From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Enforce TYPESAFE_BY_RCU vs refcount mb on reinitialisation Date: Mon, 06 Aug 2018 14:12:15 +0300 Message-ID: <87y3djeokw.fsf@gaia.fi.intel.com> References: <20180804095236.24584-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 612936E290 for ; Mon, 6 Aug 2018 11:13:37 +0000 (UTC) In-Reply-To: <20180804095236.24584-1-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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gQnkgdXNp bmcgVFlQRVNBRkVfQllfUkNVLCB3ZSBhY2NlcHQgdGhhdCByZXF1ZXN0cyBtYXkgYmUgc3dhcHBl ZCBvdXQgZnJvbQo+IHVuZGVybmVhdGggdXMsIGV2ZW4gd2hlbiB1c2luZyByY3VfcmVhZF9sb2Nr KCkuIFdlIHVzZSBhIHN0cm9uZyBiYXJyaWVyCj4gb24gYWNxdWlyaW5nIHRoZSByZWZjb3VudCBk dXJpbmcgbG9va3VwLCBidXQgdGhpcyBuZWVkcyB0byBiZSBwYWlyZWQKPiB3aXRoIGEgYmFycmll ciBvbiByZS1pbml0aWFsaXNpbmcgaXQuIEN1cnJlbnRseSB3ZSBjYWxsIGRtYV9mZW5jZV9pbml0 LAo+IHdoaWNoIHVsdGltYXRlbHkgZG9lcyBhIHBsYWluIGF0b21pY19zZXQoMSkgb24gdGhlIHJl ZmNvdW50LCBub3QKPiBwcm92aWRpbmcgYW55IG1lbW9yeSBiYXJyaWVycy4gQXMgd2UgaW5zcGVj dCBzb21lIHN0YXRlIGJlZm9yZSBldmVuCj4gYWNxdWlyaW5nIHRoZSByZWZjb3VudCBpbiB0aGUg bG9va3VwIChieSBhcmd1aW5nIHRoYXQgd2UgY2FuIGRldGVjdAo+IGluY29uc2lzdGVudCByZXF1 ZXN0cyksIHRoYXQgc3RhdGUgc2hvdWxkIGJlIGluaXRpYWxpc2VkIGJlZm9yZSB0aGUKPiByZWZj b3VudC4KPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlcXVlc3QuYyB8IDcg KysrKysrKwo+ICAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZXF1ZXN0LmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X3JlcXVlc3QuYwo+IGluZGV4IDVjMmM5M2NiYWIxMi4uMDRhMGI4ZTc1NTMzIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVxdWVzdC5jCj4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZXF1ZXN0LmMKPiBAQCAtNzY4LDYgKzc2OCwxMyBA QCBpOTE1X3JlcXVlc3RfYWxsb2Moc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lLCBzdHJ1 Y3QgaTkxNV9nZW1fY29udGV4dCAqY3R4KQo+ICAJcnEtPnRpbWVsaW5lID0gY2UtPnJpbmctPnRp bWVsaW5lOwo+ICAJR0VNX0JVR19PTihycS0+dGltZWxpbmUgPT0gJmVuZ2luZS0+dGltZWxpbmUp Owo+ICAKPiArCS8qCj4gKwkgKiBJbiBvcmRlciB0byBjb29yZGluYXRlIHdpdGggb3VyIFJDVSBs b29rdXAsCj4gKwkgKiBfX2k5MTVfZ2VtX2FjdGl2ZV9nZXRfcmN1KCksIHdlIG5lZWQgdG8gZW5z dXJlIHRoYXQgdGhlIGNoYW5nZQo+ICsJICogdG8gcnEtPmVuZ2luZSBpcyB2aXNpYmxlIGJlZm9y ZSBhY3F1cmluZyB0aGUgcmVmY291bnQgaW4gdGhlIGxvb2t1cC4KPiArCSAqLwo+ICsJc21wX3dt YigpOwo+ICsKClRoZXJlIGlzIHF1aXRlIGEgbG90IGdvaW5nIG9uIGhlcmUgYXMgd2UgdHJ5IHRv IGdldCBhIHJlZmVyZW5jZQppbnRvIGEgc2hhcGVzaGlmdGluZyByZXF1ZXN0LgoKQnkgbG9va2lu ZyBhdCB0aGUgY29kZSBhY3F1aXJpbmcgaXQsIGRtYV9mZW5jZV9nZXRfcmN1CmFuZCBkbWFfZmVu Y2VfaW5pdCBhbmQgdGhlbiB0aGUgcHJlY2hlY2sgb2YgdGhlIHJlcXVlc3QsCnNob3VsZCBtZW1v cnkgYmFycmllciBiZToKCnNtYl9tYl9iZWZvcmVfYXRvbWljKCk/CgpBZG1pdHRlZGx5IHRoYXQg d291bGQgYmUgdWdsaWVyIGFzIGZlbmNlX2luaXQgaGlkZXMgdGhlIGF0b21pY19zZXQsCmJ1dCBp dCBpcyBhdG9taWMgb24gd2UgYXJlIHNlcmlhbGl6aW5nLiBFc3BlY2lhbGx5CmFzIHRoZXJlIGlz IG5vIGF0b21pYyBpbiBjYWxsc2lnaHQuCgpGdXJ0aGVyLCBhcyBlbmdpbmUgYW5kIHRoZSBrcmVm IGFyZSB0aWdodGx5IGJvdW5kLApzaG91bGQgd2UgaW5pdGlhbGl6ZSBldmVyeXRoaW5nIG5vdCBy ZWxhdGVkIGZpcnN0LCB0aGVuCmRvIGVuZ2luZSBpbml0LCB3bWIsIGZlbmNlIGluaXQgaW4gYSB0 aWdodCBwcm94aW1pdHk/CgpUaGFua3MsCi1NaWthCgo+ICAJc3Bpbl9sb2NrX2luaXQoJnJxLT5s b2NrKTsKPiAgCWRtYV9mZW5jZV9pbml0KCZycS0+ZmVuY2UsCj4gIAkJICAgICAgICZpOTE1X2Zl bmNlX29wcywKPiAtLSAKPiAyLjE4LjAKPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK