From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: dmaengine: pl330: fix a race condition in case of threaded irqs From: Vinod Koul Message-Id: <20180306115153.GS15443@localhost> Date: Tue, 6 Mar 2018 17:21:54 +0530 To: Qi Hou Cc: dan.j.williams@intel.com, fmh6jj@gmail.com, fmhess@users.sourceforge.net, jassisinghbrar@gmail.com, rmk+kernel@arm.linux.org.uk, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVHVlLCBNYXIgMDYsIDIwMTggYXQgMDk6MTM6MzdBTSArMDgwMCwgUWkgSG91IHdyb3RlOgo+ IFdoZW4gYm9vdGluZyB1cCB3aXRoICJ0aHJlYWRpcnFzIiBpbiBjb21tYW5kIGxpbmUsIGFsbCBp cnEgaGFuZGxlcnMgb2YgdGhlIERNQQo+IGNvbnRyb2xsZXIgcGwzMzAgd2lsbCBiZSB0aHJlYWRl ZCBmb3JjZWRseS4gVGhlc2UgdGhyZWFkcyB3aWxsIHJhY2UgZm9yIHRoZSBzYW1lCj4gbGlzdCwg cGwzMzAtPnJlcV9kb25lLgo+IAo+IEJlZm9yZSB0aGUgY2FsbGJhY2ssIHRoZSBzcGlubG9jayB3 YXMgcmVsZWFzZWQuIEFuZCBhZnRlciBpdCwgdGhlIHNwaW5sb2NrIHdhcwo+IHRha2VuLiBUaGlz IG9wZW5lZCBhbiByYWNlIHdpbmRvdyB3aGVyZSBhbm90aGVyIHRocmVhZGVkIGlycSBoYW5kbGVy IGNvdWxkIHN0ZWFsCj4gdGhlIHNwaW5sb2NrIGFuZCBiZSBwZXJtaXR0ZWQgdG8gZGVsZXRlIGVu dHJpZXMgb2YgdGhlIGxpc3QsIHBsMzMwLT5yZXFfZG9uZS4KPiAKPiBJZiB0aGUgbGF0ZXIgZGVs ZXRlZCBhbiBlbnRyeSB0aGF0IHdhcyBzdGlsbCByZWZlcnJlZCB0byBieSB0aGUgZm9ybWVyLCB0 aGVyZSB3b3VsZAo+IGJlIGEga2VybmVsIHBhbmljIHdoZW4gdGhlIGZvcm1lciB3YXMgc2NoZWR1 bGVkIGFuZCB0cmllZCB0byBnZXQgdGhlIG5leHQgc2libGluZwo+IG9mIHRoZSBkZWxldGVkIGVu dHJ5LgoKQXBwbGllZCwgdGhhbmtzCg==