From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [PATCH] dma-fence: Use non-atomic bitops while under the lock Date: Thu, 3 Oct 2019 11:12:47 +0100 Message-ID: <20191003101247.809-1-tvrtko.ursulin@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCldlIGRvIG5v dCBoYXZlIHRvIHVzZSBhdG9taWMgYml0b3BzIHdoZW4gYWxyZWFkeSB1bmRlciB0aGUgc3Bpbmxv Y2suCgpTYXZlcyBvbiBhIGhhbmRmdWwgb2YgbG9jayBpbnN0cnVjdGlvbiBwcmVmaXhlcywgb24g eDg2IGF0IGxlYXN0LgoKU2lnbmVkLW9mZi1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1 bGluQGludGVsLmNvbT4KQ2M6IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKQ2M6IENo cmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgotLS0KIGRyaXZlcnMvZG1hLWJ1 Zi9kbWEtZmVuY2UuYyB8IDE0ICsrKysrKystLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgNyBpbnNl cnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZG1hLWJ1Zi9k bWEtZmVuY2UuYyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UuYwppbmRleCAyYzEzNmFlZTNl NzkuLmYwYjQ4MDA0MmUyZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9kbWEtYnVmL2RtYS1mZW5jZS5j CisrKyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UuYwpAQCAtMTMzLDE1ICsxMzMsMTUgQEAg aW50IGRtYV9mZW5jZV9zaWduYWxfbG9ja2VkKHN0cnVjdCBkbWFfZmVuY2UgKmZlbmNlKQogCiAJ bG9ja2RlcF9hc3NlcnRfaGVsZChmZW5jZS0+bG9jayk7CiAKLQlpZiAodW5saWtlbHkodGVzdF9h bmRfc2V0X2JpdChETUFfRkVOQ0VfRkxBR19TSUdOQUxFRF9CSVQsCi0JCQkJICAgICAgJmZlbmNl LT5mbGFncykpKQorCWlmICh1bmxpa2VseShfX3Rlc3RfYW5kX3NldF9iaXQoRE1BX0ZFTkNFX0ZM QUdfU0lHTkFMRURfQklULAorCQkJCQkmZmVuY2UtPmZsYWdzKSkpCiAJCXJldHVybiAtRUlOVkFM OwogCiAJLyogU3Rhc2ggdGhlIGNiX2xpc3QgYmVmb3JlIHJlcGxhY2luZyBpdCB3aXRoIHRoZSB0 aW1lc3RhbXAgKi8KIAlsaXN0X3JlcGxhY2UoJmZlbmNlLT5jYl9saXN0LCAmY2JfbGlzdCk7CiAK IAlmZW5jZS0+dGltZXN0YW1wID0ga3RpbWVfZ2V0KCk7Ci0Jc2V0X2JpdChETUFfRkVOQ0VfRkxB R19USU1FU1RBTVBfQklULCAmZmVuY2UtPmZsYWdzKTsKKwlfX3NldF9iaXQoRE1BX0ZFTkNFX0ZM QUdfVElNRVNUQU1QX0JJVCwgJmZlbmNlLT5mbGFncyk7CiAJdHJhY2VfZG1hX2ZlbmNlX3NpZ25h bGVkKGZlbmNlKTsKIAogCWxpc3RfZm9yX2VhY2hfZW50cnlfc2FmZShjdXIsIHRtcCwgJmNiX2xp c3QsIG5vZGUpIHsKQEAgLTM0Myw4ICszNDMsOCBAQCBpbnQgZG1hX2ZlbmNlX2FkZF9jYWxsYmFj ayhzdHJ1Y3QgZG1hX2ZlbmNlICpmZW5jZSwgc3RydWN0IGRtYV9mZW5jZV9jYiAqY2IsCiAKIAlz cGluX2xvY2tfaXJxc2F2ZShmZW5jZS0+bG9jaywgZmxhZ3MpOwogCi0Jd2FzX3NldCA9IHRlc3Rf YW5kX3NldF9iaXQoRE1BX0ZFTkNFX0ZMQUdfRU5BQkxFX1NJR05BTF9CSVQsCi0JCQkJICAgJmZl bmNlLT5mbGFncyk7CisJd2FzX3NldCA9IF9fdGVzdF9hbmRfc2V0X2JpdChETUFfRkVOQ0VfRkxB R19FTkFCTEVfU0lHTkFMX0JJVCwKKwkJCQkgICAgICZmZW5jZS0+ZmxhZ3MpOwogCiAJaWYgKHRl c3RfYml0KERNQV9GRU5DRV9GTEFHX1NJR05BTEVEX0JJVCwgJmZlbmNlLT5mbGFncykpCiAJCXJl dCA9IC1FTk9FTlQ7CkBAIC00NzMsOCArNDczLDggQEAgZG1hX2ZlbmNlX2RlZmF1bHRfd2FpdChz dHJ1Y3QgZG1hX2ZlbmNlICpmZW5jZSwgYm9vbCBpbnRyLCBzaWduZWQgbG9uZyB0aW1lb3V0KQog CQlnb3RvIG91dDsKIAl9CiAKLQl3YXNfc2V0ID0gdGVzdF9hbmRfc2V0X2JpdChETUFfRkVOQ0Vf RkxBR19FTkFCTEVfU0lHTkFMX0JJVCwKLQkJCQkgICAmZmVuY2UtPmZsYWdzKTsKKwl3YXNfc2V0 ID0gX190ZXN0X2FuZF9zZXRfYml0KERNQV9GRU5DRV9GTEFHX0VOQUJMRV9TSUdOQUxfQklULAor CQkJCSAgICAgJmZlbmNlLT5mbGFncyk7CiAKIAlpZiAodGVzdF9iaXQoRE1BX0ZFTkNFX0ZMQUdf U0lHTkFMRURfQklULCAmZmVuY2UtPmZsYWdzKSkKIAkJZ290byBvdXQ7Ci0tIAoyLjIwLjEKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==