From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.20 012/304] gpu: ipu-v3: image-convert: Prevent race between run and unprepare Date: Mon, 28 Jan 2019 10:38:49 -0500 Message-ID: <20190128154341.47195-12-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id E091C6E4E3 for ; Mon, 28 Jan 2019 15:43:57 +0000 (UTC) In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin , dri-devel@lists.freedesktop.org, Steve Longerbeam List-Id: dri-devel@lists.freedesktop.org RnJvbTogU3RldmUgTG9uZ2VyYmVhbSA8c2xvbmdlcmJlYW1AZ21haWwuY29tPgoKWyBVcHN0cmVh bSBjb21taXQgODE5YmVjMzVjOGM5NzA2MTg1NDk4YzkyMjJiZDI0NGUwNzgxYWQzNSBdCgpQcmV2 ZW50IHBvc3NpYmxlIHJhY2UgYnkgcGFyYWxsZWwgdGhyZWFkcyBiZXR3ZWVuIGlwdV9pbWFnZV9j b252ZXJ0X3J1bigpCmFuZCBpcHVfaW1hZ2VfY29udmVydF91bnByZXBhcmUoKS4gVGhpcyBpbnZv bHZlcyBzZXR0aW5nIGN0eC0+YWJvcnRpbmcKdG8gdHJ1ZSB1bmNvbmRpdGlvbmFsbHkgc28gdGhh dCBubyBuZXcgam9iIHJ1bnMgY2FuIGJlIHF1ZXVlZCBkdXJpbmcKdW5wcmVwYXJlLCBhbmQgaG9s ZGluZyB0aGUgY3R4LT5hYm9ydGluZyBmbGFnIHVudGlsIHRoZSBjb250ZXh0IGlzIGZyZWVkLgoK Tm90ZSB0aGF0IHRoZSAibm9ybWFsIiBpcHVfaW1hZ2VfY29udmVydF9hYm9ydCgpIGNhc2UgKGUu Zy4gbm90IGR1cmluZwpjb250ZXh0IHVucHJlcGFyZSkgc2hvdWxkIGNsZWFyIHRoZSBjdHgtPmFi b3J0aW5nIGZsYWcgYWZ0ZXIgYWJvcnRpbmcKYW55IGFjdGl2ZSBydW4gYW5kIGNsZWFyaW5nIHRo ZSBjb250ZXh0J3MgcGVuZGluZyBxdWV1ZS4gVGhpcyBpcyBiZWNhdXNlCml0IHNob3VsZCBiZSBw b3NzaWJsZSB0byBjb250aW51ZSB0byB1c2UgdGhlIGNvbnZlcnNpb24gY29udGV4dCBhbmQgcXVl dWUKbW9yZSBydW5zIGFmdGVyIGFuIGFib3J0LgoKU2lnbmVkLW9mZi1ieTogU3RldmUgTG9uZ2Vy YmVhbSA8c2xvbmdlcmJlYW1AZ21haWwuY29tPgpUZXN0ZWQtYnk6IFBoaWxpcHAgWmFiZWwgPHAu emFiZWxAcGVuZ3V0cm9uaXguZGU+ClNpZ25lZC1vZmYtYnk6IFBoaWxpcHAgWmFiZWwgPHAuemFi ZWxAcGVuZ3V0cm9uaXguZGU+ClNpZ25lZC1vZmYtYnk6IFNhc2hhIExldmluIDxzYXNoYWxAa2Vy bmVsLm9yZz4KLS0tCiBkcml2ZXJzL2dwdS9pcHUtdjMvaXB1LWltYWdlLWNvbnZlcnQuYyB8IDEw ICsrKysrKystLS0KIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25z KC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvaXB1LXYzL2lwdS1pbWFnZS1jb252ZXJ0LmMg Yi9kcml2ZXJzL2dwdS9pcHUtdjMvaXB1LWltYWdlLWNvbnZlcnQuYwppbmRleCBmNDA4MTk2Mjc4 NGMuLjkxNjUzYWRjNDFjYyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvaXB1LXYzL2lwdS1pbWFn ZS1jb252ZXJ0LmMKKysrIGIvZHJpdmVycy9ncHUvaXB1LXYzL2lwdS1pbWFnZS1jb252ZXJ0LmMK QEAgLTE1MjQsNyArMTUyNCw3IEBAIHVubG9jazoKIEVYUE9SVF9TWU1CT0xfR1BMKGlwdV9pbWFn ZV9jb252ZXJ0X3F1ZXVlKTsKIAogLyogQWJvcnQgYW55IGFjdGl2ZSBvciBwZW5kaW5nIGNvbnZl cnNpb25zIGZvciB0aGlzIGNvbnRleHQgKi8KLXZvaWQgaXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQo c3RydWN0IGlwdV9pbWFnZV9jb252ZXJ0X2N0eCAqY3R4KQorc3RhdGljIHZvaWQgX19pcHVfaW1h Z2VfY29udmVydF9hYm9ydChzdHJ1Y3QgaXB1X2ltYWdlX2NvbnZlcnRfY3R4ICpjdHgpCiB7CiAJ c3RydWN0IGlwdV9pbWFnZV9jb252ZXJ0X2NoYW4gKmNoYW4gPSBjdHgtPmNoYW47CiAJc3RydWN0 IGlwdV9pbWFnZV9jb252ZXJ0X3ByaXYgKnByaXYgPSBjaGFuLT5wcml2OwpAQCAtMTU1MSw3ICsx NTUxLDcgQEAgdm9pZCBpcHVfaW1hZ2VfY29udmVydF9hYm9ydChzdHJ1Y3QgaXB1X2ltYWdlX2Nv bnZlcnRfY3R4ICpjdHgpCiAKIAluZWVkX2Fib3J0ID0gKHJ1bl9jb3VudCB8fCBhY3RpdmVfcnVu KTsKIAotCWN0eC0+YWJvcnRpbmcgPSBuZWVkX2Fib3J0OworCWN0eC0+YWJvcnRpbmcgPSB0cnVl OwogCiAJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmY2hhbi0+aXJxbG9jaywgZmxhZ3MpOwogCkBA IC0xNTcyLDcgKzE1NzIsMTEgQEAgdm9pZCBpcHVfaW1hZ2VfY29udmVydF9hYm9ydChzdHJ1Y3Qg aXB1X2ltYWdlX2NvbnZlcnRfY3R4ICpjdHgpCiAJCWRldl93YXJuKHByaXYtPmlwdS0+ZGV2LCAi JXM6IHRpbWVvdXRcbiIsIF9fZnVuY19fKTsKIAkJZm9yY2VfYWJvcnQoY3R4KTsKIAl9Cit9CiAK K3ZvaWQgaXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQoc3RydWN0IGlwdV9pbWFnZV9jb252ZXJ0X2N0 eCAqY3R4KQoreworCV9faXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQoY3R4KTsKIAljdHgtPmFib3J0 aW5nID0gZmFsc2U7CiB9CiBFWFBPUlRfU1lNQk9MX0dQTChpcHVfaW1hZ2VfY29udmVydF9hYm9y dCk7CkBAIC0xNTg2LDcgKzE1OTAsNyBAQCB2b2lkIGlwdV9pbWFnZV9jb252ZXJ0X3VucHJlcGFy ZShzdHJ1Y3QgaXB1X2ltYWdlX2NvbnZlcnRfY3R4ICpjdHgpCiAJYm9vbCBwdXRfcmVzOwogCiAJ LyogbWFrZSBzdXJlIG5vIHJ1bnMgYXJlIGhhbmdpbmcgYXJvdW5kICovCi0JaXB1X2ltYWdlX2Nv bnZlcnRfYWJvcnQoY3R4KTsKKwlfX2lwdV9pbWFnZV9jb252ZXJ0X2Fib3J0KGN0eCk7CiAKIAlk ZXZfZGJnKHByaXYtPmlwdS0+ZGV2LCAiJXM6IHRhc2sgJXU6IHJlbW92aW5nIGN0eCAlcFxuIiwg X19mdW5jX18sCiAJCWNoYW4tPmljX3Rhc2ssIGN0eCk7Ci0tIAoyLjE5LjEKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=