From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Loic PALLARDY Subject: RE: [PATCH v2 05/16] remoteproc: modify rproc_handle_carveout to support preallocated region Date: Tue, 23 Oct 2018 19:09:36 +0000 Message-ID: <717bc0509ad54c4e8a9f601b8220edc2@SFHDAG7NODE2.st.com> References: <1512060411-729-1-git-send-email-loic.pallardy@st.com> <1512060411-729-6-git-send-email-loic.pallardy@st.com> <20171214005917.GG17344@builder> <0bbc0455b6ee45cdb0ebab04117b6a40@SFHDAG7NODE2.st.com> <9ced2a8b-916e-9447-4be7-6316385ade0a@ti.com> In-Reply-To: <9ced2a8b-916e-9447-4be7-6316385ade0a@ti.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 To: Suman Anna , Bjorn Andersson Cc: "ohad@wizery.com" , "linux-remoteproc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Arnaud POULIQUEN , "benjamin.gaignard@linaro.org" List-ID: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogU3VtYW4gQW5uYSA8cy1h bm5hQHRpLmNvbT4NCj4gU2VudDogbWFyZGkgMjMgb2N0b2JyZSAyMDE4IDE5OjQwDQo+IFRvOiBM b2ljIFBBTExBUkRZIDxsb2ljLnBhbGxhcmR5QHN0LmNvbT47IEJqb3JuIEFuZGVyc3Nvbg0KPiA8 Ympvcm4uYW5kZXJzc29uQGxpbmFyby5vcmc+DQo+IENjOiBvaGFkQHdpemVyeS5jb207IGxpbnV4 LXJlbW90ZXByb2NAdmdlci5rZXJuZWwub3JnOyBsaW51eC0NCj4ga2VybmVsQHZnZXIua2VybmVs Lm9yZzsgQXJuYXVkIFBPVUxJUVVFTiA8YXJuYXVkLnBvdWxpcXVlbkBzdC5jb20+Ow0KPiBiZW5q YW1pbi5nYWlnbmFyZEBsaW5hcm8ub3JnDQo+IFN1YmplY3Q6IFJlOiBbUEFUQ0ggdjIgMDUvMTZd IHJlbW90ZXByb2M6IG1vZGlmeSBycHJvY19oYW5kbGVfY2FydmVvdXQgdG8NCj4gc3VwcG9ydCBw cmVhbGxvY2F0ZWQgcmVnaW9uDQo+IA0KPiA+Pg0KPiA+PiBPbiBUaHUgMzAgTm92IDA4OjQ2IFBT VCAyMDE3LCBMb2ljIFBhbGxhcmR5IHdyb3RlOg0KPiA+Pg0KPiA+Pj4gSW4gY3VycmVudCB2ZXJz aW9uIHJwcm9jX2hhbmRsZV9jYXJ2ZW91dCBmdW5jdGlvbiBzdXBwb3J0IG9ubHkgZHluYW1pYw0K PiA+Pj4gcmVnaW9uIGFsbG9jYXRpb24uDQo+ID4+PiBUaGlzIHBhdGNoIGV4dGVuZHMgcnByb2Nf aGFuZGxlX2NhcnZlb3V0IGZ1bmN0aW9uIHRvIHN1cHBvcnQgZGlmZmVyZW50DQo+ID4+IGNhcnZl