From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.14 006/170] gpu: ipu-v3: image-convert: Prevent race between run and unprepare Date: Mon, 28 Jan 2019 11:09:16 -0500 Message-ID: <20190128161200.55107-6-sashal@kernel.org> References: <20190128161200.55107-1-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 79F48891FA for ; Mon, 28 Jan 2019 16:12:16 +0000 (UTC) In-Reply-To: <20190128161200.55107-1-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 Yi9kcml2ZXJzL2dwdS9pcHUtdjMvaXB1LWltYWdlLWNvbnZlcnQuYwppbmRleCA1MjRhNzE3YWIy OGUuLmE1ZTMzZDU4ZTAyZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvaXB1LXYzL2lwdS1pbWFn ZS1jb252ZXJ0LmMKKysrIGIvZHJpdmVycy9ncHUvaXB1LXYzL2lwdS1pbWFnZS1jb252ZXJ0LmMK QEAgLTE1MTgsNyArMTUxOCw3IEBAIGludCBpcHVfaW1hZ2VfY29udmVydF9xdWV1ZShzdHJ1Y3Qg aXB1X2ltYWdlX2NvbnZlcnRfcnVuICpydW4pCiBFWFBPUlRfU1lNQk9MX0dQTChpcHVfaW1hZ2Vf Y29udmVydF9xdWV1ZSk7CiAKIC8qIEFib3J0IGFueSBhY3RpdmUgb3IgcGVuZGluZyBjb252ZXJz aW9ucyBmb3IgdGhpcyBjb250ZXh0ICovCi12b2lkIGlwdV9pbWFnZV9jb252ZXJ0X2Fib3J0KHN0 cnVjdCBpcHVfaW1hZ2VfY29udmVydF9jdHggKmN0eCkKK3N0YXRpYyB2b2lkIF9faXB1X2ltYWdl X2NvbnZlcnRfYWJvcnQoc3RydWN0IGlwdV9pbWFnZV9jb252ZXJ0X2N0eCAqY3R4KQogewogCXN0 cnVjdCBpcHVfaW1hZ2VfY29udmVydF9jaGFuICpjaGFuID0gY3R4LT5jaGFuOwogCXN0cnVjdCBp cHVfaW1hZ2VfY29udmVydF9wcml2ICpwcml2ID0gY2hhbi0+cHJpdjsKQEAgLTE1NDUsNyArMTU0 NSw3IEBAIHZvaWQgaXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQoc3RydWN0IGlwdV9pbWFnZV9jb252 ZXJ0X2N0eCAqY3R4KQogCiAJbmVlZF9hYm9ydCA9IChydW5fY291bnQgfHwgYWN0aXZlX3J1bik7 CiAKLQljdHgtPmFib3J0aW5nID0gbmVlZF9hYm9ydDsKKwljdHgtPmFib3J0aW5nID0gdHJ1ZTsK IAogCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmNoYW4tPmlycWxvY2ssIGZsYWdzKTsKIApAQCAt MTU2Niw3ICsxNTY2LDExIEBAIHZvaWQgaXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQoc3RydWN0IGlw dV9pbWFnZV9jb252ZXJ0X2N0eCAqY3R4KQogCQlkZXZfd2Fybihwcml2LT5pcHUtPmRldiwgIiVz OiB0aW1lb3V0XG4iLCBfX2Z1bmNfXyk7CiAJCWZvcmNlX2Fib3J0KGN0eCk7CiAJfQorfQogCit2 b2lkIGlwdV9pbWFnZV9jb252ZXJ0X2Fib3J0KHN0cnVjdCBpcHVfaW1hZ2VfY29udmVydF9jdHgg KmN0eCkKK3sKKwlfX2lwdV9pbWFnZV9jb252ZXJ0X2Fib3J0KGN0eCk7CiAJY3R4LT5hYm9ydGlu ZyA9IGZhbHNlOwogfQogRVhQT1JUX1NZTUJPTF9HUEwoaXB1X2ltYWdlX2NvbnZlcnRfYWJvcnQp OwpAQCAtMTU4MCw3ICsxNTg0LDcgQEAgdm9pZCBpcHVfaW1hZ2VfY29udmVydF91bnByZXBhcmUo c3RydWN0IGlwdV9pbWFnZV9jb252ZXJ0X2N0eCAqY3R4KQogCWJvb2wgcHV0X3JlczsKIAogCS8q IG1ha2Ugc3VyZSBubyBydW5zIGFyZSBoYW5naW5nIGFyb3VuZCAqLwotCWlwdV9pbWFnZV9jb252 ZXJ0X2Fib3J0KGN0eCk7CisJX19pcHVfaW1hZ2VfY29udmVydF9hYm9ydChjdHgpOwogCiAJZGV2 X2RiZyhwcml2LT5pcHUtPmRldiwgIiVzOiB0YXNrICV1OiByZW1vdmluZyBjdHggJXBcbiIsIF9f ZnVuY19fLAogCQljaGFuLT5pY190YXNrLCBjdHgpOwotLSAKMi4xOS4xCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0 CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK