From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v3 7/7] x86/build: Use new .nops directive when available Date: Thu, 8 Mar 2018 16:48:08 +0000 Message-ID: <2c720709-c0a0-bfcf-2cfc-2b72976844e3@citrix.com> References: <1520437896-29359-1-git-send-email-andrew.cooper3@citrix.com> <1520437896-29359-8-git-send-email-andrew.cooper3@citrix.com> <5AA16AA502000078001AFE4A@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: <5AA16AA502000078001AFE4A@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 Cc: Xen-devel , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= List-Id: xen-devel@lists.xenproject.org T24gMDgvMDMvMTggMTU6NTMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDA3LjAzLjE4IGF0 IDE2OjUxLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4+IC0tLSBhL3hlbi9h cmNoL3g4Ni9SdWxlcy5tawo+PiArKysgYi94ZW4vYXJjaC94ODYvUnVsZXMubWsKPj4gQEAgLTI5 LDYgKzI5LDEwIEBAICQoY2FsbCBhcy1vcHRpb24tYWRkLENGTEFHUyxDQywiaW52cGNpZCAKPj4g KCVyYXgpJCQoY29tbWEpJXJheCIsLURIQVZFX0FTX0lOVlBDSUQpCj4+ICAkKGNhbGwgYXMtb3B0 aW9uLWFkZCxDRkxBR1MsQ0MsXAo+PiAgICAgICIuaWYgKCgxID4gMCkgPCAwKTsgLmVycm9yIFwi XCI7LmVuZGlmIiwsLURIQVZFX0FTX05FR0FUSVZFX1RSVUUpCj4+ICAKPj4gKyMgQ2hlY2sgdG8g c2VlIHdoZXRoZXIgdGhlIGFzc21ibGVyIHN1cHBvcnRzIHRoZSAubm9wIGRpcmVjdGl2ZS4KPj4g KyQoY2FsbCBhcy1vcHRpb24tYWRkLENGTEFHUyxDQyxcCj4+ICsgICAgIi5MMTogLkwyOiAubm9w cyAoLkwyIC0gLkwxKSQkKGNvbW1hKTkiLC1ESEFWRV9BU19OT1BfRElSRUNUSVZFKQo+IFRoZSBj b25zdHJ1Y3QgaXMgcmlnaHQsIGJ1dCB0aGUgY29tbWVudCBzdGlsbCBoYXMgdGhlIG9sZCBkaXJl Y3RpdmUgbmFtZS4KPgo+PiAtLS0gYS94ZW4vYXJjaC94ODYvYWx0ZXJuYXRpdmUuYwo+PiArKysg Yi94ZW4vYXJjaC94ODYvYWx0ZXJuYXRpdmUuYwo+PiBAQCAtMjA3LDcgKzIwNyw4IEBAIHZvaWQg aW5pdF9vcl9saXZlcGF0Y2ggYXBwbHlfYWx0ZXJuYXRpdmVzKHN0cnVjdCBhbHRfaW5zdHIgKnN0 YXJ0LAo+PiAgICAgICAgICAgICAgYmFzZS0+cHJpdiA9IDE7Cj4+ICAKPj4gICAgICAgICAgICAg IC8qIE5vdGhpbmcgdXNlZnVsIHRvIGRvPyAqLwo+PiAtICAgICAgICAgICAgaWYgKCBhLT5wYWRf bGVuIDw9IDEgKQo+PiArICAgICAgICAgICAgaWYgKCAoVE9PTENIQUlOX1A2X05PUFMgJiYgaWRl YWxfbm9wcyA9PSBwNl9ub3BzKSB8fAo+PiArICAgICAgICAgICAgICAgICBhLT5wYWRfbGVuIDw9 IDEgKQo+PiAgICAgICAgICAgICAgICAgIGNvbnRpbnVlOwo+IEknbSBzb3JyeSwgYnV0IG5vIC0g d2UgY2FuJ3QgYXNzdW1lIGFsbCBnYXMgdmVyc2lvbnMgZ29pbmcgZm9yd2FyZAo+IHdpbGwgY29u dGludWUgdG8gcHJvZHVjZSB0aGUgTk9QcyB3ZSB3YW50LiBUaGV5IG1heSBjaGFuZ2UgYXQKPiBh bnkgdGltZSwgYW5kIHdlIG1heSBjaGFuZ2Ugb3VyIG1pbmQgYXQgYW55IHRpbWUuIElmIGFueXRo aW5nCj4geW91J2QgbmVlZCB0byBhY3RpdmVseSBjaGVjayB0aGF0IHdoYXQgdGhlaXIgLm5vcHMg cHJvZHVjZXMKPiBtYXRjaGVzIHdoYXQgb3VyIHRhYmxlIGhhcy4KCkhtbSBwZXJoYXBzLCBidXQg dGhlIGNoYW5jZXMgb2YgZWl0aGVyIG9mIHRoZXNlIGFjdHVhbGx5IGhhcHBlbmluZyBhcmUKZXh0 cmVtZWx5IGxvdy4KCj4gQWRkaXRpb25hbGx5IHN1Y2ggc2tpcHBpbmcgb24gdGhlIHZhc3QgbWFq b3JpdHkgb2YgaGFyZHdhcmUgaXMKPiBwcm9uZSB0byBsZWF2ZSBidWdzIHVuZGlzY292ZXJlZCBm b3IgcXVpdGUgc29tZSB0aW1lLgoKU3VjaCBhcz/CoCBUaGlzIHN0YXRlbWVudCBpc24ndCBleGFj dGx5IGhlbHBmdWwsIGFuZAoKPiBBbnl3YXkgLSBJIGNvbnRpbnVlIHRvIGZhaWwgdG8gc2VlIHRo ZSB2YWx1ZSBvZiB0aGlzIHBhdGNoIHdpdGggdGhlCj4gaW1tZWRpYXRlbHkgcHJlY2VkaW5nIG9u ZSBhbHJlYWR5IGRvaW5nIGFsbCB3ZSBuZWVkLgoKVGhlIHB1cnBvc2UsIGFzIGV4cGxhaW5lZCBi ZWZvcmUsIGlzIHRvIGF2b2lkIHBhdGNoaW5nIHdoZW5ldmVyIHBvc3NpYmxlLgoKIldoZW5ldmVy IHBvc3NpYmxlIiBpcyBldmVyeSB0aW1lIHdlIGZhaWwgYSBmZWF0dXJlIGNoZWNrLCBhbmQgdGhl CnRvb2xjaGFpbiBwdXRzIG91dCB0aGUgY29ycmVjdCBub3BzICh3aGljaCwgZm9yIGEgY2FwYWJs ZSB0b29sY2hhaW4sIGlzCm92ZXJ3aGVsbWluZ2x5IGxpa2VseSBnaXZlbiBvdXIgNjRiaXQtbmVz cyksIGFuZCBoYXMgYSBkaXJlY3QgZWZmZWN0IG9uCm91ciBib290IHRpbWUgc2FmZXR5LgoKPiBB biBhbHRlcm5hdGl2ZSBtaWdodCBiZSB0byBoYXZlIGEgS2NvbmZpZyBvcHRpb24gdG8gc3VwcHJl c3MgdGhlCj4gTk9QIG9wdGltaXphdGlvbiBhbHRvZ2V0aGVyLCBhbmQgcmVseSBvbiB3aGF0IHRo ZSB0b29sIGNoYWluCj4gcHJvZHVjZXMuCgpIb3cgYW5kIHdoeSB3b3VsZCBhIHVzZXIgd2lzaCB0 byBjaGFuZ2UgdGhpcyBvcHRpb24/wqAgSSBkb24ndCB0aGluawphbnlvbmUgd291bGQgZmluZCBp dCB1c2VmdWwuCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LWRldmVs