b3V0DQo+ID4+PiBjb25maWd1cmF0aW9uczoNCj4gPj4+IC0gZml4ZWQgREEgYW5kIGZpeGVkIFBB OiBjaGVjayBpZiBhbHJlYWR5IHBhcnQgb2YgcHJlLXJlZ2lzdGVyZWQgY2FydmVvdXRzDQo+ID4+ PiAocGxhdGZvcm0gZHJpdmVyKS4gSWYgbm8sIHJldHVybiBlcnJvci4NCj4gPj4+IC0gZml4ZWQg REEgYW5kIGFueSBQQTogY2hlY2sgaWYgYWxyZWFkeSBwYXJ0IG9mIHByZS1hbGxvY2F0ZWQgY2Fy dmVvdXRzDQo+ID4+PiAocGxhdGZvcm0gZHJpdmVyKS4gSWYgbm90IGZvdW5kIGFuZCBycHJvYyBz dXBwb3J0cyBpb21tdSwgY29udGludWUgd2l0aA0KPiA+Pj4gZHluYW1pYyBhbGxvY2F0aW9uIChE QSB3aWxsIGJlIHVzZWQgZm9yIGlvbW11IHByb2dyYW1taW5nKSwgZWxzZQ0KPiByZXR1cm4NCj4g Pj4+IGVycm9yIGFzIG5vIHdheSB0byBmb3JjZSBEQS4NCj4gPj4+IC0gYW55IERBIGFuZCBhbnkg UEE6IHVzZSBvcmlnaW5hbCBkeW5hbWljIGFsbG9jYXRpb24NCj4gPj4+DQo+ID4+PiBTaWduZWQt b2ZmLWJ5OiBMb2ljIFBhbGxhcmR5IDxsb2ljLnBhbGxhcmR5QHN0LmNvbT4NCj4gPj4+IC0tLQ0K PiA+Pj4gIGRyaXZlcnMvcmVtb3RlcHJvYy9yZW1vdGVwcm9jX2NvcmUuYyB8IDQwDQo+ID4+ICsr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKw0KPiA+Pj4gIDEgZmlsZSBjaGFuZ2Vk LCA0MCBpbnNlcnRpb25zKCspDQo+ID4+Pg0KPiA+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvcmVt b3RlcHJvYy9yZW1vdGVwcm9jX2NvcmUuYw0KPiA+PiBiL2RyaXZlcnMvcmVtb3RlcHJvYy9yZW1v dGVwcm9jX2NvcmUuYw0KPiA+Pj4gaW5kZXggNzg1MjVkMS4uNTE1YTE3YSAxMDA2NDQNCj4gPj4+ IC0tLSBhL2RyaXZlcnMvcmVtb3RlcHJvYy9yZW1vdGVwcm9jX2NvcmUuYw0KPiA+Pj4gKysrIGIv ZHJpdmVycy9yZW1vdGVwcm9jL3JlbW90ZXByb2NfY29yZS5jDQo+ID4+PiBAQCAtMTg0LDYgKzE4 NCwxMCBAQCB2b2lkICpycHJvY19kYV90b192YShzdHJ1Y3QgcnByb2MgKnJwcm9jLCB1NjQNCj4g ZGEsDQo+ID4+IGludCBsZW4pDQo+ID4+PiAgCXN0cnVjdCBycHJvY19tZW1fZW50cnkgKmNhcnZl b3V0Ow0KPiA+Pj4gIAl2b2lkICpwdHIgPSBOVUxMOw0KPiA+Pj4NCj4gPj4+ICsJLyoNCj4gPj4+ ICsJICogZGFfdG9fdmEgcGxhdGZvcm0gZHJpdmVyIGlzIGRlcHJlY2F0ZWQuIERyaXZlciBzaG91 bGQgcmVnaXN0ZXINCj4gPj4+ICsJICogY2FydmVvdXQgdGhhbmtzIHRvIHJwcm9jX2FkZF9jYXJ2 ZW91dCBmdW5jdGlvbg0KPiA+Pj4gKwkgKi8NCj4gPj4NCj4gPj4gSSB0aGluayB0aGlzIGNvbW1l bnQgaXMgdW5yZWxhdGVkIHRvIHRoZSByZXN0IG9mIHRoaXMgcGF0Y2guIEkgYWxzbw0KPiA+PiB0 aGluayB0aGF0IGF0IHRoZSBlbmQgb2YgdGhlIGNhcnZlb3V0LXJld29yayB3ZSBzaG91bGQgaGF2 ZSBhIHBhdGNoDQo+ID4+IHJlbW92aW5nIHRoaXMgb3BzLg0KPiA+DQo+ID4gSSdsbCByZW1vdmUg dGhpcyBjb21tZW50IGFuZCBhZGQgYSBkYV90b192YSBjbGVhbi11cCBwYXRjaCBhdCB0aGUgZW5k IG9mDQo+IHRoZSBzZXJpZXMNCj4gDQo+IGRhX3RvX3ZhIHBsYXRmb3JtIG9wcyBpcyBhY3R1YWxs eSB1c2VkIHRvIHByb3ZpZGUgdGhlIHJlbW90ZXByb2MNCj4gaW50ZXJuYWwgbWVtb3J5IHRyYW5z bGF0aW9ucyBmb3IgdGhlIG1vc3QgcGFydCwgbm90IHJlc3RyaWN0ZWQganVzdCB0bw0KPiBmaXhl ZCBjYXJ2ZW91dHMuIEFsc28sIHR5cGljYWxseSB0aGVzZSBkbyBoYXZlIG11bHRpcGxlIGFkZHJl c3Mtdmlld3MgLQ0KPiBvbmUgdGhlIHJlZ3VsYXIgYnVzLWFkZHJlc3MgdmlldywgYW5kIGFub3Ro ZXIgYSByZW1vdGUgcHJvY2Vzc29yIGFkZHJlc3MNCj4gdmlldy4NCg0KZGFfdG9fdmEgb3Agc2lz IHN0aWxsIHRoZXJlLiBJIHdhcyBwcm9wb3NpbmcgdG8gcmVtb3ZlIHRoaXMgb3BzIGFzIHdlIHdl cmUgZGlzY3Vzc2luZyB0byByZWdpc3RlciBhbGwgY2FydmVvdXRzIGFjY2Vzc2VkIGJ5IGNvcHJv Y2Vzc29yIGluIHJwcm9jIGNvcmUgY2FydmVvdXQgbGlzdC4NClRoaXMgd2lsbCBhbGxvdyB0byBj ZW50cmFsaXplIGFsbCBjYXJ2ZW91dCBkZWZpbml0aW9ucyBhbmQgdG8gc2VlIGFsbCBtZW1vcnkg cmVzb3VyY2VzIHZpZXdlZCBieSBjb3Byb2Nlc3NvciAodmEsIHBhIGFuZCBkYSkgdmlhIGRlYnVn ZnMuLi4NCg0KUmVnYXJkcywNCkxvaWMNCj4gDQo+IHJlZ2FyZHMNCj4gU3VtYW4NCj4gDQo+ID4N Cj4gPj4NCj4gPj4+ICAJaWYgKHJwcm9jLT5vcHMtPmRhX3RvX3ZhKSB7DQo+ID4+PiAgCQlwdHIg PSBycHJvYy0+b3BzLT5kYV90b192YShycHJvYywgZGEsIGxlbik7DQo+ID4+PiAgCQlpZiAocHRy KQ0KPiA+Pj4gQEAgLTY3Nyw2ICs2ODEsNyBAQCBzdGF0aWMgaW50IHJwcm9jX2hhbmRsZV9jYXJ2 ZW91dChzdHJ1Y3QgcnByb2MNCj4gPj4gKnJwcm9jLA0KPiA+Pj4gIAlzdHJ1Y3QgcnByb2NfbWVt X2VudHJ5ICpjYXJ2ZW91dCwgKm1hcHBpbmc7DQo+ID4+PiAgCXN0cnVjdCBkZXZpY2UgKmRldiA9 ICZycHJvYy0+ZGV2Ow0KPiA+Pj4gIAlkbWFfYWRkcl90IGRtYTsNCj4gPj4+ICsJcGh5c19hZGRy X3QgcGE7DQo+ID4+PiAgCXZvaWQgKnZhOw0KPiA+Pj4gIAlpbnQgcmV0Ow0KPiA+Pj4NCj4gPj4+ IEBAIC02OTgsNiArNzAzLDQxIEBAIHN0YXRpYyBpbnQgcnByb2NfaGFuZGxlX2NhcnZlb3V0KHN0 cnVjdCBycHJvYw0KPiA+PiAqcnByb2MsDQo+ID4+PiAgCWlmICghY2FydmVvdXQpDQo+ID4+PiAg CQlyZXR1cm4gLUVOT01FTTsNCj4gPj4+DQo+ID4+PiArCS8qIENoZWNrIGNhcnZlb3V0IHJzYyBh bHJlYWR5IHBhcnQgb2YgYSByZWdpc3RlcmVkIGNhcnZlb3V0ICovDQo+ID4+PiArCWlmIChyc2Mt PmRhICE9IEZXX1JTQ19BRERSX0FOWSkgew0KPiA+Pg0KPiA+PiBBcyBtZW50aW9uZWQgYmVmb3Jl LCBJIGNvbnNpZGVyIGl0IHBlcmZlY3RseSB2aWFibGUgZm9yIHJzYy0+ZGEgdG8gYmUNCj4gPj4g QU5ZIGFuZCB0aGUgZHJpdmVyIHByb3ZpZGluZyBhIGZpeGVkIGNhcnZlb3V0Lg0KPiA+DQo+ID4g WWVzIEknbGwgY2hhbmdlIHNlcXVlbmNlIHRvIGxvb2t1cCBieSBuYW1lIGZpcnN0IGFuZCB0aGVu IHZlcmlmeSBleGFjdA0KPiBwYXJhbWV0ZXJzIG1hdGNoaW5nICwgbm90IG9ubHkgZGEgZGVmaW5p dGlvbi4NCj4gPg0KPiA+Pg0KPiA+Pj4gKwkJdmEgPSBycHJvY19maW5kX2NhcnZlb3V0X2J5X2Rh KHJwcm9jLCByc2MtPmRhLCByc2MtPmxlbik7DQo+ID4+PiArDQo+ID4+PiArCQlpZiAodmEpIHsN Cj4gPj4NCj4gPj4gSW4gYSBzeXN0ZW0gd2l0aCBhbiBpb21tdSBpdCdzIHBvc3NpYmxlIHRoYXQg cnNjLT5sZW4gaXMgbGFyZ2VyIHRoYW4NCj4gPj4gc29tZSBjYXJ2ZW91dC0+bGVuIGFuZCB2YSBp cyBOVUxMIGhlcmUgc28gd2UgZmFsbCB0aHJvdWdoLCBhbGxvY2F0ZSBzb21lDQo+ID4+IG1lbW9y eSBhbmQgcmVtYXAgYSBzZWdtZW50IG9mIHRoZSBjYXJ2ZW91dC4gKE9yIGhvcGVmdWxseSBmYWls cw0KPiA+PiBhdHRlbXB0aW5nKS4NCj4gPj4NCj4gPj4+ICsJCQkvKiBSZWdpc3RlcmVkIHJlZ2lv biBmb3VuZCAqLw0KPiA+Pj4gKwkJCXBhID0gcnByb2NfdmFfdG9fcGEodmEpOw0KPiA+Pj4gKwkJ CWlmIChyc2MtPnBhICE9IEZXX1JTQ19BRERSX0FOWSAmJiByc2MtPnBhICE9DQo+ID4+ICh1MzIp cGEpIHsNCj4gPj4+ICsJCQkJLyogQ2FydmVvdXQgZG9lc24ndCBtYXRjaCByZXF1ZXN0ICovDQo+ ID4+PiArCQkJCWRldl9lcnIoZGV2LT5wYXJlbnQsDQo+ID4+PiArCQkJCQkiRmFpbGVkIHRvIGZp bmQgY2FydmVvdXQgZml0dGluZyBkYSBhbmQNCj4gPj4gcGFcbiIpOw0KPiA+Pj4gKwkJCQlyZXR1 cm4gLUVOT01FTTsNCj4gPj4+ICsJCQl9DQo+ID4+PiArDQo+ID4+PiArCQkJLyogVXBkYXRlIHJz YyB0YWJsZSB3aXRoIHBoeXNpY2FsIGFkZHJlc3MgKi8NCj4gPj4+ICsJCQlyc2MtPnBhID0gKHUz MilwYTsNCj4gPj4+ICsNCj4gPj4+ICsJCQkvKiBVcGRhdGUgY2FydmVvdXRzIGxpc3QgKi8NCj4g Pj4+ICsJCQljYXJ2ZW91dC0+dmEgPSB2YTsNCj4gPj4+ICsJCQljYXJ2ZW91dC0+bGVuID0gcnNj LT5sZW47DQo+ID4+PiArCQkJY2FydmVvdXQtPmRhID0gcnNjLT5kYTsNCj4gPj4+ICsJCQljYXJ2 ZW91dC0+cHJpdiA9ICh2b2lkICopQ0FSVkVPVVRfUlNDOw0KPiA+Pj4gKw0KPiA+Pj4gKwkJCWxp c3RfYWRkX3RhaWwoJmNhcnZlb3V0LT5ub2RlLCAmcnByb2MtPmNhcnZlb3V0cyk7DQo+ID4+DQo+ ID4+IHJwcm9jX2ZpbmRfY2FydmVvdXRfYnlfZGEoKSB3aWxsIHJldHVybiBhIHJlZmVyZW5jZSBp bnRvIGEgY2FydmVvdXQsIG5vdw0KPiA+PiB3ZSBhZGQgYW5vdGhlciBvdmVybGFwcGluZyBjYXJ2 ZW91dCBpbnRvIHRoZSBzYW1lIGxpc3QuDQo+ID4+DQo+ID4+DQo+ID4+IEkgdGhpbmsgaXQgd291 bGQgYmUgc2FuZXIgdG8gbm90IGFsbG93IHRoZSByZXNvdXJjZSB0YWJsZSB0byBkZXNjcmliZQ0K PiA+PiBzdWJzZXRzIG9mIGNhcnZlb3V0cyByZWdpc3RlcmVkIGJ5IHRoZSBkcml2ZXIuDQo+ID4+ DQo+ID4+IEluIHdoaWNoIGNhc2UgdGhpcyB3b3VsZCBiZXR0ZXIgZmluZCBhIGNhcnZlb3V0IGJ5 IG5hbWUgb3IgZXhhY3QgZGEsDQo+ID4+IHRoZW4gY2hlY2sgdGhhdCB0aGUgcGEsIGRhLCBsZW4g YW5kIHJzYy0+ZmxhZ3MgYXJlIGFkZXF1YXRlLg0KPiA+DQo+ID4gQWdyZWUNCj4gPiAvTG9pYw0K PiA+Pg0KPiA+Pj4gKw0KPiA+Pj4gKwkJCXJldHVybiAwOw0KPiA+Pj4gKwkJfQ0KPiA+Pj4gKw0K PiA+Pj4gKwkJaWYgKCFycHJvYy0+ZG9tYWluKSB7DQo+ID4+DQo+ID4+IEN1cnJlbnRseSB0aGlz IGZ1bmN0aW9uIGlnbm9yZSBpbnZhbGlkIHZhbHVlcyBvZiBkYSB3aGVuICFkb21haW4sIHNvIEkN Cj4gPj4gdGhpbmsgaXQgd291bGQgYmUgZ29vZCB5b3UgY2FuIHN1Ym1pdCB0aGlzIHNhbml0eSBj aGVjayBpbiBpdCdzIG93bg0KPiA+PiBwYXRjaCBzbyB0aGF0IGFueW9uZSBiaXNlY3RpbmcgdGhp cyB3b3VsZCBrbm93IHdoeSB0aGVpciBicm9rZW4NCj4gZmlybXdhcmUNCj4gPj4gc3VkZGVubHkg aXNuJ3QgbG9hZGFibGUuDQo+ID4+DQo+ID4+PiArCQkJZGV2X2VycihkZXYtPnBhcmVudCwNCj4g Pj4+ICsJCQkJIkJhZCBjYXJ2ZW91dCByc2MgY29uZmlndXJhdGlvblxuIik7DQo+ID4+PiArCQkJ cmV0dXJuIC1FTk9NRU07DQo+ID4+PiArCQl9DQo+ID4+PiArCX0NCj4gPj4+ICsNCj4gPj4NCj4g Pj4gUmVnYXJkcywNCj4gPj4gQmpvcm4NCj4gPiAtLQ0KPiA+IFRvIHVuc3Vic2NyaWJlIGZyb20g dGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC1yZW1vdGVwcm9jIg0K PiBpbg0KPiA+IHRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwu b3JnDQo+ID4gTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9t YWpvcmRvbW8taW5mby5odG1sDQo+ID4NCg0K