From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Courbot Subject: Re: [PATCH] drm/nouveau: gk20a: Turn instmem lock into mutex Date: Fri, 24 Feb 2017 16:25:42 +0900 Message-ID: <6febf110-a04a-da21-20b4-638bde1eaf36@nvidia.com> References: <20170130200307.18574-1-thierry.reding@gmail.com> <20170223162015.GA15693@ulmo.ba.sec> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170223162015.GA15693@ulmo.ba.sec> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding , Ben Skeggs Cc: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gMDIvMjQvMjAxNyAwMToyMCBBTSwgVGhpZXJyeSBSZWRpbmcgd3JvdGU6Cj4gKiBQR1AgU2ln bmVkIGJ5IGFuIHVua25vd24ga2V5Cj4KPiBPbiBNb24sIEphbiAzMCwgMjAxNyBhdCAwOTowMzow N1BNICswMTAwLCBUaGllcnJ5IFJlZGluZyB3cm90ZToKPj4gRnJvbTogVGhpZXJyeSBSZWRpbmcg PHRyZWRpbmdAbnZpZGlhLmNvbT4KPj4KPj4gVGhlIGdrMjBhIGltcGxlbWVudGF0aW9uIG9mIGlu c3RhbmNlIG1lbW9yeSB1c2VzIHZtYXAoKS92dW5tYXAoKSB0byBtYXAKPj4gbWVtb3J5IHJlZ2lv bnMgaW50byB0aGUga2VybmVsJ3MgdmlydHVhbCBhZGRyZXNzIHNwYWNlLiBUaGVzZSBmdW5jdGlv bnMKPj4gbWF5IHNsZWVwLCBzbyBwcm90ZWN0aW5nIHRoZW0gYnkgYSBzcGluIGxvY2sgaXMgbm90 IHNhZmUuIFRoaXMgdHJpZ2dlcnMKPj4gYSB3YXJuaW5nIGlmIHRoZSBERUJVR19BVE9NSUNfU0xF RVAgS2NvbmZpZyBvcHRpb24gaXMgZW5hYmxlZC4gRml4IHRoaXMKPj4gYnkgdXNpbmcgYSBtdXRl eCBpbnN0ZWFkLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0Bu dmlkaWEuY29tPgo+PiAtLS0KPj4gIGRyaXZlcnMvZ3B1L2RybS9ub3V2ZWF1L252a20vc3ViZGV2 L2luc3RtZW0vZ2syMGEuYyB8IDE5ICsrKysrKysrLS0tLS0tLS0tLS0KPj4gIDEgZmlsZSBjaGFu Z2VkLCA4IGluc2VydGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQo+Cj4gQWxleCwgY291bGQgeW91 IHRha2UgYSBsb29rIGF0IHRoaXM/CgpTb3JyeSEgWWVzLCB1c2luZyBhIG11dGV4IGhlcmUgc2hv dWxkIGJlIHNhZmUgc2luY2Ugdm1hcCgpIGNhbiBzbGVlcCAKYW55d2F5LiBBbmQgSSBkb24ndCB0 aGluayB0aGlzIGNvZGUgY2FuIGV2ZXIgYmUgcmVhY2hlZCBpbiBhdG9taWMgCmNvbnRleHQgKEJl biBjYW4gY29uZmlybSB0aGF0IGxhc3QgcG9pbnQpLiBUZXN0ZWQgdGhpcyBwYXRjaCBhbmQgaXQg CnNlZW1zIHRvIHdvcmsgbGlrZSBhIGNoYXJtLgoKUmV2aWV3ZWQtYnk6IEFsZXhhbmRyZSBDb3Vy Ym90IDxhY291cmJvdEBudmlkaWEuY29tPgpUZXN0ZWQtYnk6IEFsZXhhbmRyZSBDb3VyYm90IDxh Y291cmJvdEBudmlkaWEuY29tPgoKPgo+IFRoYW5rcywKPiBUaGllcnJ5Cj4KPj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9ub3V2ZWF1L252a20vc3ViZGV2L2luc3RtZW0vZ2syMGEuYyBi L2RyaXZlcnMvZ3B1L2RybS9ub3V2ZWF1L252a20vc3ViZGV2L2luc3RtZW0vZ2syMGEuYwo+PiBp bmRleCBhNmE3ZmEwZDc2NzkuLjdmNTI0NGQ1N2QyZiAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL25vdXZlYXUvbnZrbS9zdWJkZXYvaW5zdG1lbS9nazIwYS5jCj4+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9ub3V2ZWF1L252a20vc3ViZGV2L2luc3RtZW0vZ2syMGEuYwo+PiBAQCAtOTQs NyArOTQsNyBAQCBzdHJ1Y3QgZ2syMGFfaW5zdG1lbSB7Cj4+ICAJc3RydWN0IG52a21faW5zdG1l bSBiYXNlOwo+Pgo+PiAgCS8qIHByb3RlY3RzIHZhZGRyXyogYW5kIGdrMjBhX2luc3RvYmo6OnZh ZGRyKiAqLwo+PiAtCXNwaW5sb2NrX3QgbG9jazsKPj4gKwlzdHJ1Y3QgbXV0ZXggbG9jazsKPj4K Pj4gIAkvKiBDUFUgbWFwcGluZ3MgTFJVICovCj4+ICAJdW5zaWduZWQgaW50IHZhZGRyX3VzZTsK Pj4gQEAgLTE4NCwxMSArMTg0LDEwIEBAIGdrMjBhX2luc3RvYmpfYWNxdWlyZV9pb21tdShzdHJ1 Y3QgbnZrbV9tZW1vcnkgKm1lbW9yeSkKPj4gIAlzdHJ1Y3QgZ2syMGFfaW5zdG1lbSAqaW1lbSA9 IG5vZGUtPmJhc2UuaW1lbTsKPj4gIAlzdHJ1Y3QgbnZrbV9sdGMgKmx0YyA9IGltZW0tPmJhc2Uu c3ViZGV2LmRldmljZS0+bHRjOwo+PiAgCWNvbnN0IHU2NCBzaXplID0gbnZrbV9tZW1vcnlfc2l6 ZShtZW1vcnkpOwo+PiAtCXVuc2lnbmVkIGxvbmcgZmxhZ3M7Cj4+Cj4+ICAJbnZrbV9sdGNfZmx1 c2gobHRjKTsKPj4KPj4gLQlzcGluX2xvY2tfaXJxc2F2ZSgmaW1lbS0+bG9jaywgZmxhZ3MpOwo+ PiArCW11dGV4X2xvY2soJmltZW0tPmxvY2spOwo+Pgo+PiAgCWlmIChub2RlLT5iYXNlLnZhZGRy KSB7Cj4+ICAJCWlmICghbm9kZS0+dXNlX2NwdCkgewo+PiBAQCAtMjE2LDcgKzIxNSw3IEBAIGdr MjBhX2luc3RvYmpfYWNxdWlyZV9pb21tdShzdHJ1Y3QgbnZrbV9tZW1vcnkgKm1lbW9yeSkKPj4K Pj4gIG91dDoKPj4gIAlub2RlLT51c2VfY3B0Kys7Cj4+IC0Jc3Bpbl91bmxvY2tfaXJxcmVzdG9y ZSgmaW1lbS0+bG9jaywgZmxhZ3MpOwo+PiArCW11dGV4X3VubG9jaygmaW1lbS0+bG9jayk7Cj4+ Cj4+ICAJcmV0dXJuIG5vZGUtPmJhc2UudmFkZHI7Cj4+ICB9Cj4+IEBAIC0yMzksOSArMjM4LDgg QEAgZ2syMGFfaW5zdG9ial9yZWxlYXNlX2lvbW11KHN0cnVjdCBudmttX21lbW9yeSAqbWVtb3J5 KQo+PiAgCXN0cnVjdCBnazIwYV9pbnN0b2JqX2lvbW11ICpub2RlID0gZ2syMGFfaW5zdG9ial9p b21tdShtZW1vcnkpOwo+PiAgCXN0cnVjdCBnazIwYV9pbnN0bWVtICppbWVtID0gbm9kZS0+YmFz ZS5pbWVtOwo+PiAgCXN0cnVjdCBudmttX2x0YyAqbHRjID0gaW1lbS0+YmFzZS5zdWJkZXYuZGV2 aWNlLT5sdGM7Cj4+IC0JdW5zaWduZWQgbG9uZyBmbGFnczsKPj4KPj4gLQlzcGluX2xvY2tfaXJx c2F2ZSgmaW1lbS0+bG9jaywgZmxhZ3MpOwo+PiArCW11dGV4X2xvY2soJmltZW0tPmxvY2spOwo+ Pgo+PiAgCS8qIHdlIHNob3VsZCBhdCBsZWFzdCBoYXZlIG9uZSB1c2VyIHRvIHJlbGVhc2UuLi4g Ki8KPj4gIAlpZiAoV0FSTl9PTihub2RlLT51c2VfY3B0ID09IDApKQo+PiBAQCAtMjUyLDcgKzI1 MCw3IEBAIGdrMjBhX2luc3RvYmpfcmVsZWFzZV9pb21tdShzdHJ1Y3QgbnZrbV9tZW1vcnkgKm1l bW9yeSkKPj4gIAkJbGlzdF9hZGRfdGFpbCgmbm9kZS0+dmFkZHJfbm9kZSwgJmltZW0tPnZhZGRy X2xydSk7Cj4+Cj4+ICBvdXQ6Cj4+IC0Jc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmaW1lbS0+bG9j aywgZmxhZ3MpOwo+PiArCW11dGV4X3VubG9jaygmaW1lbS0+bG9jayk7Cj4+Cj4+ICAJd21iKCk7 Cj4+ICAJbnZrbV9sdGNfaW52YWxpZGF0ZShsdGMpOwo+PiBAQCAtMzA2LDE5ICszMDQsMTggQEAg Z2syMGFfaW5zdG9ial9kdG9yX2lvbW11KHN0cnVjdCBudmttX21lbW9yeSAqbWVtb3J5KQo+PiAg CXN0cnVjdCBnazIwYV9pbnN0bWVtICppbWVtID0gbm9kZS0+YmFzZS5pbWVtOwo+PiAgCXN0cnVj dCBkZXZpY2UgKmRldiA9IGltZW0tPmJhc2Uuc3ViZGV2LmRldmljZS0+ZGV2Owo+PiAgCXN0cnVj dCBudmttX21tX25vZGUgKnI7Cj4+IC0JdW5zaWduZWQgbG9uZyBmbGFnczsKPj4gIAlpbnQgaTsK Pj4KPj4gIAlpZiAodW5saWtlbHkobGlzdF9lbXB0eSgmbm9kZS0+YmFzZS5tZW0ucmVnaW9ucykp KQo+PiAgCQlnb3RvIG91dDsKPj4KPj4gLQlzcGluX2xvY2tfaXJxc2F2ZSgmaW1lbS0+bG9jaywg ZmxhZ3MpOwo+PiArCW11dGV4X2xvY2soJmltZW0tPmxvY2spOwo+Pgo+PiAgCS8qIHZhZGRyIGhh cyBhbHJlYWR5IGJlZW4gcmVjeWNsZWQgKi8KPj4gIAlpZiAobm9kZS0+YmFzZS52YWRkcikKPj4g IAkJZ2syMGFfaW5zdG9ial9pb21tdV9yZWN5Y2xlX3ZhZGRyKG5vZGUpOwo+Pgo+PiAtCXNwaW5f dW5sb2NrX2lycXJlc3RvcmUoJmltZW0tPmxvY2ssIGZsYWdzKTsKPj4gKwltdXRleF91bmxvY2so JmltZW0tPmxvY2spOwo+Pgo+PiAgCXIgPSBsaXN0X2ZpcnN0X2VudHJ5KCZub2RlLT5iYXNlLm1l bS5yZWdpb25zLCBzdHJ1Y3QgbnZrbV9tbV9ub2RlLAo+PiAgCQkJICAgICBybF9lbnRyeSk7Cj4+ IEBAIC01ODAsNyArNTc3LDcgQEAgZ2syMGFfaW5zdG1lbV9uZXcoc3RydWN0IG52a21fZGV2aWNl ICpkZXZpY2UsIGludCBpbmRleCwKPj4gIAlpZiAoIShpbWVtID0ga3phbGxvYyhzaXplb2YoKmlt ZW0pLCBHRlBfS0VSTkVMKSkpCj4+ICAJCXJldHVybiAtRU5PTUVNOwo+PiAgCW52a21faW5zdG1l bV9jdG9yKCZnazIwYV9pbnN0bWVtLCBkZXZpY2UsIGluZGV4LCAmaW1lbS0+YmFzZSk7Cj4+IC0J c3Bpbl9sb2NrX2luaXQoJmltZW0tPmxvY2spOwo+PiArCW11dGV4X2luaXQoJmltZW0tPmxvY2sp Owo+PiAgCSpwaW1lbSA9ICZpbWVtLT5iYXNlOwo+Pgo+PiAgCS8qIGRvIG5vdCBhbGxvdyBtb3Jl IHRoYW4gMU1CIG9mIENQVS1tYXBwZWQgaW5zdG1lbSAqLwo+PiAtLQo+PiAyLjExLjAKPj4KPgo+ ICogVW5rbm93biBLZXkKPiAqIDB4N0YzRUIzQTEKPgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVsCg==