From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 09/11] dma-buf: Restart reservation_object_test_signaled_rcu() after writes Date: Fri, 23 Sep 2016 15:43:34 +0200 Message-ID: <20160923134334.GK3988@dvetter-linux.ger.corp.intel.com> References: <20160829070834.22296-1-chris@chris-wilson.co.uk> <20160829070834.22296-9-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-lf0-x242.google.com (mail-lf0-x242.google.com [IPv6:2a00:1450:4010:c07::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id AF1866E04C for ; Fri, 23 Sep 2016 13:43:38 +0000 (UTC) Received: by mail-lf0-x242.google.com with SMTP id l131so5732362lfl.0 for ; Fri, 23 Sep 2016 06:43:38 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20160829070834.22296-9-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Chris Wilson Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , linux-media@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBBdWcgMjksIDIwMTYgYXQgMDg6MDg6MzJBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IEluIG9yZGVyIHRvIGJlIGNvbXBsZXRlbHkgZ2VuZXJpYywgd2UgaGF2ZSB0byBkb3Vi bGUgY2hlY2sgdGhlIHJlYWQKPiBzZXFsb2NrIGFmdGVyIGFjcXVpcmluZyBhIHJlZmVyZW5jZSB0 byB0aGUgZmVuY2UuIElmIHRoZSBkcml2ZXIgaXMKPiBhbGxvY2F0aW5nIGZlbmNlcyBmcm9tIGEg U0xBQl9ERVNUUk9ZX0JZX1JDVSwgb3Igc2ltaWxhciBmcmVlbGlzdCwgdGhlbgo+IHdpdGhpbiBh biBSQ1UgZ3JhY2UgcGVyaW9kIGEgZmVuY2UgbWF5IGJlIGZyZWVkIGFuZCByZWFsbG9jYXRlZC4g VGhlIFJDVQo+IHJlYWQgc2lkZSBjcml0aWNhbCBzZWN0aW9uIGRvZXMgbm90IHByZXZlbnQgdGhp cyByZWFsbG9jYXRpb24sIGluc3RlYWQKPiB3ZSBoYXZlIHRvIGluc3BlY3QgdGhlIHJlc2VydmF0 aW9uJ3Mgc2VxbG9jayB0byBkb3VibGUgY2hlY2sgaWYgdGhlCj4gZmVuY2VzIGhhdmUgYmVlbiBy ZWFzc2lnbmVkIGFzIHdlIHdlcmUgYWNxdWlyaW5nIG91ciByZWZlcmVuY2UuCj4gCj4gU2lnbmVk LW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IERh bmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gQ2M6IE1hYXJ0ZW4gTGFua2hv cnN0IDxtYWFydGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IENocmlzdGlhbiBL w7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KPiBDYzogQWxleCBEZXVjaGVyIDxhbGV4 YW5kZXIuZGV1Y2hlckBhbWQuY29tPgo+IENjOiBTdW1pdCBTZW13YWwgPHN1bWl0LnNlbXdhbEBs aW5hcm8ub3JnPgo+IENjOiBsaW51eC1tZWRpYUB2Z2VyLmtlcm5lbC5vcmcKPiBDYzogZHJpLWRl dmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IENjOiBsaW5hcm8tbW0tc2lnQGxpc3RzLmxpbmFy by5vcmcKClJldmlld2VkLWJ5OiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNo PgoKPiAtLS0KPiAgZHJpdmVycy9kbWEtYnVmL3Jlc2VydmF0aW9uLmMgfCAzMCArKysrKysrKysr LS0tLS0tLS0tLS0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyks IDIwIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS1idWYvcmVzZXJ2 YXRpb24uYyBiL2RyaXZlcnMvZG1hLWJ1Zi9yZXNlcnZhdGlvbi5jCj4gaW5kZXggMzM2OWU0NjY4 ZTk2Li5lNzQ0OTNlNzMzMmIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9kbWEtYnVmL3Jlc2VydmF0 aW9uLmMKPiArKysgYi9kcml2ZXJzL2RtYS1idWYvcmVzZXJ2YXRpb24uYwo+IEBAIC00NzQsMTIg KzQ3NCwxMyBAQCBib29sIHJlc2VydmF0aW9uX29iamVjdF90ZXN0X3NpZ25hbGVkX3JjdShzdHJ1 Y3QgcmVzZXJ2YXRpb25fb2JqZWN0ICpvYmosCj4gIAkJCQkJICBib29sIHRlc3RfYWxsKQo+ICB7 Cj4gIAl1bnNpZ25lZCBzZXEsIHNoYXJlZF9jb3VudDsKPiAtCWludCByZXQgPSB0cnVlOwo+ICsJ aW50IHJldDsKPiAgCj4gKwlyY3VfcmVhZF9sb2NrKCk7Cj4gIHJldHJ5Ogo+ICsJcmV0ID0gdHJ1 ZTsKPiAgCXNoYXJlZF9jb3VudCA9IDA7Cj4gIAlzZXEgPSByZWFkX3NlcWNvdW50X2JlZ2luKCZv YmotPnNlcSk7Cj4gLQlyY3VfcmVhZF9sb2NrKCk7Cj4gIAo+ICAJaWYgKHRlc3RfYWxsKSB7Cj4g IAkJdW5zaWduZWQgaTsKPiBAQCAtNDkwLDQ2ICs0OTEsMzUgQEAgcmV0cnk6Cj4gIAkJaWYgKGZv YmopCj4gIAkJCXNoYXJlZF9jb3VudCA9IGZvYmotPnNoYXJlZF9jb3VudDsKPiAgCj4gLQkJaWYg KHJlYWRfc2VxY291bnRfcmV0cnkoJm9iai0+c2VxLCBzZXEpKQo+IC0JCQlnb3RvIHVubG9ja19y ZXRyeTsKPiAtCj4gIAkJZm9yIChpID0gMDsgaSA8IHNoYXJlZF9jb3VudDsgKytpKSB7Cj4gIAkJ CXN0cnVjdCBmZW5jZSAqZmVuY2UgPSByY3VfZGVyZWZlcmVuY2UoZm9iai0+c2hhcmVkW2ldKTsK PiAgCj4gIAkJCXJldCA9IHJlc2VydmF0aW9uX29iamVjdF90ZXN0X3NpZ25hbGVkX3NpbmdsZShm ZW5jZSk7Cj4gIAkJCWlmIChyZXQgPCAwKQo+IC0JCQkJZ290byB1bmxvY2tfcmV0cnk7Cj4gKwkJ CQlnb3RvIHJldHJ5Owo+ICAJCQllbHNlIGlmICghcmV0KQo+ICAJCQkJYnJlYWs7Cj4gIAkJfQo+ ICAKPiAtCQkvKgo+IC0JCSAqIFRoZXJlIGNvdWxkIGJlIGEgcmVhZF9zZXFjb3VudF9yZXRyeSBo ZXJlLCBidXQgbm90aGluZyBjYXJlcwo+IC0JCSAqIGFib3V0IHdoZXRoZXIgaXQncyB0aGUgb2xk IG9yIG5ld2VyIGZlbmNlIHBvaW50ZXJzIHRoYXQgYXJlCj4gLQkJICogc2lnbmFsZWQuIFRoYXQg cmFjZSBjb3VsZCBzdGlsbCBoYXZlIGhhcHBlbmVkIGFmdGVyIGNoZWNraW5nCj4gLQkJICogcmVh ZF9zZXFjb3VudF9yZXRyeS4gSWYgeW91IGNhcmUsIHVzZSB3d19tdXRleF9sb2NrLgo+IC0JCSAq Lwo+ICsJCWlmIChyZWFkX3NlcWNvdW50X3JldHJ5KCZvYmotPnNlcSwgc2VxKSkKPiArCQkJZ290 byByZXRyeTsKPiAgCX0KPiAgCj4gIAlpZiAoIXNoYXJlZF9jb3VudCkgewo+ICAJCXN0cnVjdCBm ZW5jZSAqZmVuY2VfZXhjbCA9IHJjdV9kZXJlZmVyZW5jZShvYmotPmZlbmNlX2V4Y2wpOwo+ICAK PiAtCQlpZiAocmVhZF9zZXFjb3VudF9yZXRyeSgmb2JqLT5zZXEsIHNlcSkpCj4gLQkJCWdvdG8g dW5sb2NrX3JldHJ5Owo+IC0KPiAgCQlpZiAoZmVuY2VfZXhjbCkgewo+ICAJCQlyZXQgPSByZXNl cnZhdGlvbl9vYmplY3RfdGVzdF9zaWduYWxlZF9zaW5nbGUoCj4gIAkJCQkJCQkJZmVuY2VfZXhj bCk7Cj4gIAkJCWlmIChyZXQgPCAwKQo+IC0JCQkJZ290byB1bmxvY2tfcmV0cnk7Cj4gKwkJCQln b3RvIHJldHJ5Owo+ICsKPiArCQkJaWYgKHJlYWRfc2VxY291bnRfcmV0cnkoJm9iai0+c2VxLCBz ZXEpKQo+ICsJCQkJZ290byByZXRyeTsKPiAgCQl9Cj4gIAl9Cj4gIAo+ICAJcmN1X3JlYWRfdW5s b2NrKCk7Cj4gIAlyZXR1cm4gcmV0Owo+IC0KPiAtdW5sb2NrX3JldHJ5Ogo+IC0JcmN1X3JlYWRf dW5sb2NrKCk7Cj4gLQlnb3RvIHJldHJ5Owo+ICB9Cj4gIEVYUE9SVF9TWU1CT0xfR1BMKHJlc2Vy dmF0aW9uX29iamVjdF90ZXN0X3NpZ25hbGVkX3JjdSk7Cj4gLS0gCj4gMi45LjMKPiAKCi0tIApE YW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8v YmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2 ZWwK