From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v2 07/20] arm/x86: Add ALTERNATIVE and HAS_EX_TABLE Date: Tue, 6 Sep 2016 16:40:37 -0400 Message-ID: <20160906204037.GA16630@char.us.oracle.com> References: <1472132255-23470-1-git-send-email-konrad.wilk@oracle.com> <1472132255-23470-8-git-send-email-konrad.wilk@oracle.com> <0dde60ef-f085-3b7e-6de5-a6918d436e09@citrix.com> <57BF23270200007800109194@prv-mh.provo.novell.com> <20160906203640.GB7062@char.us.oracle.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 1bhNAp-0005Ze-0w for xen-devel@lists.xenproject.org; Tue, 06 Sep 2016 20:40:51 +0000 Content-Disposition: inline In-Reply-To: <20160906203640.GB7062@char.us.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: sstabellini@kernel.org, ross.lagerwall@citrix.com, Andrew Cooper , Doug Goldstein , julien.grall@arm.com, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gVHVlLCBTZXAgMDYsIDIwMTYgYXQgMDQ6MzY6NDBQTSAtMDQwMCwgS29ucmFkIFJ6ZXN6dXRl ayBXaWxrIHdyb3RlOgo+IE9uIFRodSwgQXVnIDI1LCAyMDE2IGF0IDA4OjU2OjA3QU0gLTA2MDAs IEphbiBCZXVsaWNoIHdyb3RlOgo+ID4gPj4+IE9uIDI1LjA4LjE2IGF0IDE1OjU4LCA8YW5kcmV3 LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4gPiA+IE9uIDI1LzA4LzE2IDE0OjM3LCBLb25y YWQgUnplc3p1dGVrIFdpbGsgd3JvdGU6Cj4gPiA+IAo+ID4gPj4geDg2IGltcGxlbWVudHMgYWxs IG9mIHRoZW0gYnkgZGVmYXVsdCAtIGFuZCB3ZSBqdXN0Cj4gPiA+PiBhZGQgdHdvIGV4dHJhIENP TkZJR18gdmFyaWFibGVzIHRvIGJlIGRlY2xhcmVkIGluIGF1dG9jb25mLmguCj4gPiA+Pgo+ID4g Pj4gQVJNIDY0IG9ubHkgaGFzIGFsdGVybmF0aXZlIHdoaWxlIEFSTSAzMiBoYXMgbm9uZSBvZiB0 aGVtLgo+ID4gPj4KPiA+ID4+IEFuZCB3aGlsZSBhdCBpdCBjaGFuZ2UgdGhlIGxpdmVwYXRjaCBj b21tb24gY29kZSB0aGF0Cj4gPiA+PiB3b3VsZCBiZW5lZml0IGZyb20gdGhpcy4KPiA+ID4+Cj4g PiA+PiBTdWdnZXN0ZWQtYnk6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+Cj4g PiA+PiBTaWduZWQtb2ZmLWJ5OiBLb25yYWQgUnplc3p1dGVrIFdpbGsgPGtvbnJhZC53aWxrQG9y YWNsZS5jb20+Cj4gPiA+IAo+ID4gPiBTdXJlbHkgbGl2ZXBhdGNoIHNob3VsZCBzZWxlY3QgYWx0 ZXJuYXRpdmVzID8KPiA+IAo+ID4gRFlNIGRlcGVuZCBvbj8gSXQgY2xlYXJseSBzaG91bGRuJ3Qg c2VsZWN0IHRoZW0sIGFzIHdoZXRoZXIKPiA+IHRoZXkncmUgcHJlc2VudCBpcyBkZXRlcm1pbmVk IGJ5IGFyY2ggY29kZS4KPiAKPiBBbmQgSSBhbSBub3Qgc3VyZSBpZiB0aGVyZSBpcyBhIG5lZWQg Zm9yIEtjb25maWcgTElWRVBBVENICj4gZW50cnkgdG8gZGVwZW5kIG9uIGl0Pwo+IAo+IEVzcGVj aWFsbHkgYXMgdGhlIGNvbW1vbi9saXZlcGF0Y2guYyBoYXMgI2lmZWYgQ09ORklHX0FMVEVSTkFU SVZFCj4gKGFuZCBhbHNvIENPTkZJR19IQVNfRVhfVEFCTEUpIC0gYWRkZWQgYnkgdGhpcyBwYXRj aCAtIHRvIGRlYWwgd2l0aAo+IGFyY2hpdGVjdHVyZXMgdGhhdCBkbyBub3QgaGF2ZSBzdXBwb3J0 IHRoZW0uCj4gCj4gU3N1Y2ggYXMgQVJNIDMyIG9yIEFSTTY0IHdpdGhvdXQgZXJyYXRhIHN1cHBv cnQgYnVpbHQtaW4uCgpFcnIsIEFSTTY0IGlzIGFsd2F5cyBidWlsdCB3aXRoIGFsdGVybmF0aXZl LCBoZW5jZToKCj4gCj4gSSBzcHVuIG91dCBhbiBzZXBlcmF0ZSBwYXRjaCB0aGF0IHdvdWxkIHRo cm93biBhbiAtRU9QTk9UU1VQUAo+IGlmIHRoZXNlIHNlY3Rpb25zIGFyZSBwYXJ0IG9mIHRoZSBw YXlsb2FkIGFuZCB0aGUgaHlwZXJ2aXNvcgo+IHdhcyBidWlsdCB3aXRob3V0IHRoZSBzdXBwb3J0 LCBsaWtlIHRoaXM6Cj4gCj4gKFRoaXMgaXMgdG8gYmUgb24gdG9wIG9mIHRoZSBwYXRjaCBkaXNj dXNzZWQgLSBvciBpZiBmb2xrcwo+IHByZWZlciBJIGNhbiBzcXVhc2ggaXQgaW4pLgo+IAo+IEZy b20gM2E0OTUzZGQwZjdkMjQxMWU1ZDYzOGE4MmJmZTU3YzBlMTZhMjJiMyBNb24gU2VwIDE3IDAw OjAwOjAwIDIwMDEKPiBGcm9tOiBLb25yYWQgUnplc3p1dGVrIFdpbGsgPGtvbnJhZC53aWxrQG9y YWNsZS5jb20+Cj4gRGF0ZTogVHVlLCA2IFNlcCAyMDE2IDE2OjI4OjIzIC0wNDAwCj4gU3ViamVj dDogW1BBVENIXSBsaXZlcGF0Y2g6IFJlamVjdCBwYXlsb2FkcyB3aXRoIC5hbHRlcm5hdGl2ZSBv ciAuZXhfdGFibGUgaWYKPiAgc3VwcG9ydCBpcyBub3QgYnVpbHQtaW4uCj4gCj4gQVJNIDY0IGNh biBiZSBidWlsdCB3aXRob3V0IGFsdGVybmF0aXZlIHN1cHBvcnQgKHdpdGhvdXQgdGhlCj4gZXJy YXRhIHN1cHBvcnQpIC0gYW5kIGl0IHdvdWxkIHNhZCBpZiB0aGUgcGF5bG9hZCBsb2FkZWQKPiBo YWQgLmFsdGVybmF0aXZlIHNlY3Rpb24gYnV0IHdlIGRpZCBub3Qgc3VwcG9ydCBwYXJzaW5nIGl0 LgoKVGhpcyB3b3VsZCBuZXZlciBoYXBwZW4uCgpTbyBwbGVhc2UgaWdub3JlIHRoZSBwYXRjaCBi ZWxvdy4KPiAKPiBBcyB0aGlzIGNvdWxkIGxlYWQgdG8gc2FkIHJlc3VsdHMgaW5zdGVhZCBvZiBp Z25vcmluZyB0aGlzCj4gbGV0cyBlcnJvciBvdXQgZHVyaW5nIGxvYWRpbmcuCj4gCj4gU2lnbmVk LW9mZi1ieTogS29ucmFkIFJ6ZXN6dXRlayBXaWxrIDxrb25yYWQud2lsa0BvcmFjbGUuY29tPgo+ IAo+IC0tLQo+IENjOiBTdGVmYW5vIFN0YWJlbGxpbmkgPHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+ Cj4gQ2M6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+Cj4gQ2M6IEphbiBCZXVs aWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KPiBDYzogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3Bl cjNAY2l0cml4LmNvbT4KPiAKPiB2MzogTmV3IHN1Ym1pc3Npb24uCj4gLS0tCj4gIHhlbi9jb21t b24vbGl2ZXBhdGNoLmMgfCAxNiArKysrKysrKysrKystLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAx MiBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS94ZW4vY29t bW9uL2xpdmVwYXRjaC5jIGIveGVuL2NvbW1vbi9saXZlcGF0Y2guYwo+IGluZGV4IDczZDRlZGIu LjM0MmE1ZWMgMTAwNjQ0Cj4gLS0tIGEveGVuL2NvbW1vbi9saXZlcGF0Y2guYwo+ICsrKyBiL3hl bi9jb21tb24vbGl2ZXBhdGNoLmMKPiBAQCAtNjg1LDEwICs2ODUsMTAgQEAgc3RhdGljIGludCBw cmVwYXJlX3BheWxvYWQoc3RydWN0IHBheWxvYWQgKnBheWxvYWQsCj4gICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICBzaXplb2YoKnJlZ2lvbi0+ZnJhbWVbaV0uYnVncyk7Cj4gICAg ICB9Cj4gIAo+IC0jaWZkZWYgQ09ORklHX0hBU19BTFRFUk5BVElWRQo+ICAgICAgc2VjID0gbGl2 ZXBhdGNoX2VsZl9zZWNfYnlfbmFtZShlbGYsICIuYWx0aW5zdHJ1Y3Rpb25zIik7Cj4gICAgICBp ZiAoIHNlYyApCj4gICAgICB7Cj4gKyNpZmRlZiBDT05GSUdfSEFTX0FMVEVSTkFUSVZFCj4gICAg ICAgICAgc3RydWN0IGFsdF9pbnN0ciAqYSwgKnN0YXJ0LCAqZW5kOwo+ICAKPiAgICAgICAgICBp ZiAoIHNlYy0+c2VjLT5zaF9zaXplICUgc2l6ZW9mKCphKSApCj4gQEAgLTcxNSwxMyArNzE1LDE3 IEBAIHN0YXRpYyBpbnQgcHJlcGFyZV9wYXlsb2FkKHN0cnVjdCBwYXlsb2FkICpwYXlsb2FkLAo+ ICAgICAgICAgICAgICB9Cj4gICAgICAgICAgfQo+ICAgICAgICAgIGFwcGx5X2FsdGVybmF0aXZl cyhzdGFydCwgZW5kKTsKPiAtICAgIH0KPiArI2Vsc2UKPiArICAgICAgICBkcHJpbnRrKFhFTkxP R19FUlIsIExJVkVQQVRDSCAiJXM6IFdlIGRvbid0IHN1cHBvcnQgYWx0ZXJuYXRpdmUgcGF0Y2hp bmchXG4iLAo+ICsgICAgICAgICAgICAgICAgZWxmLT5uYW1lKTsKPiArICAgICAgICByZXR1cm4g LUVPUE5PVFNVUFA7Cj4gICNlbmRpZgo+ICsgICAgfQo+ICAKPiAtI2lmZGVmIENPTkZJR19IQVNf RVhfVEFCTEUKPiAgICAgIHNlYyA9IGxpdmVwYXRjaF9lbGZfc2VjX2J5X25hbWUoZWxmLCAiLmV4 X3RhYmxlIik7Cj4gICAgICBpZiAoIHNlYyApCj4gICAgICB7Cj4gKyNpZmRlZiBDT05GSUdfSEFT X0VYX1RBQkxFCj4gICAgICAgICAgc3RydWN0IGV4Y2VwdGlvbl90YWJsZV9lbnRyeSAqcywgKmU7 Cj4gIAo+ICAgICAgICAgIGlmICggIXNlYy0+c2VjLT5zaF9zaXplIHx8Cj4gQEAgLTc0MCw4ICs3 NDQsMTIgQEAgc3RhdGljIGludCBwcmVwYXJlX3BheWxvYWQoc3RydWN0IHBheWxvYWQgKnBheWxv YWQsCj4gIAo+ICAgICAgICAgIHJlZ2lvbi0+ZXggPSBzOwo+ICAgICAgICAgIHJlZ2lvbi0+ZXhf ZW5kID0gZTsKPiAtICAgIH0KPiArI2Vsc2UKPiArICAgICAgICBkcHJpbnRrKFhFTkxPR19FUlIs IExJVkVQQVRDSCAiJXM6IFdlIGRvbid0IHN1cHBvcnQgLmV4X3RhYmxlIVxuIiwKPiArICAgICAg ICAgICAgICAgIGVsZi0+bmFtZSk7Cj4gKyAgICAgICAgcmV0dXJuIC1FT1BOT1RTVVBQOwo+ICAj ZW5kaWYKPiArICAgIH0KPiAgCj4gICAgICByZXR1cm4gMDsKPiAgfQo+IC0tIAo+IDIuNC4xMQo+ IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhl bi5vcmcveGVuLWRldmVsCg==