From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emily Deng Subject: [PATCH] drm/amdgpu: fix a kcq hang issue for SRIOV Date: Tue, 20 Mar 2018 14:29:21 +0800 Message-ID: <1521527361-25685-1-git-send-email-Emily.Deng@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Emily Deng , Monk Liu aXNzdWU6CnRoZSB2bWZsdXNoIGluIEtDUSBjb3VsZCBiZSBwcmVlbXB0ZWQgKG5vdCBsaWtlIEdG WCByaW5nCndoaWNoIGRvZXNuJ3QgYWxsb3cgcHJlZW1wdGlvbiBpbiByaW5nIGJ1ZmZlcikgYW5k IHRoaXMgbGVhZAp0byB2bSBmbHVzaCBmYWlsIHdoZW4gdGhlcmUgaXMgYSB3b3JsZCBzd2l0Y2gg ZHVyaW5nCnRoZSB2bSBmbHVzaCBwcm9jZWR1cmUgKGJldHdlZW4gd3JpdGUgaW52YWxpZGF0ZSBy ZXF1ZXN0CmFuZCBxdWVyeSBpbnZhbGlkYXRlIGFjaykKCmZpeDoKc2VwYXJhdGUgdm0gZmx1c2gg Zm9yIGdmeCBhbmQgY29tcHV0ZSByaW5nLCBhbmQgdXNlCnRoZSBuZXcgZm9ybWF0IGNvbW1hbmQg aW4gY29tcHV0ZSdzIHZtIGZsdXNoIHdoaWNoCnVzZSBvbmx5IG9uZSBwYWNrYWdlIHNvIG5vIHBy ZWVtcHRpb24gY291bGQgYWxsb3dlZAoKU2lnbmVkLW9mZi1ieTogTW9uayBMaXUgPE1vbmsuTGl1 QGFtZC5jb20+ClNpZ25lZC1vZmYtYnk6IEVtaWx5IERlbmcgPEVtaWx5LkRlbmdAYW1kLmNvbT4K LS0tCiBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHUuaCAgICAgIHwgIDEgKwogZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3JpbmcuaCB8ICAyICsrCiBkcml2ZXJzL2dw dS9kcm0vYW1kL2FtZGdwdS9nZnhfdjlfMC5jICAgIHwgMTAgKysrKysrKysrLQogZHJpdmVycy9n cHUvZHJtL2FtZC9hbWRncHUvZ21jX3Y5XzAuYyAgICB8IDE0ICsrKysrKysrKy0tLS0tCiA0IGZp bGVzIGNoYW5nZWQsIDIxIGluc2VydGlvbnMoKyksIDYgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1LmggYi9kcml2ZXJzL2dwdS9kcm0v YW1kL2FtZGdwdS9hbWRncHUuaAppbmRleCBhN2UyMjI5Li45ODY2NTlmIDEwMDY0NAotLS0gYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHUuaAorKysgYi9kcml2ZXJzL2dwdS9kcm0v YW1kL2FtZGdwdS9hbWRncHUuaApAQCAtMTc5MCw2ICsxNzkwLDcgQEAgYW1kZ3B1X2dldF9zZG1h X2luc3RhbmNlKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZykKICNkZWZpbmUgYW1kZ3B1X3Jpbmdf ZW1pdF9ycmVnKHIsIGQpIChyKS0+ZnVuY3MtPmVtaXRfcnJlZygociksIChkKSkKICNkZWZpbmUg YW1kZ3B1X3JpbmdfZW1pdF93cmVnKHIsIGQsIHYpIChyKS0+ZnVuY3MtPmVtaXRfd3JlZygociks IChkKSwgKHYpKQogI2RlZmluZSBhbWRncHVfcmluZ19lbWl0X3JlZ193YWl0KHIsIGQsIHYsIG0p IChyKS0+ZnVuY3MtPmVtaXRfcmVnX3dhaXQoKHIpLCAoZCksICh2KSwgKG0pKQorI2RlZmluZSBh bWRncHVfcmluZ19lbWl0X3JlZ193YWl0MShyLCBkMCwgZDEsIHYsIG0pIChyKS0+ZnVuY3MtPmVt aXRfcmVnX3dhaXQxKChyKSwgKGQwKSwgKGQxKSwgKHYpLCAobSkpCiAjZGVmaW5lIGFtZGdwdV9y aW5nX2VtaXRfdG16KHIsIGIpIChyKS0+ZnVuY3MtPmVtaXRfdG16KChyKSwgKGIpKQogI2RlZmlu ZSBhbWRncHVfcmluZ19wYWRfaWIociwgaWIpICgociktPmZ1bmNzLT5wYWRfaWIoKHIpLCAoaWIp KSkKICNkZWZpbmUgYW1kZ3B1X3JpbmdfaW5pdF9jb25kX2V4ZWMocikgKHIpLT5mdW5jcy0+aW5p dF9jb25kX2V4ZWMoKHIpKQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X3JpbmcuaCBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9yaW5nLmgK aW5kZXggMWQwZDI1MC4uZDg1ZGY1ZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9h bWRncHUvYW1kZ3B1X3JpbmcuaAorKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfcmluZy5oCkBAIC0xNTIsNiArMTUyLDggQEAgc3RydWN0IGFtZGdwdV9yaW5nX2Z1bmNzIHsK IAl2b2lkICgqZW1pdF93cmVnKShzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcsIHVpbnQzMl90IHJl ZywgdWludDMyX3QgdmFsKTsKIAl2b2lkICgqZW1pdF9yZWdfd2FpdCkoc3RydWN0IGFtZGdwdV9y aW5nICpyaW5nLCB1aW50MzJfdCByZWcsCiAJCQkgICAgICB1aW50MzJfdCB2YWwsIHVpbnQzMl90 IG1hc2spOworCXZvaWQgKCplbWl0X3JlZ193YWl0MSkoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5n LCB1aW50MzJfdCByZWcwLAorCQkJCXVpbnQzMl90IHJlZzEsIHVpbnQzMl90IHZhbCwgdWludDMy X3QgbWFzayk7CiAJdm9pZCAoKmVtaXRfdG16KShzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcsIGJv b2wgc3RhcnQpOwogCS8qIHByaW9yaXR5IGZ1bmN0aW9ucyAqLwogCXZvaWQgKCpzZXRfcHJpb3Jp dHkpIChzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcsCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9nZnhfdjlfMC5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ2Z4 X3Y5XzAuYwppbmRleCBkMWQyYzI3Li5kMzZiMjllIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9nZnhfdjlfMC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2dmeF92OV8wLmMKQEAgLTQwMTQsNiArNDAxNCwxMyBAQCBzdGF0aWMgdm9pZCBnZnhfdjlfMF9y aW5nX2VtaXRfcmVnX3dhaXQoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nLCB1aW50MzJfdCByZWcs CiAJZ2Z4X3Y5XzBfd2FpdF9yZWdfbWVtKHJpbmcsIDAsIDAsIDAsIHJlZywgMCwgdmFsLCBtYXNr LCAweDIwKTsKIH0KIAorc3RhdGljIHZvaWQgZ2Z4X3Y5XzBfcmluZ19lbWl0X3JlZ193YWl0X2Nv bXB1dGUoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nLAorCQkJCQl1aW50MzJfdCByZWcwLCB1aW50 MzJfdCByZWcxLAorCQkJCQl1aW50MzJfdCB2YWwsIHVpbnQzMl90IG1hc2spCit7CisJZ2Z4X3Y5 XzBfd2FpdF9yZWdfbWVtKHJpbmcsIDAsIDAsIDEsIHJlZzAsIHJlZzEsIHZhbCwgbWFzaywgMHgy MCk7Cit9CisKIHN0YXRpYyB2b2lkIGdmeF92OV8wX3NldF9nZnhfZW9wX2ludGVycnVwdF9zdGF0 ZShzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiwKIAkJCQkJCSBlbnVtIGFtZGdwdV9pbnRlcnJ1 cHRfc3RhdGUgc3RhdGUpCiB7CkBAIC00MzUxLDcgKzQzNTgsNyBAQCBzdGF0aWMgY29uc3Qgc3Ry dWN0IGFtZGdwdV9yaW5nX2Z1bmNzIGdmeF92OV8wX3JpbmdfZnVuY3NfY29tcHV0ZSA9IHsKIAkJ NyArIC8qIGdmeF92OV8wX3JpbmdfZW1pdF9oZHBfZmx1c2ggKi8KIAkJNSArIC8qIGhkcCBpbnZh bGlkYXRlICovCiAJCTcgKyAvKiBnZnhfdjlfMF9yaW5nX2VtaXRfcGlwZWxpbmVfc3luYyAqLwot CQlTT0MxNV9GTFVTSF9HUFVfVExCX05VTV9XUkVHICogNSArCisJCShTT0MxNV9GTFVTSF9HUFVf VExCX05VTV9XUkVHIC0gMSkgKiA1ICsKIAkJU09DMTVfRkxVU0hfR1BVX1RMQl9OVU1fUkVHX1dB SVQgKiA3ICsKIAkJMiArIC8qIGdmeF92OV8wX3JpbmdfZW1pdF92bV9mbHVzaCAqLwogCQk4ICsg OCArIDgsIC8qIGdmeF92OV8wX3JpbmdfZW1pdF9mZW5jZSB4MyBmb3IgdXNlciBmZW5jZSwgdm0g ZmVuY2UgKi8KQEAgLTQzNjksNiArNDM3Niw3IEBAIHN0YXRpYyBjb25zdCBzdHJ1Y3QgYW1kZ3B1 X3JpbmdfZnVuY3MgZ2Z4X3Y5XzBfcmluZ19mdW5jc19jb21wdXRlID0gewogCS5zZXRfcHJpb3Jp dHkgPSBnZnhfdjlfMF9yaW5nX3NldF9wcmlvcml0eV9jb21wdXRlLAogCS5lbWl0X3dyZWcgPSBn ZnhfdjlfMF9yaW5nX2VtaXRfd3JlZywKIAkuZW1pdF9yZWdfd2FpdCA9IGdmeF92OV8wX3Jpbmdf ZW1pdF9yZWdfd2FpdCwKKwkuZW1pdF9yZWdfd2FpdDEgPSBnZnhfdjlfMF9yaW5nX2VtaXRfcmVn X3dhaXRfY29tcHV0ZSwKIH07CiAKIHN0YXRpYyBjb25zdCBzdHJ1Y3QgYW1kZ3B1X3JpbmdfZnVu Y3MgZ2Z4X3Y5XzBfcmluZ19mdW5jc19raXEgPSB7CmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9nbWNfdjlfMC5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ21j X3Y5XzAuYwppbmRleCA1MTc3MTJiLi42MGJlMWE4IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9nbWNfdjlfMC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2dtY192OV8wLmMKQEAgLTM4MCw3ICszODAsNiBAQCBzdGF0aWMgdm9pZCBnbWNfdjlfMF9mbHVz aF9ncHVfdGxiKHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2LAogCX0KIH0KIAotCiBzdGF0aWMg dWludDY0X3QgZ21jX3Y5XzBfZW1pdF9mbHVzaF9ncHVfdGxiKHN0cnVjdCBhbWRncHVfcmluZyAq cmluZywKIAkJCQkJICAgIHVuc2lnbmVkIHZtaWQsIHVpbnQ2NF90IHBkX2FkZHIpCiB7CkBAIC0z OTksMTEgKzM5OCwxNiBAQCBzdGF0aWMgdWludDY0X3QgZ21jX3Y5XzBfZW1pdF9mbHVzaF9ncHVf dGxiKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZywKIAlhbWRncHVfcmluZ19lbWl0X3dyZWcocmlu ZywgaHViLT5jdHgwX3B0Yl9hZGRyX2hpMzIgKyAoMiAqIHZtaWQpLAogCQkJICAgICAgdXBwZXJf MzJfYml0cyhwZF9hZGRyKSk7CiAKLQlhbWRncHVfcmluZ19lbWl0X3dyZWcocmluZywgaHViLT52 bV9pbnZfZW5nMF9yZXEgKyBlbmcsIHJlcSk7CiAKLQkvKiB3YWl0IGZvciB0aGUgaW52YWxpZGF0 ZSB0byBjb21wbGV0ZSAqLwotCWFtZGdwdV9yaW5nX2VtaXRfcmVnX3dhaXQocmluZywgaHViLT52 bV9pbnZfZW5nMF9hY2sgKyBlbmcsCi0JCQkJICAxIDw8IHZtaWQsIDEgPDwgdm1pZCk7CisJaWYg KHJpbmctPmZ1bmNzLT50eXBlID09IEFNREdQVV9SSU5HX1RZUEVfQ09NUFVURSkgeworCQlhbWRn cHVfcmluZ19lbWl0X3JlZ193YWl0MShyaW5nLCBodWItPnZtX2ludl9lbmcwX3JlcSArIGVuZywK KwkJCQkgICBodWItPnZtX2ludl9lbmcwX2FjayArIGVuZywgcmVxLCAxIDw8IHZtaWQpOworCX0g ZWxzZSB7CisJCWFtZGdwdV9yaW5nX2VtaXRfd3JlZyhyaW5nLCBodWItPnZtX2ludl9lbmcwX3Jl cSArIGVuZywgcmVxKTsKKwkJLyogd2FpdCBmb3IgdGhlIGludmFsaWRhdGUgdG8gY29tcGxldGUg Ki8KKwkJYW1kZ3B1X3JpbmdfZW1pdF9yZWdfd2FpdChyaW5nLCBodWItPnZtX2ludl9lbmcwX2Fj ayArIGVuZywKKwkJCSAgIDEgPDwgdm1pZCwgMSA8PCB2bWlkKTsKKwl9CiAKIAlyZXR1cm4gcGRf YWRkcjsKIH0KLS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1n ZngK