From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Subject: Re: [RFC 0/5] xen/arm: support big.little SoC Date: Mon, 19 Sep 2016 21:08:28 +0800 Message-ID: <20160919130826.GA7407@linux-u7w5.ap.freescale.net> 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" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <5ddefbc1-3bd4-c990-b615-0039761535d8@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall Cc: jgross@suse.com, Peng Fan , sstabellini@kernel.org, George Dunlap , andrew.cooper3@citrix.com, dario.faggioli@citrix.com, xen-devel@lists.xen.org, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org SGVsbG8gSnVsaWVuLApPbiBNb24sIFNlcCAxOSwgMjAxNiBhdCAxMDo1Mzo1NkFNICswMjAwLCBK dWxpZW4gR3JhbGwgd3JvdGU6Cj5IZWxsbywKPgo+T24gMTkvMDkvMjAxNiAxMDozNiwgUGVuZyBG YW4gd3JvdGU6Cj4+T24gTW9uLCBTZXAgMTksIDIwMTYgYXQgMTA6MDk6MDZBTSArMDIwMCwgSnVs aWVuIEdyYWxsIHdyb3RlOgo+Pj5IZWxsbyBQZW5nLAo+Pj4KPj4+T24gMTkvMDkvMjAxNiAwNDow OCwgdmFuLmZyZWVuaXhAZ21haWwuY29tIHdyb3RlOgo+Pj4+RnJvbTogUGVuZyBGYW4gPHBlbmcu ZmFuQG54cC5jb20+Cj4+Pj4KPj4+PlRoaXMgcGF0Y2hzZXQgaXMgdG8gc3VwcG9ydCBYRU4gcnVu IG9uIGJpZy5saXR0bGUgU29DLgo+Pj4+VGhlIGlkZWEgb2YgdGhlIHBhdGNoIGlzIGZyb20KPj4+ PiJodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL2FyY2hpdmVzL2h0bWwveGVuLWRldmVsLzIw MTYtMDUvbXNnMDA0NjUuaHRtbCIKPj4+Pgo+Pj4+VGhlcmUgYXJlIHNvbWUgY2hhbmdlcyB0byBj cHVwb29sIGFuZCBhZGQgeDg2IHN0dWIgZnVuY3Rpb25zIHRvIGF2b2lkIGJ1aWxkCj4+Pj5icmVh ay4gU2VuZGluZyBUaGUgUkZDIHBhdGNoc2V0IG91dCBpcyB0byByZXF1ZXN0IGZvciBjb21tZW50 cyB0byBzZWUgd2hldGhlcgo+Pj4+dGhpcyBpbXBsZW1lbnRhdGlvbiBpcyBhY2NlcHRhYmxlIG9y IG5vdC4gUGF0Y2hzZXQgaGF2ZSBiZWVuIHRlc3RlZCBiYXNlZCBvbgo+Pj4+eGVuLTQuOCB1bnN0 YWJsZSBvbiBOWFAgaS5NWDguCj4+Pj4KPj4+PkkgdXNlIEJpZy9MaXR0bGUgQ1BVIGFuZCBjcHVw b29sIHRvIGV4cGxhaW4gdGhlIGlkZWEuCj4+Pj5BIHBvb2wgY29udGFpbnMgQmlnIENQVXMgaXMg Y2FsbGVkIEJpZyBQb29sLgo+Pj4+QSBwb29sIGNvbnRhaW5zIExpdHRsZSBDUFVzIGlzIGNhbGxl ZCBMaXR0bGUgUG9vbC4KPj4+PklmIGEgcG9vbCBkb2VzIG5vdCBjb250YWlucyBhbnkgcGh5c2lj YWwgY3B1cywgTGl0dGxlIENQVXMgb3IgQmlnIENQVXMKPj4+PmNhbiBiZSBhZGRlZCB0byB0aGUg Y3B1cG9vbC4gQnV0IHRoZSBjcHVwb29sIGNhbiBub3QgY29udGFpbiBib3RoIExpdHRsZQo+Pj4+ YW5kIEJpZyBDUFVzLiBUaGUgQ1BVcyBpbiBhIGNwdXBvb2wgbXVzdCBoYXZlIHRoZSBzYW1lIGNw dSB0eXBlKG1pZHIgdmFsdWUgZm9yIEFSTSkuCj4+Pj5DUFVzIGNhbiBub3QgYmUgYWRkZWQgdG8g dGhlIGNwdXBvb2wgd2hpY2ggY29udGFpbnMgY3B1cyB0aGF0IGhhdmUgZGlmZmVyZW50IGNwdSB0 eXBlLgo+Pj4+TGl0dGxlIENQVXMgY2FuIG5vdCBiZSBtb3ZlZCB0byBCaWcgUG9vbCBpZiB0aGVy ZSBhcmUgQmlnIENQVXMgaW4gQmlnIFBvb2wsCj4+Pj5hbmQgdmVyc2EuIERvbWFpbiBpbiBCaWcg UG9vbCBjYW4gbm90IGJlIG1pZ3JhdGVkIHRvIExpdHRsZSBQb29sLCBhbmQgdmVyc2EuCj4+Pj5X aGVuIFhFTiB0cmllcyB0byBicmluZ3VwIGFsbCB0aGUgQ1BVcywgb25seSBhZGQgQ1BVcyB3aXRo IHRoZSBzYW1lIGNwdSB0eXBlKHNhbWUgbWlkciB2YWx1ZSkKPj4+PmludG8gY3B1cG9vbDAuCj4+ Pgo+Pj5BcyBtZW50aW9uZWQgaW4gdGhlIG1haWwgeW91IHBvaW50ZWQgYWJvdmUsIHRoaXMgc2Vy aWVzIGlzIG5vdCBlbm91Z2ggdG8gbWFrZQo+Pj5iaWcuTElUVExFIHdvcmtpbmcgb24gdGhlbi4g WGVuIGlzIGFsd2F5cyB1c2luZyB0aGUgYm9vdCBDUFUgdG8gZGV0ZWN0IHRoZQo+Pj5saXN0IG9m IGZlYXR1cmVzLiBXaXRoIGJpZy5MSVRUTEUgZmVhdHVyZXMgbWF5IG5vdCBiZSB0aGUgc2FtZS4K Pj4+Cj4+PkFuZCBJIHdvdWxkIHByZWZlciB0byBzZWUgWGVuIHN1cHBvcnRpbmcgYmlnLkxJVFRM RSBjb3JyZWN0bHkgYmVmb3JlCj4+PmJlZ2lubmluZyB0byB0aGluayB0byBleHBvc2UgYmlnLkxJ VFRMRSB0byB0aGUgdXNlcnNwYWNlICh2aWEgY3B1cG9vbCkKPj4+YXV0b21hdGljYWxseS4KPj4K Pj5EbyB5b3UgbWVhbiB2Y3B1cyBiZSBzY2hlZHVsZWQgYmV0d2VlbiBiaWcgYW5kIGxpdHRsZSBj cHVzIGZyZWVseT8KPgo+Qnkgc3VwcG9ydGluZyBiaWcuTElUVExFIGNvcnJlY3RseSBJIG1lYW50 IFhlbiB0aGlua3MgdGhhdCBhbGwgdGhlIGNvcmVzIGhhcwo+dGhlIHNhbWUgc2V0IG9mIGZlYXR1 cmVzLiBTbyB0aGUgZmVhdHVyZSBkZXRlY3Rpb24gaXMgb25seSBkb25lIHRoZSBib290IENQVS4K PlNlZSBwcm9jZXNzb3Jfc2V0dXAgZm9yIGluc3RhbmNlLi4uCj4KPk1vdmluZyB2Q1BVcyBiZXR3 ZWVuIGJpZyBhbmQgbGl0dGxlIGNvcmVzIHdvdWxkIGJlIGEgaGFyZCB0YXNrIChjYWNoZSBsaW5l Cj5pc3N1ZSwgYW5kIHBvc3NpYmx5IGZlYXR1cmUpIGFuZCBJIGRvbid0IGV4cGVjdCB0byBldmVy IGNyb3NzIHRoaXMgaW4gWGVuLgo+SG93ZXZlciwgSSBhbSBleHBlY3RpbmcgdG8gc2VlIGJpZy5M SVRUTEUgZXhwb3NlZCB0byB0aGUgZ3Vlc3QgKGkuZSBoYXZpbmcKPmJpZyBhbmQgbGl0dGxlIHZD UFVzKS4KPgo+Pgo+PlRoaXMgcGF0Y2hzZXQgaXMgdG8gdXNlIGNwdXBvb2wgdG8gYmxvY2sgdGhl IHZjcHUgYmUgc2NoZWR1bGVkIGJldHdlZW4gYmlnIGFuZAo+PmxpdHRsZSBjcHVzLgo+Pgo+Pj4K Pj4+U2VlIGZvciBpbnN0YW5jZSB2LT5hcmNoLmFjdGxyID0gUkVBRF9TWVNSRUczMihBQ1RMUl9F TDEpLgoKQmFjayB0byB0aGlzLgpJbiB4ZW4vYXJjaC9hcm0vdHJhcHMuYywgSSBmb3VuZCB0aGF0 CiIKV1JJVEVfU1lTUkVHKEhDUl9QVFd8SENSX0JTVV9JTk5FUnxIQ1JfQU1PfEhDUl9JTU98SENS X0ZNT3xIQ1JfVk18CiAgICAgICAgICAgICBIQ1JfVFdFfEhDUl9UV0l8SENSX1RTQ3xIQ1JfVEFD fEhDUl9TV0lPfEhDUl9USURDUHxIQ1JfRkIsCiAgICAgICAgICAgICBIQ1JfRUwyKTsKIgoKSENS X1RBQ1IsIEhDUl9USUR4IGlzIG5vdCBzZXQuIEhDUl9USURDUCBpcyBzZXQsIGJ1dCB0aGlzIGlz IHVzZWQgdG8gdHJhcAppbXBsZW1lbnRhdGlvbiBkZWZpbmVkIHJlZ2lzdGVycy4KClNvIGFjY2Vz c2luZyB0aGUgYWN0bHIgYW5kIGNwdSBmZWF0dXJlIHJlZ2lzdGVycyhleGNsdWRlIHRoZSBpbXBs ZW1lbnRhdGlvbiBkZWZpbmVkIG9uZXMpCmluIGd1ZXN0IG9zIHdpbGwgbm90IHRyYXAgdG8geGVu LCByaWdodD8KSWYgdGhpcyBpcyB0cnVlLCB0aGUgYWN0bHIgYW5kIGNwdSBmZWF0dXJlIHJlZ2lz dGVycyBmb3IgRG9tVSBpbiBQb29sLUE3MiBpbiBteSBjYXNlCnNob3VsZCBiZSBjb3JyZWN0LgoK VGhhbmtzLApQZW5nLgoKPj4KPj5UaGFua3MgZm9yIHRoaXMuIEkgb25seSBleHBvc2UgY3B1aWQg dG8gZ3Vlc3QsIG1pc3NlZCBhY3Rsci4gSSdsbCBjaGVjawo+PnRoZSBBNTMgYW5kIEE3MiBUUk0g YWJvdXQgQUFyY2g2NCBpbXBsZW1lbnRhdGlvbmQgZGVmaW5lZCByZWdpc3RlcnMuCj4+VGhpcyBh Y3RsciBjYW4gYmUgYWRkZWQgdG8gdGhlIGNwdXBvb2xfYXJjaF9pbmZvIGFzIG1pZHIuCj4+Cj4+ UmVhZGluZyAidmNwdV9pbml0aWFsaXNlIiwgc2VlbXMgb25seSBNSURSIGFuZCBBQ1RMUiBuZWVk cyB0byBiZSBoYW5kbGVkLgo+PlBsZWFzZSBhZHZpc2UgaWYgSSBtaXNzZWQgYW55dGhpbmcgZWxz ZS4KPgo+SGF2ZSB5b3UgY2hlY2sgdGhlIHJlZ2lzdGVyIGVtdWxhdGlvbj8KCgo+Cj4+Cj4+Pgo+ Pj4+Cj4+Pj5UaGlua2luZyBhbiBTb0Mgd2l0aCA0IEE1MyhjcHVbMC0zXSkgKyAyIEE3MihjcHVb NC01XSksIGNwdTAgaXMgdGhlIGZpcnN0IG9uZQo+Pj4+dGhhdCBib290cyB1cC4gV2hlbiBYRU4g dHJpZXMgdG8gYnJpbmd1cCBzZWNvbmRhcnkgQ1BVcywgYWRkIGNwdVswLTNdIHRvCj4+Pj5jcHVw b29sMCBhbmQgbGVhdmUgY3B1WzQtNV0gbm90IGluIGFueSBjcHVwb29sLiBUaGVuIHdoZW4gRG9t MCBib290cyB1cCwKPj4+PmB4bCBjcHVwb29sLWxpc3QgLWNgIHdpbGwgc2hvdyBjcHVbMC0zXSBp biBQb29sLTAuCj4+Pj4KPj4+PlRoZW4gdXNlIHRoZSBmb2xsb3dpbmcgc2NyaXB0IHRvIGNyZWF0 ZSBhIG5ldyBjcHVwb29sIGFuZCBhZGQgY3B1WzQtNV0gdG8KPj4+PnRoZSBjcHVwb29sLgo+Pj4+ I3hsIGNwdXBvb2wtY3JlYXRlIG5hbWU9XCJQb29sLUE3MlwiIHNjaGVkPVwiY3JlZGl0MlwiCj4+ Pj4jeGwgY3B1cG9vbC1jcHUtYWRkIFBvb2wtQTcyIDQKPj4+PiN4bCBjcHVwb29sLWNwdS1hZGQg UG9vbC1BNzIgNQo+Pj4+I3hsIGNyZWF0ZSAtZCAvcm9vdC94ZW4vZG9tdS10ZXN0IHBvb2w9XCJQ b29sLUE3MlwiCj4+Pgo+Pj5JIGFtIGEgYml0IGNvbmZ1c2VkIHdpdGggdGhlc2UgcnVuZXMuIEl0 IG1lYW5zIHRoYXQgb25seSB0aGUgZmlyc3Qga2luZCBvZgo+Pj5DUFVzIGhhdmUgcG9vbCBhc3Np Z25lZC4gV2h5IGRvbid0IHlvdSBkaXJlY3RseSBjcmVhdGUgYWxsIHRoZSBwb29scyBhdCBib290 Cj4+PnRpbWU/Cj4+Cj4+SWYgbmVlZCB0byBjcmVhdGUgYWxsIHRoZSBwb29scywgbmVlZCB0byBk ZWNpZGVkIGhvdyBtYW55IHBvb2xzIG5lZWQgdG8gYmUgY3JlYXRlZC4KPj5JIHRob3VnaHQgYWJv dXQgdGhpcywgYnV0IEkgZG8gbm90IGNvbWUgb3V0IGEgZ29vZCBpZGVhLgo+Pgo+PlRoZSBjcHVw b29sMCBpcyBkZWZpbmVkIGluIHhlbi9jb21tb24vY3B1cG9vbC5jLCBpZiBuZWVkIHRvIGNyZWF0 ZSBtYW55IHBvb2xzLAo+Pm5lZWQgdG8gYWxsb2MgY3B1cG9vbHMgZHluYW1pY2FsbHkgd2hlbiBi b290aW5nLiBJIHdvdWxkIG5vdCBsaWtlIHRvIGNoYW5nZSBhCj4+bG90IHRvIGNvbW1vbiBjb2Rl Lgo+Cj5XaHk/IFdlIHNob3VsZCBhdm9pZCB0byBjaG9vc2UgYSBzcGVjaWZpYyBkZXNpZ24ganVz dCBiZWNhdXNlIHRoZSBjb21tb24gY29kZQo+ZG9lcyBub3QgYWxsb3cgeW91IHRvIGRvIGl0IHdp dGhvdXQgaGVhdnkgY2hhbmdlLgo+Cj5XZSBuZXZlciBjYW1lIGFjcm9zcyB0aGUgYmlnLkxJVFRM RSBwcm9ibGVtIG9uIHg4Niwgc28gaXQgaXMgbm9ybWFsIHRvIG1vZGlmeQo+dGhlIGNvZGUuCj4K Pj5UaGUgaW1wbGVtZW50YXRpb24gaW4gdGhpcyBwYXRjaHNldCBJIHRoaW5rIGlzIGFuIGVhc3kg d2F5IHRvIGxldCBCaWcgYW5kIExpdHRsZQo+PkNQVXMgYWxsIHJ1bi4KPgo+SSBjYXJlIGFib3V0 IGhhdmluZyBhIGRlc2lnbiBhbGxvd2luZyBhbiBlYXN5IHVzZSBvZiBiaWcuTElUVExFIG9uIFhl bi4gWW91cgo+c29sdXRpb24gcmVxdWlyZXMgdGhlIGFkbWluaXN0cmF0b3IgdG8ga25vdyB0aGUg dW5kZXJseWluZyBwbGF0Zm9ybSBhbmQKPmNyZWF0ZSB0aGUgcG9vbC4KPgo+SW4gdGhlIHNvbHV0 aW9uIEkgc3VnZ2VzdGVkLCB0aGUgcG9vbHMgd291bGQgYmUgY3JlYXRlZCBieSBYZW4gKGFuZCB0 aGUgaW5mbwo+ZXhwb3NlZCB0byB0aGUgdXNlcnNwYWNlIGZvciB0aGUgYWRtaW4pLgo+Cj4+Cj4+ Pgo+Pj5BbHNvLCBpbiB3aGljaCBwb29sIGEgZG9tYWluIHdpbGwgYmUgY3JlYXRlZCBpZiBub25l IGlzIHNwZWNpZmllZD8KPj4+Cj4+Pj5Ob3cgYHhsIGNwdXBvb2wtbGlzdCAtY2Agc2hvd3M6Cj4+ Pj5OYW1lICAgICAgICAgICAgQ1BVIGxpc3QKPj4+PlBvb2wtMCAgICAgICAgICAwLDEsMiwzCj4+ Pj5Qb29sLUE3MiAgICAgICAgNCw1Cj4+Pj4KPj4+PmB4bCBjcHVwb29sLWxpc3RgIHNob3dzOgo+ Pj4+TmFtZSAgICAgICAgICAgICAgIENQVXMgICBTY2hlZCAgICAgQWN0aXZlICAgRG9tYWluIGNv dW50Cj4+Pj5Qb29sLTAgICAgICAgICAgICAgICA0ICAgIGNyZWRpdCAgICAgICB5ICAgICAgICAg IDEKPj4+PlBvb2wtQTcyICAgICAgICAgICAgIDIgICBjcmVkaXQyICAgICAgIHkgICAgICAgICAg MQo+Pj4+Cj4+Pj5geGwgY3B1cG9vbC1jcHUtcmVtb3ZlIFBvb2wtQTcyIDRgLCB0aGVuIGB4bCBj cHVwb29sLWNwdS1hZGQgUG9vbC0wIDRgCj4+Pj5ub3Qgc3VjY2VzcywgYmVjYXVzZSBQb29sLTAg Y29udGFpbnMgQTUzIENQVXMsIGJ1dCBDUFU0IGlzIGFuIEE3MiBDUFUuCj4+Pj4KPj4+PmB4bCBj cHVwb29sLW1pZ3JhdGUgRG9tVSBQb29sLTBgIHdpbGwgYWxzbyBmYWlsLCBiZWNhdXNlIERvbVUg aXMgY3JlYXRlZAo+Pj4+aW4gUG9vbC1BNzIgd2l0aCBBNzIgdmNwdSwgd2hpbGUgUG9vbC0wIGhh dmUgQTUzIHBoeXNpY2FsIGNwdXMuCj4+Pj4KPj4+PlBhdGNoIDEvNToKPj4+PnVzZSAiY3B1bWFz a193ZWlnaHQoY3B1cG9vbDAtPmNwdV92YWxpZCk7IiB0byByZXBsYWNlICJudW1fb25saW5lX2Nw dXMoKSIsCj4+Pj5iZWNhdXNlIG51bV9vbmxpbmVfY3B1cygpIGNvdW50cyBhbGwgdGhlIG9ubGlu ZSBDUFVzLCBidXQgbm93IHdlIG9ubHkKPj4+Pm5lZWQgQmlnIG9yIExpdHRsZSBDUFVzLgo+Pj4K Pj4+U28gaWYgSSB1bmRlcnN0YW5kIGNvcnJlY3RseSwgaWYgdGhlIGJvb3QgQ1BVIGlzIGEgbGl0 dGxlIENQVSwgRE9NMCB3aWxsCj4+PmFsd2F5cyBiZSBhYmxlIHRvIG9ubHkgdXNlIGxpdHRsZSBv bmVzLiBJcyB0aGF0IHJpZ2h0Pwo+Pgo+PlllYWguIERvbTAgb25seSB1c2UgdGhlIGxpdHRsZSBv bmVzLgo+Cj5UaGlzIGlzIHJlYWxseSBiYWQsIGRvbTAgb24gbm9ybWFsIGNhc2Ugd2lsbCBoYXZl IGFsbCB0aGUgYmFja2VuZHMuIEl0IG1heQo+bm90IGJlIHBvc3NpYmxlIHRvIHNlbGVjdCB0aGUg Ym9vdCBDUFUsIGFuZCB0aGVyZWZvcmUgYWx3YXlzIGdldCBhIGxpdHRsZQo+Q1BVLgo+Cj5DcmVh dGluZyB0aGUgcG9vbCBhdCBib290IHRpbWUgd291bGQgaGF2ZSBhdm9pZCBhIHN1Y2ggaXNzdWUg YmVjYXVzZSwgdW5sZXNzCj53ZSBleHBvc2UgYmlnLkxJVFRMRSB0byBkb20wIChJIHdvdWxkIG5l ZWQgdGhlIGlucHV0IG9mIEdlb3JnZSBhbmQgRGFyaW8gZm9yCj50aGlzIGJpdHMpLCB3ZSBjb3Vs ZCBoYXZlIGEgcGFyYW1ldGVyIHRvIHNwZWNpZnkgd2hpY2ggc2V0IG9mIENQVXMgKGUuZyBwb29s KQo+dG8gYWxsb2NhdGUgZG9tMCB2Q1BVcy4KPgo+Tm90ZSwgdGhhdCBJIGFtIG5vdCBhc2tpbmcg eW91IHRvIGltcGxlbWVudCBldmVyeXRoaW5nLiBCdXQgSSB0aGluayB3ZSBuZWVkIGEKPmNvaGVy ZW50IHZpZXcgb2YgYmlnLkxJVFRMRSBzdXBwb3J0IGluIFhlbiB0b2RheSB0byBnbyBmb3J3YXJk Lgo+Cj5SZWdhcmRzLAo+Cj4tLSAKPkp1bGllbiBHcmFsbAoKLS0gCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK