UKd291bGQgb3V0cmlnaHQgZm9yYmlkIGFueSB1c2Ugb2YgbG93ZXIgbGV2ZWwgaW5mcmFz dHJ1Y3R1cmUgdGhhbgpBTFRFUk5BVElWRV8yKCkuIEJ1dCBpZiB3ZSBkZW1hbmQgdGhhdCwgd2Ug Y291bGQgZWFzaWx5IGZsYWcKdGhlIGZpcnN0IG9mIHRoZSBhbHRlcm5hdGl2ZXMgd2l0aCBhICJj b250aW51ZWQiIGluZGljYXRvciwgdXNlZCB0bwp0cmlnZ2VyIHN0YXRlIGZvcndhcmRpbmcgaW4g YXBwbHlfYWx0ZXJuYXRpdmVzKCkgKHBlcmhhcHMgbm8KbW9yZSBzdGF0ZSB0aGFuICJhdm9pZCB0 aGUgTk9QIG9wdGltaXphdGlvbiBpZiB0aGUgY29udHJvbGxpbmcKZmVhdHVyZSBpcyB1bmF2YWls YWJsZSIpLiBObyBuZWVkIGZvciBhbiBleHRyYSBhcnJheSBhbmQgcG9pbnRlcgp0aGVuLgoKSmFu CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==