From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maarten Lankhorst Subject: Re: [PATCH] drm/syncobj: Avoid kmalloc(GFP_KERNEL) under spinlock Date: Fri, 26 Oct 2018 13:49:34 +0200 Message-ID: References: <20181026062027.12179-1-david1.zhou@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181026062027.12179-1-david1.zhou@amd.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chunming Zhou , dri-devel@lists.freedesktop.org Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= , Julia Lawall , intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T3AgMjYtMTAtMTggb20gMDg6MjAgc2NocmVlZiBDaHVubWluZyBaaG91Ogo+IGRyaXZlcnMvZ3B1 L2RybS9kcm1fc3luY29iai5jOjIwMjo0LTE0OiBFUlJPUjogZnVuY3Rpb24gZHJtX3N5bmNvYmpf ZmluZF9zaWduYWxfcHRfZm9yX3BvaW50IGNhbGxlZCBvbiBsaW5lIDM5MCBpbnNpZGUgbG9jayBv biBsaW5lIDM4OSBidXQgdXNlcyBHRlBfS0VSTkVMCj4KPiAgIEZpbmQgZnVuY3Rpb25zIHRoYXQg cmVmZXIgdG8gR0ZQX0tFUk5FTCBidXQgYXJlIGNhbGxlZCB3aXRoIGxvY2tzIGhlbGQuCj4KPiBH ZW5lcmF0ZWQgYnk6IHNjcmlwdHMvY29jY2luZWxsZS9sb2Nrcy9jYWxsX2tlcm4uY29jY2kKPgo+ IHYyOgo+IHN5bmNvYmotPnRpbWVsaW5lIHN0aWxsIG5lZWRzIHByb3RlY3QuCj4KPiB2MzoKPiB1 c2UgYSBnbG9iYWwgc2lnbmFsZWQgZmVuY2UgaW5zdGVhZCBvZiByZS1hbGxvY2F0aW9uLgo+Cj4g djQ6Cj4gRG9uJ3QgbmVlZCBtb3ZpbmcgbG9jay4KPiBEb24ndCBleHBvc2UgZnVuYy4KPgo+IHY1 Ogo+IHJlbmFtZSBmdW5jIGFuZCBkaXJlY3RseSByZXR1cm4uCj4KPiBUZXN0ZWQgYnk6IHN5bmNv Ympfd2FpdCBhbmQgLi9kZXFwLXZrIC1uIGRFUVAtVksuKnNlbWFwaG9yZSogd2l0aAo+IGxvY2sg ZGVidWcga2VybmVsIG9wdGlvbnMgZW5hYmxlZC4KPgo+IFNpZ25lZC1vZmYtYnk6IENodW5taW5n IFpob3UgPGRhdmlkMS56aG91QGFtZC5jb20+Cj4gQ2M6IE1hYXJ0ZW4gTGFua2hvcnN0IDxtYWFy dGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IGludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKPiBDYzogQ2hyaXN0aWFuIEvDtm5pZyA8ZWFzeTJyZW1lbWJlci5jaGtAZ29v Z2xlbWFpbC5jb20+Cj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVr Pgo+IENDOiBKdWxpYSBMYXdhbGwgPGp1bGlhLmxhd2FsbEBsaXA2LmZyPgo+IFJldmlld2VkLWJ5 OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiAtLS0KPiAgZHJpdmVy cy9ncHUvZHJtL2RybV9zeW5jb2JqLmMgfCAzNiArKysrKysrKysrKysrKysrKystLS0tLS0tLS0t LS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgMTcgZGVsZXRpb25z KC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2JqLmMgYi9kcml2 ZXJzL2dwdS9kcm0vZHJtX3N5bmNvYmouYwo+IGluZGV4IGI3ZWFhNjAzZjM2OC4uZDFjNmYyMWM3 MmI1IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fc3luY29iai5jCj4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2JqLmMKPiBAQCAtODAsNiArODAsMjMgQEAgc3RydWN0 IGRybV9zeW5jb2JqX3NpZ25hbF9wdCB7Cj4gIAlzdHJ1Y3QgbGlzdF9oZWFkIGxpc3Q7Cj4gIH07 Cj4gIAo+ICtzdGF0aWMgREVGSU5FX1NQSU5MT0NLKHNpZ25hbGVkX2ZlbmNlX2xvY2spOwo+ICtz dGF0aWMgc3RydWN0IGRtYV9mZW5jZSBzaWduYWxlZF9mZW5jZTsKPiArCj4gK3N0YXRpYyBzdHJ1 Y3QgZG1hX2ZlbmNlICpkcm1fc3luY29ial9nZXRfc3R1Yl9mZW5jZSh2b2lkKQo+ICt7Cj4gKwlz cGluX2xvY2soJnNpZ25hbGVkX2ZlbmNlX2xvY2spOwo+ICsJaWYgKCFzaWduYWxlZF9mZW5jZS5v cHMpIHsKPiArCQlkbWFfZmVuY2VfaW5pdCgmc2lnbmFsZWRfZmVuY2UsCj4gKwkJCSAgICAgICAm ZHJtX3N5bmNvYmpfc3R1Yl9mZW5jZV9vcHMsCj4gKwkJCSAgICAgICAmc2lnbmFsZWRfZmVuY2Vf bG9jaywKPiArCQkJICAgICAgIDAsIDApOwo+ICsJCWRtYV9mZW5jZV9zaWduYWxfbG9ja2VkKCZz aWduYWxlZF9mZW5jZSk7Cj4gKwl9Cj4gKwlzcGluX3VubG9jaygmc2lnbmFsZWRfZmVuY2VfbG9j ayk7CkNvdWxkIHRoaXMgYmUgdXNlZCBieSBkcm1fc3luY29ial9hc3NpZ25fbnVsbF9oYW5kbGUg dG9vPyBNYXliZSBhcyBhIHNlcGFyYXRlIHBhdGNoPwoKUmV2aWV3ZWQtYnk6IE1hYXJ0ZW4gTGFu a2hvcnN0IDxtYWFydGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cgp+TWFhcnRlbgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK