From: Herbert Xu Subject: Re: [PATCH 0/2] Change CCP ISR handler model Date: Mon, 24 Apr 2017 18:22:19 +0800 Message-ID: <20170424102219.GC20943@gondor.apana.org.au> References: <20170421151225.11643.91749.stgit@taos.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org, thomas.lendacky@amd.com, davem@davemloft.net To: Gary R Hook Return-path: Received: from [198.176.57.175] ([198.176.57.175]:47324 "EHLO deadmen.hmeau.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1168571AbdDXKim (ORCPT ); Mon, 24 Apr 2017 06:38:42 -0400 Content-Disposition: inline In-Reply-To: <20170421151225.11643.91749.stgit@taos.amd.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Fri, Apr 21, 2017 at 10:49:56AM -0500, Gary R Hook wrote: > he CCP has the ability to perform several operations > simultaneously, but only one interrupt. The current design > exposes a window when using MSI/MSI-X interrupts wherein > state can change but no interrupt is generated; this can > lead to a hang in the engine. Switch to a tasklet backend > which allows serializing state changes, handles processing > of the interrupts, and avoids the loss of task completion > status. > > --- > > Gary R Hook (2): > crypto: ccp - Change ISR handler method for a v3 CCP > crypto: ccp - Change ISR handler method for a v5 CCP All applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt