From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH 3/3] snd/hda: Protect concurrent display_power_status with a mutex Date: Mon, 14 Jan 2019 18:46:57 +0100 Message-ID: References: <20190114173753.472-1-chris@chris-wilson.co.uk> <20190114173753.472-3-chris@chris-wilson.co.uk> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190114173753.472-3-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: Jani Nikula , intel-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org T24gTW9uLCAxNCBKYW4gMjAxOSAxODozNzo1MyArMDEwMCwKQ2hyaXMgV2lsc29uIHdyb3RlOgo+ IAo+IEp1c3QgaW4gY2FzZSB0aGUgYXVkaW8gbGlua2FnZSBpcyBzd2FwcGVkIGJldHdlZW4gY29t cG9uZW50cyBkdXJpbmcgdGhlCj4gcnVudGltZSBwbSBzZXF1ZW5jZSwgd2UgbmVlZCB0byBwcm90 ZWN0IHRoZSBycG0gdHJhY2tpbmcgd2l0aCBhIG11dGV4LgoKSXQncyBub3QgY2xlYXIgdG8gbWUg aG93IGRvZXMgdGhpcyBoYXBwZW5zLgpDb3VsZCB5b3UgZWxhYm9yYXRlIGEgYml0IG1vcmUgdGhl IHNjZW5hcmlvPwoKCnRoYW5rcywKClRha2FzaGkKCj4gCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMg V2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IFRha2FzaGkgSXdhaSA8dGl3 YWlAc3VzZS5kZT4KPiBDYzogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KPiAt LS0KPiAgaW5jbHVkZS9zb3VuZC9oZGF1ZGlvLmggICAgfCAxICsKPiAgc291bmQvaGRhL2hkYWNf Y29tcG9uZW50LmMgfCA3ICsrKysrKysKPiAgMiBmaWxlcyBjaGFuZ2VkLCA4IGluc2VydGlvbnMo KykKPiAKPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9zb3VuZC9oZGF1ZGlvLmggYi9pbmNsdWRlL3Nv dW5kL2hkYXVkaW8uaAo+IGluZGV4IDM5NzYxMTIwZWU3Ni4uNDk3MzM1YjI0ZTE4IDEwMDY0NAo+ IC0tLSBhL2luY2x1ZGUvc291bmQvaGRhdWRpby5oCj4gKysrIGIvaW5jbHVkZS9zb3VuZC9oZGF1 ZGlvLmgKPiBAQCAtMzY4LDYgKzM2OCw3IEBAIHN0cnVjdCBoZGFjX2J1cyB7Cj4gIAlzdHJ1Y3Qg ZHJtX2F1ZGlvX2NvbXBvbmVudCAqYXVkaW9fY29tcG9uZW50Owo+ICAJdW5zaWduZWQgbG9uZyBk aXNwbGF5X3Bvd2VyX3N0YXR1czsKPiAgCXVuc2lnbmVkIGxvbmcgZGlzcGxheV9wb3dlcl9hY3Rp dmU7Cj4gKwlzdHJ1Y3QgbXV0ZXggZGlzcGxheV9wb3dlcl9sb2NrOwo+ICAKPiAgCS8qIHBhcmFt ZXRlcnMgcmVxdWlyZWQgZm9yIGVuaGFuY2VkIGNhcGFiaWxpdGllcyAqLwo+ICAJaW50IG51bV9z dHJlYW1zOwo+IGRpZmYgLS1naXQgYS9zb3VuZC9oZGEvaGRhY19jb21wb25lbnQuYyBiL3NvdW5k L2hkYS9oZGFjX2NvbXBvbmVudC5jCj4gaW5kZXggMjcwMjU0OGI3ODhhLi5lYTc2YzFkZTI5Mjcg MTAwNjQ0Cj4gLS0tIGEvc291bmQvaGRhL2hkYWNfY29tcG9uZW50LmMKPiArKysgYi9zb3VuZC9o ZGEvaGRhY19jb21wb25lbnQuYwo+IEBAIC03Nyw2ICs3Nyw3IEBAIHZvaWQgc25kX2hkYWNfZGlz cGxheV9wb3dlcihzdHJ1Y3QgaGRhY19idXMgKmJ1cywgdW5zaWduZWQgaW50IGlkeCwgYm9vbCBl bmFibGUpCj4gIAlpZiAoIWFjb21wIHx8ICFhY29tcC0+b3BzKQo+ICAJCXJldHVybjsKPiAgCj4g KwltdXRleF9sb2NrKCZidXMtPmRpc3BsYXlfcG93ZXJfbG9jayk7Cj4gIAlpZiAoYnVzLT5kaXNw bGF5X3Bvd2VyX3N0YXR1cykgewo+ICAJCWlmICghYnVzLT5kaXNwbGF5X3Bvd2VyX2FjdGl2ZSkg ewo+ICAJCQl1bnNpZ25lZCBsb25nIGNvb2tpZSA9IC0xOwo+IEBAIC05OCw2ICs5OSw3IEBAIHZv aWQgc25kX2hkYWNfZGlzcGxheV9wb3dlcihzdHJ1Y3QgaGRhY19idXMgKmJ1cywgdW5zaWduZWQg aW50IGlkeCwgYm9vbCBlbmFibGUpCj4gIAkJCWJ1cy0+ZGlzcGxheV9wb3dlcl9hY3RpdmUgPSAw Owo+ICAJCX0KPiAgCX0KPiArCW11dGV4X3VubG9jaygmYnVzLT5kaXNwbGF5X3Bvd2VyX2xvY2sp Owo+ICB9Cj4gIEVYUE9SVF9TWU1CT0xfR1BMKHNuZF9oZGFjX2Rpc3BsYXlfcG93ZXIpOwo+ICAK PiBAQCAtMjkwLDYgKzI5Miw5IEBAIGludCBzbmRfaGRhY19hY29tcF9pbml0KHN0cnVjdCBoZGFj X2J1cyAqYnVzLAo+ICAJCQkgICAgIEdGUF9LRVJORUwpOwo+ICAJaWYgKCFhY29tcCkKPiAgCQly ZXR1cm4gLUVOT01FTTsKPiArCj4gKwltdXRleF9pbml0KCZidXMtPmRpc3BsYXlfcG93ZXJfbG9j ayk7Cj4gKwo+ICAJYWNvbXAtPmF1ZGlvX29wcyA9IGFvcHM7Cj4gIAlidXMtPmF1ZGlvX2NvbXBv bmVudCA9IGFjb21wOwo+ICAJZGV2cmVzX2FkZChkZXYsIGFjb21wKTsKPiBAQCAtMzM2LDYgKzM0 MSw4IEBAIGludCBzbmRfaGRhY19hY29tcF9leGl0KHN0cnVjdCBoZGFjX2J1cyAqYnVzKQo+ICAJ YnVzLT5kaXNwbGF5X3Bvd2VyX2FjdGl2ZSA9IDA7Cj4gIAlidXMtPmRpc3BsYXlfcG93ZXJfc3Rh dHVzID0gMDsKPiAgCj4gKwltdXRleF9kZXN0cm95KCZidXMtPmRpc3BsYXlfcG93ZXJfbG9jayk7 Cj4gKwo+ICAJY29tcG9uZW50X21hc3Rlcl9kZWwoZGV2LCAmaGRhY19jb21wb25lbnRfbWFzdGVy X29wcyk7Cj4gIAo+ICAJYnVzLT5hdWRpb19jb21wb25lbnQgPSBOVUxMOwo+IC0tIAo+IDIuMjAu MQo+IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK