From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 08/10] drm/i915: Move the irq_counter inside the spinlock Date: Wed, 17 Jan 2018 12:12:04 +0000 Message-ID: <7766d39f-e066-1ada-1e27-189646672d34@linux.intel.com> References: <20180115212455.24046-1-chris@chris-wilson.co.uk> <20180115212455.24046-9-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1219E6E419 for ; Wed, 17 Jan 2018 12:12:07 +0000 (UTC) In-Reply-To: <20180115212455.24046-9-chris@chris-wilson.co.uk> Content-Language: en-GB 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 Ck9uIDE1LzAxLzIwMTggMjE6MjQsIENocmlzIFdpbHNvbiB3cm90ZToKPiBSYXRoZXIgdGhhbiBo YXZlIG11bHRpcGxlIGxvY2tlZCBpbnN0cnVjdGlvbnMgaW5zaWRlIHRoZSBub3RpZnlfcmluZygp Cj4gaXJxIGhhbmRsZXIsIG1vdmUgdGhlbSBpbnNpZGUgdGhlIHNwaW5sb2NrIGFuZCByZWR1Y2Ug dGhlaXIgaW50cmluc2ljCj4gbG9ja2luZy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxz b24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtX3JlcXVlc3QuYyAgfCAgNCArKy0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2lycS5jICAgICAgICAgIHwgIDYgKysrLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9icmVhZGNydW1icy5jIHwgMTMgKysrKysrKystLS0tLQo+ICAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oICB8ICAyICstCj4gICA0IGZpbGVzIGNoYW5nZWQs IDE0IGluc2VydGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbV9yZXF1ZXN0LmMKPiBpbmRleCA4MzZkYjkwZWY4MWIuLjA4YmJkNTYyNzdlNSAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMKPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9yZXF1ZXN0LmMKPiBAQCAtMTEyOCw3 ICsxMTI4LDcgQEAgc3RhdGljIGJvb2wgX19pOTE1X3NwaW5fcmVxdWVzdChjb25zdCBzdHJ1Y3Qg ZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSwKPiAgIAkgKiB0YWtlcyB0byBzbGVlcCBvbiBhIHJl cXVlc3QsIG9uIHRoZSBvcmRlciBvZiBhIG1pY3Jvc2Vjb25kLgo+ICAgCSAqLwo+ICAgCj4gLQlp cnEgPSBhdG9taWNfcmVhZCgmZW5naW5lLT5pcnFfY291bnQpOwo+ICsJaXJxID0gUkVBRF9PTkNF KGVuZ2luZS0+YnJlYWRjcnVtYnMuaXJxX2NvdW50KTsKPiAgIAl0aW1lb3V0X3VzICs9IGxvY2Fs X2Nsb2NrX3VzKCZjcHUpOwo+ICAgCWRvIHsKPiAgIAkJaWYgKGk5MTVfc2Vxbm9fcGFzc2VkKGlu dGVsX2VuZ2luZV9nZXRfc2Vxbm8oZW5naW5lKSwgc2Vxbm8pKQo+IEBAIC0xMTM5LDcgKzExMzks NyBAQCBzdGF0aWMgYm9vbCBfX2k5MTVfc3Bpbl9yZXF1ZXN0KGNvbnN0IHN0cnVjdCBkcm1faTkx NV9nZW1fcmVxdWVzdCAqcmVxLAo+ICAgCQkgKiBhc3N1bWUgd2Ugd29uJ3Qgc2VlIG9uZSBpbiB0 aGUgbmVhciBmdXR1cmUgYnV0IHJlcXVpcmUKPiAgIAkJICogdGhlIGVuZ2luZS0+c2Vxbm9fYmFy cmllcigpIHRvIGZpeHVwIGNvaGVyZW5jeS4KPiAgIAkJICovCj4gLQkJaWYgKGF0b21pY19yZWFk KCZlbmdpbmUtPmlycV9jb3VudCkgIT0gaXJxKQo+ICsJCWlmIChSRUFEX09OQ0UoZW5naW5lLT5i cmVhZGNydW1icy5pcnFfY291bnQpICE9IGlycSkKPiAgIAkJCWJyZWFrOwo+ICAgCj4gICAJCWlm IChzaWduYWxfcGVuZGluZ19zdGF0ZShzdGF0ZSwgY3VycmVudCkpCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2lycS5jCj4gaW5kZXggMGIyNzI1MDFiNzM4Li5lNWY3NmQ1ODAwMTAgMTAwNjQ0Cj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfaXJxLmMKPiBAQCAtMTA3Myw5ICsxMDczLDYgQEAgc3RhdGljIHZvaWQgbm90aWZ5 X3Jpbmcoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQo+ICAgCWlmICh1bmxpa2VseSgh ZW5naW5lLT5icmVhZGNydW1icy5pcnFfYXJtZWQpKQo+ICAgCQlyZXR1cm47Cj4gICAKPiAtCWF0 b21pY19pbmMoJmVuZ2luZS0+aXJxX2NvdW50KTsKPiAtCXNldF9iaXQoRU5HSU5FX0lSUV9CUkVB RENSVU1CLCAmZW5naW5lLT5pcnFfcG9zdGVkKTsKPiAtCj4gICAJcmN1X3JlYWRfbG9jaygpOwo+ ICAgCj4gICAJc3Bpbl9sb2NrKCZlbmdpbmUtPmJyZWFkY3J1bWJzLmlycV9sb2NrKTsKPiBAQCAt MTEwNyw2ICsxMTA0LDkgQEAgc3RhdGljIHZvaWQgbm90aWZ5X3Jpbmcoc3RydWN0IGludGVsX2Vu Z2luZV9jcyAqZW5naW5lKQo+ICAgCQkJICAgIGk5MTVfc2Vxbm9fcGFzc2VkKHNlcW5vLCB3YWl0 LT5zZXFubyAtIDEpKQo+ICAgCQkJCXRzayA9IHdhaXQtPnRzazsKPiAgIAkJfQo+ICsKPiArCQll bmdpbmUtPmJyZWFkY3J1bWJzLmlycV9jb3VudCsrOwo+ICsJCV9fc2V0X2JpdChFTkdJTkVfSVJR X0JSRUFEQ1JVTUIsICZlbmdpbmUtPmlycV9wb3N0ZWQpOwoKSSdtIG5lcnZvdXMgYWJvdXQgbW92 aW5nIHRoZSBFTkdJTkVfSVJRX0JSRUFEQ1JVTUIgc2V0dGluZyB0byBiZSAKY29uZGl0aW9uYWwu IF9faTkxNV9yZXF1ZXN0X2lycV9jb21wbGV0ZSBkb2N1bWVudHMgdGhlIG9yZGVyaW5nIG9mIHRo ZXNlIAp0aGluZ3MgaXMgY3J1Y2lhbCBzbyBJIHdvcnJ5IHdlIGRvbid0IG1pc3MgYSB3YWtldXAu IE9uY2UgYml0dGVuIHR3aWNlIApzaHk/IERvbid0IGtub3cuLgoKaXJxX2NvdW50IGNoYW5nZSBs b29rcyBzYWZlLCBzbyBjYW4gSSwgb25jZSBhZ2Fpbiwgc3VnZ2VzdCB0byBzcGxpdCBpbnRvIAp0 d28gcGF0Y2hlcz8gOi8KClJlZ2FyZHMsCgpUdnJ0a28KCj4gICAJfSBlbHNlIHsKPiAgIAkJaWYg KGVuZ2luZS0+YnJlYWRjcnVtYnMuaXJxX2FybWVkKQo+ICAgCQkJX19pbnRlbF9lbmdpbmVfZGlz YXJtX2JyZWFkY3J1bWJzKGVuZ2luZSk7Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2JyZWFkY3J1bWJzLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9icmVh ZGNydW1icy5jCj4gaW5kZXggZTM2NjdkYzFlOTZkLi43YzgyY2ZlMjM5MjIgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYnJlYWRjcnVtYnMuYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2JyZWFkY3J1bWJzLmMKPiBAQCAtOTgsMTIgKzk4LDE0IEBA IHN0YXRpYyB2b2lkIGludGVsX2JyZWFkY3J1bWJzX2hhbmdjaGVjayhzdHJ1Y3QgdGltZXJfbGlz dCAqdCkKPiAgIAlzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUgPQo+ICAgCQlmcm9tX3Rp bWVyKGVuZ2luZSwgdCwgYnJlYWRjcnVtYnMuaGFuZ2NoZWNrKTsKPiAgIAlzdHJ1Y3QgaW50ZWxf YnJlYWRjcnVtYnMgKmIgPSAmZW5naW5lLT5icmVhZGNydW1iczsKPiArCXVuc2lnbmVkIGludCBp cnFfY291bnQ7Cj4gICAKPiAgIAlpZiAoIWItPmlycV9hcm1lZCkKPiAgIAkJcmV0dXJuOwo+ICAg Cj4gLQlpZiAoYi0+aGFuZ2NoZWNrX2ludGVycnVwdHMgIT0gYXRvbWljX3JlYWQoJmVuZ2luZS0+ aXJxX2NvdW50KSkgewo+IC0JCWItPmhhbmdjaGVja19pbnRlcnJ1cHRzID0gYXRvbWljX3JlYWQo JmVuZ2luZS0+aXJxX2NvdW50KTsKPiArCWlycV9jb3VudCA9IFJFQURfT05DRShiLT5pcnFfY291 bnQpOwo+ICsJaWYgKGItPmhhbmdjaGVja19pbnRlcnJ1cHRzICE9IGlycV9jb3VudCkgewo+ICsJ CWItPmhhbmdjaGVja19pbnRlcnJ1cHRzID0gaXJxX2NvdW50Owo+ICAgCQltb2RfdGltZXIoJmIt PmhhbmdjaGVjaywgd2FpdF90aW1lb3V0KCkpOwo+ICAgCQlyZXR1cm47Cj4gICAJfQo+IEBAIC0x NzYsNyArMTc4LDcgQEAgc3RhdGljIHZvaWQgaXJxX2VuYWJsZShzdHJ1Y3QgaW50ZWxfZW5naW5l X2NzICplbmdpbmUpCj4gICAJICogd2Ugc3RpbGwgbmVlZCB0byBmb3JjZSB0aGUgYmFycmllciBi ZWZvcmUgcmVhZGluZyB0aGUgc2Vxbm8sCj4gICAJICoganVzdCBpbiBjYXNlLgo+ICAgCSAqLwo+ IC0Jc2V0X2JpdChFTkdJTkVfSVJRX0JSRUFEQ1JVTUIsICZlbmdpbmUtPmlycV9wb3N0ZWQpOwo+ ICsJX19zZXRfYml0KEVOR0lORV9JUlFfQlJFQURDUlVNQiwgJmVuZ2luZS0+aXJxX3Bvc3RlZCk7 Cj4gICAKPiAgIAkvKiBDYWxsZXIgZGlzYWJsZXMgaW50ZXJydXB0cyAqLwo+ICAgCXNwaW5fbG9j aygmZW5naW5lLT5pOTE1LT5pcnFfbG9jayk7Cj4gQEAgLTI3MCwxMyArMjcyLDE0IEBAIHN0YXRp YyBib29sIHVzZV9mYWtlX2lycShjb25zdCBzdHJ1Y3QgaW50ZWxfYnJlYWRjcnVtYnMgKmIpCj4g ICAJaWYgKCF0ZXN0X2JpdChlbmdpbmUtPmlkLCAmZW5naW5lLT5pOTE1LT5ncHVfZXJyb3IubWlz c2VkX2lycV9yaW5ncykpCj4gICAJCXJldHVybiBmYWxzZTsKPiAgIAo+IC0JLyogT25seSBzdGFy dCB3aXRoIHRoZSBoZWF2eSB3ZWlnaHQgZmFrZSBpcnEgdGltZXIgaWYgd2UgaGF2ZSBub3QKPiAr CS8qCj4gKwkgKiBPbmx5IHN0YXJ0IHdpdGggdGhlIGhlYXZ5IHdlaWdodCBmYWtlIGlycSB0aW1l ciBpZiB3ZSBoYXZlIG5vdAo+ICAgCSAqIHNlZW4gYW55IGludGVycnVwdHMgc2luY2UgZW5hYmxp bmcgaXQgdGhlIGZpcnN0IHRpbWUuIElmIHRoZQo+ICAgCSAqIGludGVycnVwdHMgYXJlIHN0aWxs IGFycml2aW5nLCBpdCBtZWFucyB3ZSBtYWRlIGEgbWlzdGFrZSBpbiBvdXIKPiAgIAkgKiBlbmdp bmUtPnNlcW5vX2JhcnJpZXIoKSwgYSB0aW1pbmcgZXJyb3IgdGhhdCBzaG91bGQgYmUgdHJhbnNp ZW50Cj4gICAJICogYW5kIHVubGlrZWx5IHRvIHJlb2NjdXIuCj4gICAJICovCj4gLQlyZXR1cm4g YXRvbWljX3JlYWQoJmVuZ2luZS0+aXJxX2NvdW50KSA9PSBiLT5oYW5nY2hlY2tfaW50ZXJydXB0 czsKPiArCXJldHVybiBSRUFEX09OQ0UoYi0+aXJxX2NvdW50KSA9PSBiLT5oYW5nY2hlY2tfaW50 ZXJydXB0czsKPiAgIH0KPiAgIAo+ICAgc3RhdGljIHZvaWQgZW5hYmxlX2Zha2VfaXJxKHN0cnVj dCBpbnRlbF9icmVhZGNydW1icyAqYikKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcmluZ2J1ZmZlci5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1 ZmZlci5oCj4gaW5kZXggYzVmZjIwM2U0MmQ2Li5mNDA2ZDBmZjQ2MTIgMTAwNjQ0Cj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5oCj4gQEAgLTMwNSw3ICszMDUsNiBAQCBzdHJ1 Y3QgaW50ZWxfZW5naW5lX2NzIHsKPiAgIAo+ICAgCXN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0 ICpkZWZhdWx0X3N0YXRlOwo+ICAgCj4gLQlhdG9taWNfdCBpcnFfY291bnQ7Cj4gICAJdW5zaWdu ZWQgbG9uZyBpcnFfcG9zdGVkOwo+ICAgI2RlZmluZSBFTkdJTkVfSVJRX0JSRUFEQ1JVTUIgMAo+ ICAgI2RlZmluZSBFTkdJTkVfSVJRX0VYRUNMSVNUIDEKPiBAQCAtMzQwLDYgKzMzOSw3IEBAIHN0 cnVjdCBpbnRlbF9lbmdpbmVfY3Mgewo+ICAgCj4gICAJCXVuc2lnbmVkIGludCBoYW5nY2hlY2tf aW50ZXJydXB0czsKPiAgIAkJdW5zaWduZWQgaW50IGlycV9lbmFibGVkOwo+ICsJCXVuc2lnbmVk IGludCBpcnFfY291bnQ7Cj4gICAKPiAgIAkJYm9vbCBpcnFfYXJtZWQgOiAxOwo+ICAgCQlJOTE1 X1NFTEZURVNUX0RFQ0xBUkUoYm9vbCBtb2NrIDogMSk7Cj4gCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=