From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [RFC 0/5] xen/arm: support big.little SoC Date: Mon, 19 Sep 2016 12:06:57 +0200 Message-ID: References: <1474250936-27962-1-git-send-email-peng.fan@nxp.com> <10152e13-bccb-0794-44e4-556845875e33@arm.com> <20160919083619.GA16854@linux-7smt.suse> <5ddefbc1-3bd4-c990-b615-0039761535d8@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: George Dunlap Cc: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= , Peng Fan , Stefano Stabellini , Andrew Cooper , Dario Faggioli , "xen-devel@lists.xen.org" , Jan Beulich , Peng Fan List-Id: xen-devel@lists.xenproject.org SGkgR2VvcmdlLAoKT24gMTkvMDkvMjAxNiAxMTo0NSwgR2VvcmdlIER1bmxhcCB3cm90ZToKPiBP biBNb24sIFNlcCAxOSwgMjAxNiBhdCA5OjUzIEFNLCBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFs bEBhcm0uY29tPiB3cm90ZToKPj4+PiBBcyBtZW50aW9uZWQgaW4gdGhlIG1haWwgeW91IHBvaW50 ZWQgYWJvdmUsIHRoaXMgc2VyaWVzIGlzIG5vdCBlbm91Z2ggdG8KPj4+PiBtYWtlCj4+Pj4gYmln LkxJVFRMRSB3b3JraW5nIG9uIHRoZW4uIFhlbiBpcyBhbHdheXMgdXNpbmcgdGhlIGJvb3QgQ1BV IHRvIGRldGVjdAo+Pj4+IHRoZQo+Pj4+IGxpc3Qgb2YgZmVhdHVyZXMuIFdpdGggYmlnLkxJVFRM RSBmZWF0dXJlcyBtYXkgbm90IGJlIHRoZSBzYW1lLgo+Pj4+Cj4+Pj4gQW5kIEkgd291bGQgcHJl ZmVyIHRvIHNlZSBYZW4gc3VwcG9ydGluZyBiaWcuTElUVExFIGNvcnJlY3RseSBiZWZvcmUKPj4+ PiBiZWdpbm5pbmcgdG8gdGhpbmsgdG8gZXhwb3NlIGJpZy5MSVRUTEUgdG8gdGhlIHVzZXJzcGFj ZSAodmlhIGNwdXBvb2wpCj4+Pj4gYXV0b21hdGljYWxseS4KPj4+Cj4+Pgo+Pj4gRG8geW91IG1l YW4gdmNwdXMgYmUgc2NoZWR1bGVkIGJldHdlZW4gYmlnIGFuZCBsaXR0bGUgY3B1cyBmcmVlbHk/ Cj4+Cj4+Cj4+IEJ5IHN1cHBvcnRpbmcgYmlnLkxJVFRMRSBjb3JyZWN0bHkgSSBtZWFudCBYZW4g dGhpbmtzIHRoYXQgYWxsIHRoZSBjb3JlcyBoYXMKPj4gdGhlIHNhbWUgc2V0IG9mIGZlYXR1cmVz LiBTbyB0aGUgZmVhdHVyZSBkZXRlY3Rpb24gaXMgb25seSBkb25lIHRoZSBib290Cj4+IENQVS4g U2VlIHByb2Nlc3Nvcl9zZXR1cCBmb3IgaW5zdGFuY2UuLi4KPj4KPj4gTW92aW5nIHZDUFVzIGJl dHdlZW4gYmlnIGFuZCBsaXR0bGUgY29yZXMgd291bGQgYmUgYSBoYXJkIHRhc2sgKGNhY2hlIGxp bmUKPj4gaXNzdWUsIGFuZCBwb3NzaWJseSBmZWF0dXJlKSBhbmQgSSBkb24ndCBleHBlY3QgdG8g ZXZlciBjcm9zcyB0aGlzIGluIFhlbi4KPj4gSG93ZXZlciwgSSBhbSBleHBlY3RpbmcgdG8gc2Vl IGJpZy5MSVRUTEUgZXhwb3NlZCB0byB0aGUgZ3Vlc3QgKGkuZSBoYXZpbmcKPj4gYmlnIGFuZCBs aXR0bGUgdkNQVXMpLgo+Cj4gU28gaXQgc291bmRzIGxpa2UgdGhlIGJpZyBhbmQgTElUVExFIGNv cmVzIGFyZSBhcmNoaXRlY3R1cmFsbHkKPiBkaWZmZXJlbnQgZW5vdWdoIHRoYXQgc29mdHdhcmUg bXVzdCBiZSBhd2FyZSBvZiB3aGljaCBvbmUgaXQncyBydW5uaW5nCj4gb24/CgpUaGF0J3MgY29y cmVjdC4gRWFjaCBiaWcgYW5kIExJVFRMRSBjb3JlcyBtYXkgaGF2ZSBkaWZmZXJlbnQgZXJyYXRh LCAKZGlmZmVyZW50IGZlYXR1cmVzLi4uCgpJdCBoYXMgYWxzbyB0aGUgYWR2YW50YWdlIHRvIGxl dCB0aGUgZ3Vlc3QgZGVhbGluZyBpdHNlbGYgd2l0aCBpdHMgb3duIApwb3dlciBlZmZpY2llbmN5 IHdpdGhvdXQgaW50cm9kdWNpbmcgYSBzcGVjaWZpYyBYZW4gaW50ZXJmYWNlLgoKPgo+IEV4cG9z aW5nIHZhcnlpbmcgbnVtYmVycyBvZiBiaWcgYW5kIExJVFRMRSB2Y3B1cyB0byBndWVzdHMgc2Vl bXMgbGlrZQo+IGEgc2Vuc2libGUgYXBwcm9hY2guICBCdXQgYXQgdGhlIG1vbWVudCBjcHVwb29s cyBvbmx5IGFsbG93IGEgZG9tYWluCj4gdG8gYmUgaW4gZXhhY3RseSBvbmUgcG9vbCAtLSBtZWFu aW5nIGlmIHdlIHVzZSBjcHVwb29scyB0byBjb250cm9sIHRoZQo+IGJpZy5MSVRUTEUgcGxhY2Vt ZW50LCB5b3Ugd29uJ3QgYmUgKmFibGUqIHRvIGhhdmUgZ3Vlc3RzIHdpdGggYm90aCBiaWcKPiBh bmQgTElUVExFIHZjcHVzLgo+Cj4+PiBJZiBuZWVkIHRvIGNyZWF0ZSBhbGwgdGhlIHBvb2xzLCBu ZWVkIHRvIGRlY2lkZWQgaG93IG1hbnkgcG9vbHMgbmVlZCB0byBiZQo+Pj4gY3JlYXRlZC4KPj4+ IEkgdGhvdWdodCBhYm91dCB0aGlzLCBidXQgSSBkbyBub3QgY29tZSBvdXQgYSBnb29kIGlkZWEu Cj4+Pgo+Pj4gVGhlIGNwdXBvb2wwIGlzIGRlZmluZWQgaW4geGVuL2NvbW1vbi9jcHVwb29sLmMs IGlmIG5lZWQgdG8gY3JlYXRlIG1hbnkKPj4+IHBvb2xzLAo+Pj4gbmVlZCB0byBhbGxvYyBjcHVw b29scyBkeW5hbWljYWxseSB3aGVuIGJvb3RpbmcuIEkgd291bGQgbm90IGxpa2UgdG8KPj4+IGNo YW5nZSBhCj4+PiBsb3QgdG8gY29tbW9uIGNvZGUuCj4+Cj4+Cj4+IFdoeT8gV2Ugc2hvdWxkIGF2 b2lkIHRvIGNob29zZSBhIHNwZWNpZmljIGRlc2lnbiBqdXN0IGJlY2F1c2UgdGhlIGNvbW1vbgo+ PiBjb2RlIGRvZXMgbm90IGFsbG93IHlvdSB0byBkbyBpdCB3aXRob3V0IGhlYXZ5IGNoYW5nZS4K Pj4KPj4gV2UgbmV2ZXIgY2FtZSBhY3Jvc3MgdGhlIGJpZy5MSVRUTEUgcHJvYmxlbSBvbiB4ODYs IHNvIGl0IGlzIG5vcm1hbCB0bwo+PiBtb2RpZnkgdGhlIGNvZGUuCj4KPiBKdWxpZW4gaXMgY29y cmVjdDsgdGhlcmUncyBubyByZWFzb24gd2UgY291bGRuJ3QgaGF2ZSBhIGRlZmF1bHQKPiBtdWx0 aXBsZSBwb29scyBvbiBib290Lgo+Cj4+PiBUaGUgaW1wbGVtZW50YXRpb24gaW4gdGhpcyBwYXRj aHNldCBJIHRoaW5rIGlzIGFuIGVhc3kgd2F5IHRvIGxldCBCaWcgYW5kCj4+PiBMaXR0bGUKPj4+ IENQVXMgYWxsIHJ1bi4KPj4KPj4KPj4gSSBjYXJlIGFib3V0IGhhdmluZyBhIGRlc2lnbiBhbGxv d2luZyBhbiBlYXN5IHVzZSBvZiBiaWcuTElUVExFIG9uIFhlbi4gWW91cgo+PiBzb2x1dGlvbiBy ZXF1aXJlcyB0aGUgYWRtaW5pc3RyYXRvciB0byBrbm93IHRoZSB1bmRlcmx5aW5nIHBsYXRmb3Jt IGFuZAo+PiBjcmVhdGUgdGhlIHBvb2wuCj4+Cj4+IEluIHRoZSBzb2x1dGlvbiBJIHN1Z2dlc3Rl ZCwgdGhlIHBvb2xzIHdvdWxkIGJlIGNyZWF0ZWQgYnkgWGVuIChhbmQgdGhlIGluZm8KPj4gZXhw b3NlZCB0byB0aGUgdXNlcnNwYWNlIGZvciB0aGUgYWRtaW4pLgo+Cj4gRldJVyBhbm90aGVyIGFw cHJvYWNoIGNvdWxkIGJlIHRoZSBvbmUgdGFrZW4gYnkgInhsCj4gY3B1cG9vbC1udW1hLXNwbGl0 IjogeW91IGNvdWxkIGhhdmUgInhsIGNwdXBvb2wtYmlnTElUVExFLXNwbGl0IiBvcgo+IHNvbWV0 aGluZyB0aGF0IHdvdWxkIGF1dG9tYXRpY2FsbHkgc2V0IHVwIHRoZSBwb29scy4KPgo+IEJ1dCBl eHBhbmRpbmcgdGhlIHNjaGVkdWxlcnMgdG8ga25vdyBhYm91dCBkaWZmZXJlbnQgY2xhc3NlcyBv ZiBjcHVzLAo+IGFuZCBoYXZpbmcgdmNwdXMgc3BlY2lmaWVkIGFzIHJ1bm5pbmcgb25seSBvbiBz cGVjaWZpYyB0eXBlcyBvZiBwY3B1cywKPiBzZWVtcyBsaWtlIGEgbW9yZSBmbGV4aWJsZSBhcHBy b2FjaC4KClNvLCBpZiBJIHVuZGVyc3RhbmQgY29ycmVjdGx5LCB5b3Ugd291bGQgbm90IHJlY29t bWVuZCB0byBleHRlbmQgdGhlIApudW1iZXIgb2YgQ1BVIHBvb2wgcGVyIGRvbWFpbiwgY29ycmVj dD8KClJlZ2FyZHMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK