From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH] xen/arm64: Use __flush_dcache_area instead of __flush_dcache_all Date: Tue, 14 Oct 2014 18:07:54 +0100 Message-ID: <20141014170753.GA4517@leverpostej> References: <20141007104035.GB24725@leverpostej> <20141014092106.GF16598@leverpostej> <1413279323.1497.27.camel@citrix.com> <20141014103233.GH16598@leverpostej> <1413283177.10417.34.camel@citrix.com> <20141014112333.GJ16598@leverpostej> <1413291289.10417.46.camel@citrix.com> <20141014143002.GA1995@leverpostej> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Roy Franz Cc: Ian Campbell , "julien.grall@linaro.org" , "xen-devel@lists.xen.org" , "suravee.suthikulpanit@amd.com" , "stefano.stabellini@eu.citrix.com" List-Id: xen-devel@lists.xenproject.org Wy4uLl0KCj4gPj4gPiAgICBBcyBmYXIgYXMgSSBhbSBhd2FyZSwgVUVGSSBtYXkgaGF2ZSBhbiBh cmJpdHJhcnkgc2V0IG9mIG1hcHBpbmdzCj4gPj4gPiAgICBwcmVzZW50IGR1cmluZyBib290IHNl cnZpY2VzIHRpbWUsIHdpdGggYXJiaXRyYXJ5IGRyaXZlcnMgYWN0aXZlLgo+ID4+ID4gICAgVGhh dCBtZWFucyB0aGF0IFVFRkkgY2FuIGNyZWF0ZSBkaXJ0eSBjYWNoZSBlbnRyaWVzIGNvbmN1cnJl bnRseSB3aXRoCj4gPj4gPiAgICB0aGUgYm9vdGxvYWRlciwgaW4gYWRkaXRpb24gdG8gdGhlIHVz dWFsIGNsZWFuIGVudHJpZXMgdGhhdCBjYW4gYmUKPiA+PiA+ICAgIGFsbG9jYXRlZCBhdCBhbnkg dGltZSB0aGFua3MgdG8gc3BlY3VsYXRpdmUgZmV0Y2hlcy4KPiAKPiBVRUZJIHNwZWNpZmllcyB0 aGF0IG1lbW9yeSBpbiB0aGUgRUZJIG1lbW9yeSBtYXAgaXMgZmxhdCBtYXBwZWQsIGJ1dAo+IEkn ZCBoYXZlIHRvIGxvb2sgdG8gc2VlIGlmCj4gaXQgcHJvaGliaXRzIG90aGVyIG1hcHBpbmdzIGlu IGFkZGl0aW9uIHRvIHRoYXQuICBPdGhlciBtYXBwaW5ncyBhcmUKPiBpbXBsZW1lbnRhdGlvbgo+ IGRlcGVuZGVudCAoZGV2aWNlcywgZXRjLiBvciBtZW1vcnkgbm90IGluIHRoZSBFRkkgbWVtb3J5 IG1hcC4pCgpSZWdhcmRsZXNzIG9mIHRoZSBzZXQgb2YgbWFwcGluZyB0aGF0IG1heSBleGlzdCwg dGhlIGtleSBwb2ludCBpcyB0aGF0CndlIGRvbid0IGtub3cgd2hhdCBtYXkgaGF2ZSBiZWVuIGFs bG9jYXRlZCBpbnRvIGEgY2FjaGUuIEFueSBwb3J0aW9uIG9mCm1lbW9yeSBjb3VsZCBoYXZlIGVu dHJpZXMgaW4gdGhlIGNhY2hlIGhpZXJhcmNoeSwgd2hpY2ggY291bGQgYmUgY2xlYW4Kb3IgZGly dHkuCgo+IEluIHJldmlld2luZyB0aGUgQWFyY2g2NCBzcGVjaWZpYyBwb3J0aW9uIG9mIHRoZSBz cGVjIChzZWN0aW9uIDIuMy42Cj4gQWFyY2g2NCBQbGF0Zm9ybXMpCj4gaXQgc2F5cyBpbiBwYXJ0 Ogo+IAo+IMK3IEltcGxlbWVudGF0aW9ucyBvZiBib290IHNlcnZpY2VzIHdpbGwgZW5hYmxlIGFy Y2hpdGVjdHVyYWxseQo+IG1hbmFnZWFibGUgY2FjaGVzIGFuZCBUTEJzIGkuZS4KPiAgIHRob3Nl IHRoYXQgY2FuIGJlIG1hbmFnZWQgZGlyZWN0bHkgdXNpbmcgaW1wbGVtZW50YXRpb24gaW5kZXBl bmRlbnQKPiByZWdpc3RlcnMgdXNpbmcKPiAgIG1lY2hhbmlzbXMgYW5kIHByb2NlZHVyZXMgZGVm aW5lZCBpbiB0aGUgQVJNIEFyY2hpdGVjdHVyZSBSZWZlcmVuY2UKPiBNYW51YWwuIFRoZXkgc2hv dWxkCj4gICBub3QgZW5hYmxlIGNhY2hlcyByZXF1aXJpbmcgcGxhdGZvcm0gaW5mb3JtYXRpb24g dG8gbWFuYWdlIG9yIGludm9rZQo+IG5vbi1hcmNoaXRlY3R1cmFsIGNhY2hlLwo+ICAgVExCIGxv Y2tkb3duIG1lY2hhbmlzbXMuCj4gCj4gRG9lcyB0aGlzIGltcGx5IHRoYXQgc3lzdGVtIGxldmVs IGNhY2hlcyBzaG91bGQgbm90IGJlIGVuYWJsZWQ/CgpBcmd1YWJseSB5ZXMsIGJ1dCBvbiBhIHRl Y2huaWNhbGl0eSBubywgYmVjYXVzZSBpdCdzIHBvc3NpYmxlIHRvIGZsdXNoCnRoZW0gYnkgVkEg KGFsYmVpdCBleHRyZW1lbHkgc2xvd2x5KS4KCj4gVUVGSSBhbHNvIHNwZWNpZmllcyB1bmktcHJv Y2Vzc29yLCBzbyB3ZSBkb24ndCBoYXZlIHRvIHdvcnJ5IGFib3V0Cj4gb3RoZXIgY29yZXMnIGNh Y2hlcy4KCk9rLgoKPiBUaGUgc3BlYyBkb2VzIG5vdCBtZW50aW9uIHRoZSBkZXRhaWxzIG9mIG1l bW9yeSBhdHRyaWJ1dGVzIC0gRURLMiBjdXJyZW50bHkgbWFwcwo+IG1lbW9yeSBhcyBub24tc2hh cmVkLCBhdHRyaWJ1dGVzIDB4RkYuCgpPay4KCj4gPj4gPgo+ID4+ID4gICAgU28gd2hpbGUgd2Un cmUgaW4gdGhlIGJvb3Rsb2FkZXIsIGFueSBzeXN0ZW0gbGV2ZWwgY2FjaGVzIGNhbiBoYXZlCj4g Pj4gPiAgICBlbnRyaWVzIGFsbG9jYXRlZCB0byBpdCwgYW5kIGFzIHRob3NlIGFyZW4ndCBhcmNo aXRlY3RlZCB0aGUgb25seQo+ID4+ID4gICAgdGhpbmcgd2UgY2FuIGRvIGlzIGZsdXNoIHRob3Nl IGJ5IFZBIGZvciB0aGUgcG9ydGlvbnMgd2UgY2FyZSBhYm91dC4KPiAKPiBNYXliZSB0aGUgZmly bXdhcmUgaXMgJ3dyb25nJyB0byBlbmFibGUgdGhlc2UgY2FjaGVzPwoKSXQgaXMgY2VydGFpbmx5 IGFyZ3VhYmxlLgoKPiBBcmUgd2UgZ3VhcmFudGVlZCB0aGF0IHRoZXNlIGNhY2hlcyBjYW4gYmUg ZGlzYWJsZWQgb24gYWxsCj4gaW1wbGVtZW50YXRpb25zPwoKSSBiZWxpZXZlIG9uIHNvbWUgaW1w bGVtZW50YXRpb25zIHRoZSBub24tc2VjdXJlIHNpZGUgd2lsbCBub3QgaGF2ZQphY2Nlc3MgdG8g dGhlIGNvbnRyb2wgcmVnaXN0ZXJzLiBCZXlvbmQgdGhhdCBJIGRvbid0IGtub3cuCgo+IFVwZGF0 aW5nL2NsYXJpZnlpbmcgdGhlIHNwZWMgdG8gaGF2ZSB0aGVzZSBkaXNhYmxlZCBjb3VsZCBzaW1w bGlmeSB0aGUKPiBwcm9ibGVtIGEgYml0LgoKUG9zc2libHksIHllcy4gSSdtIG5vdCBzdXJlIHdo YXQgd2UnZCBjbGFyaWZ5IGl0IHRvIHNheSwgaG93ZXZlci4KCj4gPj4gPiBTbyB3ZSBjYW4gaGF2 ZSAiaW5pdGlhbGx5IGNvbnNpc3RlbnQiLCBidXQgdGhhdCBtaWdodCBub3QgYmUgdXNlZnVsLgo+ ID4+Cj4gPj4gSHJtLCB5ZXMsIHJhdGhlciB1bmZvcnR1bmF0ZS4KPiA+Pgo+ID4+ID4KPiA+PiA+ ID4gPiBUaGVyZSBhcmUgYSB0b25uZSBvZiBzdWJ0bGV0aWVzIGhlcmUsIGFuZCBjZXJ0YWluIHBy b3BlcnRpZXMgd2Ugd291bGQKPiA+PiA+ID4gPiBsaWtlIChlLmcuIGEgY29tcGxldGVseSBjbGVh biBjYWNoZSBoaWVyYXJjaHkgdXBvbiBlbnRyeSB0byB0aGUgT1MpCj4gPj4gPiA+ID4gYXJlbid0 IG5lY2Vzc2FyaWx5IHBvc3NpYmxlIHRvIHByb3ZpZGUgaW4gZ2VuZXJhbCAodGhhbmtzIHRvIHRo ZSB3b25kZXJzCj4gPj4gPiA+ID4gb2Ygbm9uLWFyY2hpdGVjdGVkIHN5c3RlbSBsZXZlbCBjYWNo ZXMsIGludGVyYWN0aW9uIHdpdGggYm9vdGxvYWRlcnMsCj4gPj4gPiA+ID4gZXRjKS4KPiA+PiA+ ID4KPiA+PiA+ID4gSSBzdXBwb3NlIGl0IGlzIGVhc2llciBmb3IgdGhlIFVFRkkgaW1wbGVtZW50 YXRpb24sIHNpbmNlIGl0IGtub3dzIHRoZQo+ID4+ID4gPiBwbGF0Zm9ybSBpdCBydW5zIG9uIGFu ZCB0aGVyZSBrbm93cyBhYm91dCB0aGUgY2FjaGVzLiBIYXJkZXIgZm9yIHRoZQo+ID4+ID4gPiBz dHViIHRob3VnaCA6LS8KPiA+PiA+Cj4gPj4gPiBZZWFoLiBTeXN0ZW0tbGV2ZWwgY2FjaGVzIGlu dGVyYWN0IGJhZGx5IHdpdGggcHJldHR5IG11Y2ggYW55IHNjZW5hcmlvCj4gPj4gPiB3aGVyZSBv d25lcnNoaXAgb2YgdGhlIE1NVSBpcyB0cmFuc2ZlcnJlZCAoVUVGSSBib290LCBrZXhlYyksIGFu ZCB0aGVyZQo+ID4+ID4gZG9lc24ndCBzZWVtIHRvIGJlIGEgc2luZ2xlIGFnZW50IHRoYXQgY2Fu IGJlIGNoYXJnZWQgd2l0aCBvd25lcnNoaXAgb2YKPiA+PiA+IG1haW50ZW5hbmNlLgo+ID4+ID4K PiA+PiA+IFRoaXMgaXMgc29tZXRoaW5nIEkndmUgYmVlbiBtZWFuaW5nIHRvIHJldmlzaXQsIGJ1 dCBpdCB0YWtlcyBhIHdoaWxlIHRvCj4gPj4gPiBnZXQgYmFjayB1cCB0byBzcGVlZCBvbiB0aGUg bWludXRpYWUgb2YgdGhlIGNhY2hlIGFyY2hpdGVjdHVyZSBhbmQgdGhlCj4gPj4gPiBydWxlcyBm b3IgbWVtb3J5IGF0dHJpYnV0ZXMsIGFuZCBJIGhhdmVuJ3QgaGFkIHRoZSB0aW1lIHJlY2VudGx5 Lgo+ID4+ID4KPiA+PiA+IFdlIGRvIGhhdmUgYSB2ZXJ5IGhlYXZ5IGhhbW1lciB0aGF0IHdlIGtu b3cgd2lsbCB3b3JrOiBmbHVzaGluZyB0aGUKPiA+PiA+IG1lbW9yeSBieSBQQSBpbiB0aGUgc3R1 YiBvbmNlIHRoZSBNTVUgYW5kIGNhY2hlcyBhcmUgZGlzYWJsZWQuIEEKPiA+PiA+IGJhY2stb2Yt dGhlLWVudmVsb3BlIGNhbGN1bGF0aW9uIHNob3dzIHRoYXQgY291bGQgdGFrZSBtaW51dGVzIHRv IGlzc3VlCj4gPj4gPiBvbiBhIHNlcnZlciBtYWNoaW5lIChzYXkgMkdIeiwgd2l0aCAxNkdCIG9m IFJBTSksIHNvIHRoYXQncyB2ZXJ5IG11Y2ggYQo+ID4+ID4gbGFzdCByZXNvcnQuCj4gPj4KPiA+ PiBPdWNoLi4uCj4gPgo+ID4gTG9va2luZyBhdCB0aGF0IGFnYWluLCBJIHdhcyBvZmYgYnkgYW4g b3JkZXIgb2YgMTAwMCwgYW5kIHRoYXQgYWN0dWFsbHkKPiA+IGNvbWVzIHRvIGFib3V0IDAuMTMg c2Vjb25kcyAodGhvdWdoIHNvbGVseSBmb3IgQ01PIGlzc3VlKS4gU28gdGhhdCBtaWdodAo+ID4g bm90IGJlIGFzIGJsdW50IGFzIEkgbWFkZSBpdCBvdXQgdG8gYmUsIGJ1dCBpdCdzIHN0aWxsIG5v dCBncmVhdCBhcwo+ID4gcGxhdGZvcm1zIGdldCBsYXJnZXIuCj4gCj4gSSB0aGluayB3ZSBzaG91 bGQgYmUgYWJsZSB0byBsaW1pdCB0aGUgbWVtb3J5IHdlIG5lZWQgdG8gZmx1c2gsIGFzCj4gdGhl cmUgc2hvdWxkIGJlIG5vCj4gbmVlZCB0byBmbHVzaCB0aGUgZnJlZSBtZW1vcnksIGp1c3Qgd2hh dCBpcyBpbiB1c2UuICBJIHRoaW5rIHRoYXQgZ29vZAo+IHBvcnRpb25zLCBpZiBub3QgYWxsIG9m IHRoYXQKPiBjb3VsZCBiZSBmbHVzaGVkIGZyb20gdGhlIEMgY29kZSB3aXRoIGNhY2hlcyBlbmFi bGVkLCBhcyB3ZSBrbm93IHRoZXkgd29uJ3QgYmUKPiBtb2RpZmllZCBhZnRlciB0aGF0IHBvaW50 IChGRFQsIGluaXRyZCwgZXRjLikgIFdlIGNhbiBkbyB0aGlzIGluIEMKPiBjb2RlIGFmdGVyIGNh bGxpbmcKPiBFeGl0Qm9vdFNlcnZpY2VzKCksIGFuZCBpbW1lZGlhdGVseSBiZWZvcmUgY2FsbGlu ZyB0aGUgWGVuIGVudHJ5IHBvaW50Cj4gZWZpX3hlbl9zdGFydCgpLgo+IFRoZXJlIGFyZSBubyBF RkkgY2FsbHMgaW4gdGhpcyBwYXRoIGJldHdlZW4gdGhlIGxhc3QgYml0IG9mIEMgY29kZSBhbmQK PiB0aGUgZGlzYWJsaW5nCj4gb2YgY2FjaGVzIGFuZCBNTVUsIHNvIEkgdGhpbmsgd2Ugc2hvdWxk IGJlIGFibGUgdG8gaWRlbnRpZnkgaWYKPiBhbnl0aGluZyB3b3VsZCBuZWVkCj4gdG8gYmUgZmx1 c2hlZCBpbiB0aGUgQVNNIGNvZGUgd2l0aCBjYWNoZXMgb2ZmLgoKSSBhZ3JlZSB0aGUgdmFzdCBt YWpvcml0eSBvZiB0aGlzIG1haW50ZW5hbmNlIGNvdWxkIGJlIGRvbmUgYnkgQyBjb2RlLgoKVGhl cmUgbWlnaHQgYmUgYSBuZWVkIHRvIGZsdXNoIHRoYXQgZnJlZSBtZW1vcnksIGRlcGVuZGluZyBv biBob3cgaXQgaXMKbWFwcGVkLCB1bmxlc3MgeW91IGFyZSBwcm9wb3NpbmcgYSBsYXp5IGZsdXNo LWJlZm9yZS11c2Ugc3RyYXRlZ3kuCgo+ID4+ID4gV2UgY291bGQgdHJ5IHRvIG1hbmFnZSB0aGUg c3lzdGVtIGNhY2hlcyBleHBsaWNpdGx5LCBidXQgdGhlbiB3ZSBuZWVkCj4gPj4gPiBjb2RlIHRv IGRvIHNvIHZlcnkgZWFybHksIHdlIG5lZWQgdG8gaGF2ZSB0aGVtIGRlc2NyaWJlZCBpbiB0aGUK PiA+PiA+IGFwcHJvcHJpYXRlIGZpcm13YXJlIHRhYmxlcywgYW5kIHRoZXkgbmVlZCB0byBiZSBt YW5hZ2VhYmxlIGZyb20gdGhlCj4gPj4gPiBub24tc2VjdXJlIHNpZGUgKHdoaWNoIEkgYmVsaWV2 ZSBpcyBub3QgYWx3YXlzIHRoZSBjYXNlKS4gVGhhdCBzb21ld2hhdAo+ID4+ID4gZGVmZWF0IHRo ZSBwb3J0YWJpbGl0eSBhc3BlY3Qgb2YgYm9vdGluZyBhcyBhbiBFRkkgYXBwbGljYXRpb24uCj4g Pj4gPgo+ID4+ID4gU28geWVzLCBpdCdzIGhhcmRlciBmb3IgdGhlIHN0dWIgOgo+ID4+Cj4gPj4g SW5kZWVkLgo+ID4+Cj4gPj4gUHJvYmFibHkgdGhpcyBpc24ndCBldmVuIGNsb3NlIHRvIHRoZSBj b3JyZWN0IHZlbnVlLiBJJ20gbm90IHN1cmUgd2hlcmUKPiA+PiBiZXR0ZXIgdG8gdHJhbnNmZXIg aXQgdGhvdWdoLiBPbmUgb2YgdGhlIExpbmFybyBsaXN0cyBwZXJoYXBzPwo+ID4KPiA+IEknbSBu b3QgcmVhbGx5IHN1cmUgd2hlcmUgdGhlIHJpZ2h0IHBsYWNlIGlzLiBUaGVyZSBhcmUgcXVpdGUg YSBmZXcKPiA+IHBhcnRpZXMgd2hvIGhhdmUgYW4gaW50ZXJlc3QgaW4gdGhpcyBwcm9ibGVtICh3 aGV0aGVyIHRoZXkgcmVhbGlzZSBpdCBvcgo+ID4gbm90KS4gSXQgd291bGQgYmUgbmljZSB0byBm aWd1cmUgb3V0IG1vcmUgcHJlY2lzZWx5IHdoYXQncyBoYXBwZW5pbmcKPiA+IGhlcmUgZmlyc3Qs IGFueWhvdy4KPiA+Cj4gPiBNYXJrLgo+IAo+IEdsYWQgSSdtIG5vdCB0aGUgb25seSBvbmUgY29u ZnVzZWQgOikgIEdldHRpbmcgYmFjayB0byB0aGUgcHJhY3RpY2FsCj4gc2lkZSBvZiB0aGlzLAo+ IEknbSB0aGlua2luZyBJIChvciBTdXJhdmVlKSBzaG91bGQgdXBkYXRlIHRoZSBwYXRjaCB0byBh ZGQgdGhlCj4gZmx1c2hpbmcgb2YgdGhlIEZEVCwKPiBhcyB0aGlzIGlzIHJlcXVpcmVkIGZvciBi b290aW5nIHdpdGggdGhlIGNoYW5nZSB0byBmbHVzaF9kY2FjaGVfYXJlYSgpLCBldmVuIGlmCj4g dGhlIGV4YWN0IG1lY2hhbmlzbSBpc24ndCB1bmRlcnN0b29kLiAgVGhpcyBnZXRzIHVzIGEgbW9y ZSBjb3JyZWN0IGFuZCB3b3JraW5nCj4gaW1wbGVtZW50YXRpb24sIGJ1dCBub3QgYSBmaW5hbC9y b2J1c3QgaW1wbGVtZW50YXRpb24uCgpPbiBhIHByYWN0aWNhbCBmcm9udCwgeWVzLgoKSXQgd291 bGQgYmUgbmljZSB0byBrbm93IGlmIHRoZSBhdHRyaWJ1dGVzIGFyZSBhY3R1YWxseSB0aGUgcHJv YmxlbS4KSXMgaXQgcG9zc2libGUgdG8gYnVpbGQgYSBVUCBYZW4gd2hpY2ggbWFwcyBtZW1vcnkg YXMgVUVGSSBkb2VzIChpLmUuCm5vbi1zaGFyZWFibGUpPyBPciBpcyB0aGF0IHByb2JsZW1hdGlj PwoKVGhhbmtzLApNYXJrLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpo dHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK