From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dongwon Kim Subject: [RFC PATCH 39/60] hyper_dmabuf: correcting DMA-BUF clean-up order Date: Tue, 19 Dec 2017 11:29:55 -0800 Message-ID: <1513711816-2618-39-git-send-email-dongwon.kim@intel.com> References: <1513711816-2618-1-git-send-email-dongwon.kim@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1513711816-2618-1-git-send-email-dongwon.kim@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: linux-kernel@vger.kernel.org Cc: xen-devel@lists.xenproject.org, mateuszx.potrola@intel.com, dri-devel@lists.freedesktop.org, dongwon.kim@intel.com List-Id: dri-devel@lists.freedesktop.org UmVvcmRlcmluZyBjbGVhbi11cCBwcm9jZWR1cmUKClNpZ25lZC1vZmYtYnk6IERvbmd3b24gS2lt IDxkb25nd29uLmtpbUBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy94ZW4vaHlwZXJfZG1hYnVmL2h5 cGVyX2RtYWJ1Zl9pb2N0bC5jIHwgMzcgKysrKysrKysrKysrKysrKystLS0tLS0tLS0tCiAxIGZp bGUgY2hhbmdlZCwgMjQgaW5zZXJ0aW9ucygrKSwgMTMgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEvZHJpdmVycy94ZW4vaHlwZXJfZG1hYnVmL2h5cGVyX2RtYWJ1Zl9pb2N0bC5jIGIvZHJpdmVy cy94ZW4vaHlwZXJfZG1hYnVmL2h5cGVyX2RtYWJ1Zl9pb2N0bC5jCmluZGV4IGI3N2IxNTYuLjJm ZjJjMTQ1IDEwMDY0NAotLS0gYS9kcml2ZXJzL3hlbi9oeXBlcl9kbWFidWYvaHlwZXJfZG1hYnVm X2lvY3RsLmMKKysrIGIvZHJpdmVycy94ZW4vaHlwZXJfZG1hYnVmL2h5cGVyX2RtYWJ1Zl9pb2N0 bC5jCkBAIC0xNDgsMjEgKzE0OCwyNCBAQCBzdGF0aWMgaW50IGh5cGVyX2RtYWJ1Zl9leHBvcnRf cmVtb3RlX2lvY3RsKHN0cnVjdCBmaWxlICpmaWxwLCB2b2lkICpkYXRhKQogCWF0dGFjaG1lbnQg PSBkbWFfYnVmX2F0dGFjaChkbWFfYnVmLCBoeXBlcl9kbWFidWZfcHJpdmF0ZS5kZXZpY2UpOwog CWlmIChJU19FUlIoYXR0YWNobWVudCkpIHsKIAkJZGV2X2VycihoeXBlcl9kbWFidWZfcHJpdmF0 ZS5kZXZpY2UsICJDYW5ub3QgZ2V0IGF0dGFjaG1lbnRcbiIpOwotCQlyZXR1cm4gUFRSX0VSUihh dHRhY2htZW50KTsKKwkJcmV0ID0gUFRSX0VSUihhdHRhY2htZW50KTsKKwkJZ290byBmYWlsX2F0 dGFjaDsKIAl9CiAKIAlzZ3QgPSBkbWFfYnVmX21hcF9hdHRhY2htZW50KGF0dGFjaG1lbnQsIERN QV9CSURJUkVDVElPTkFMKTsKIAogCWlmIChJU19FUlIoc2d0KSkgewogCQlkZXZfZXJyKGh5cGVy X2RtYWJ1Zl9wcml2YXRlLmRldmljZSwgIkNhbm5vdCBtYXAgYXR0YWNobWVudFxuIik7Ci0JCXJl dHVybiBQVFJfRVJSKHNndCk7CisJCXJldCA9IFBUUl9FUlIoc2d0KTsKKwkJZ290byBmYWlsX21h cF9hdHRhY2htZW50OwogCX0KIAogCXNndF9pbmZvID0ga2NhbGxvYygxLCBzaXplb2YoKnNndF9p bmZvKSwgR0ZQX0tFUk5FTCk7CiAKIAlpZighc2d0X2luZm8pIHsKIAkJZGV2X2VycihoeXBlcl9k bWFidWZfcHJpdmF0ZS5kZXZpY2UsICJubyBtb3JlIHNwYWNlIGxlZnRcbiIpOwotCQlyZXR1cm4g LUVOT01FTTsKKwkJcmV0ID0gLUVOT01FTTsKKwkJZ290byBmYWlsX3NndF9pbmZvX2NyZWF0aW9u OwogCX0KIAogCXNndF9pbmZvLT5oaWQgPSBoeXBlcl9kbWFidWZfZ2V0X2hpZCgpOwpAQCAtMTcx LDggKzE3NCw4IEBAIHN0YXRpYyBpbnQgaHlwZXJfZG1hYnVmX2V4cG9ydF9yZW1vdGVfaW9jdGwo c3RydWN0IGZpbGUgKmZpbHAsIHZvaWQgKmRhdGEpCiAJaWYoc2d0X2luZm8tPmhpZC5pZCA9PSAt MSkgewogCQlkZXZfZXJyKGh5cGVyX2RtYWJ1Zl9wcml2YXRlLmRldmljZSwKIAkJCSJleGNlZWRz IGFsbG93ZWQgbnVtYmVyIG9mIGRtYWJ1ZiB0byBiZSBleHBvcnRlZFxuIik7Ci0JCS8qIFRPRE86 IENsZWFudXAgc2d0ICovCi0JCXJldHVybiAtRU5PTUVNOworCQlyZXQgPSAtRU5PTUVNOworCQln b3RvIGZhaWxfc2d0X2luZm9fY3JlYXRpb247CiAJfQogCiAJLyogVE9ETzogV2UgbWlnaHQgbmVl ZCB0byBjb25zaWRlciB1c2luZyBwb3J0IG51bWJlciBvbiBldmVudCBjaGFubmVsPyAqLwpAQCAt Mjg2LDYgKzI4OSw4IEBAIHN0YXRpYyBpbnQgaHlwZXJfZG1hYnVmX2V4cG9ydF9yZW1vdGVfaW9j dGwoc3RydWN0IGZpbGUgKmZpbHAsIHZvaWQgKmRhdGEpCiAKIAlyZXR1cm4gcmV0OwogCisvKiBD bGVhbi11cCBpZiBlcnJvciBvY2N1cnMgKi8KKwogZmFpbF9zZW5kX3JlcXVlc3Q6CiAJa2ZyZWUo cmVxKTsKIApAQCAtMjkzLDIwICsyOTgsMjYgQEAgc3RhdGljIGludCBoeXBlcl9kbWFidWZfZXhw b3J0X3JlbW90ZV9pb2N0bChzdHJ1Y3QgZmlsZSAqZmlscCwgdm9pZCAqZGF0YSkKIAloeXBlcl9k bWFidWZfcmVtb3ZlX2V4cG9ydGVkKHNndF9pbmZvLT5oaWQpOwogCiBmYWlsX2V4cG9ydDoKLQlk bWFfYnVmX3VubWFwX2F0dGFjaG1lbnQoc2d0X2luZm8tPmFjdGl2ZV9hdHRhY2hlZC0+YXR0YWNo LAotCQkJCSBzZ3RfaW5mby0+YWN0aXZlX3NndHMtPnNndCwKLQkJCQkgRE1BX0JJRElSRUNUSU9O QUwpOwotCWRtYV9idWZfZGV0YWNoKHNndF9pbmZvLT5kbWFfYnVmLCBzZ3RfaW5mby0+YWN0aXZl X2F0dGFjaGVkLT5hdHRhY2gpOwotCWRtYV9idWZfcHV0KHNndF9pbmZvLT5kbWFfYnVmKTsKLQog CWtmcmVlKHNndF9pbmZvLT52YV92bWFwcGVkKTsKKwogZmFpbF9tYXBfdmFfdm1hcHBlZDoKIAlr ZnJlZShzZ3RfaW5mby0+dmFfa21hcHBlZCk7CisKIGZhaWxfbWFwX3ZhX2ttYXBwZWQ6Ci0Ja2Zy ZWUoc2d0X2luZm8tPmFjdGl2ZV9zZ3RzKTsKLWZhaWxfbWFwX2FjdGl2ZV9zZ3RzOgogCWtmcmVl KHNndF9pbmZvLT5hY3RpdmVfYXR0YWNoZWQpOworCiBmYWlsX21hcF9hY3RpdmVfYXR0YWNoZWQ6 CisJa2ZyZWUoc2d0X2luZm8tPmFjdGl2ZV9zZ3RzKTsKKworZmFpbF9tYXBfYWN0aXZlX3NndHM6 CitmYWlsX3NndF9pbmZvX2NyZWF0aW9uOgorCWRtYV9idWZfdW5tYXBfYXR0YWNobWVudChhdHRh Y2htZW50LCBzZ3QsIERNQV9CSURJUkVDVElPTkFMKTsKKworZmFpbF9tYXBfYXR0YWNobWVudDoK KwlkbWFfYnVmX2RldGFjaChkbWFfYnVmLCBhdHRhY2htZW50KTsKKworZmFpbF9hdHRhY2g6CisJ ZG1hX2J1Zl9wdXQoZG1hX2J1Zik7CiAKIAlyZXR1cm4gcmV0OwogfQotLSAKMi43LjQKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFp bGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhl bnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs