From mboxrd@z Thu Jan 1 00:00:00 1970 From: Khalid Aziz Date: Wed, 22 Apr 2015 23:30:21 +0000 Subject: Re: [PATCH] sparc: perf: Add support M7 processor Message-Id: <55382F0D.7060905@oracle.com> List-Id: References: <1426795597-135713-1-git-send-email-david.ahern@oracle.com> In-Reply-To: <1426795597-135713-1-git-send-email-david.ahern@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org On 04/22/2015 04:51 PM, David Miller wrote: > > David, are there any major M7 patches remaining for basic > functionality? > There is one more patch I am working on that would be part of basic functionality. M7 introduces the register MCDPER which determines whether a precise or a disrupting exception will be delivered to a task when it encounters MCD error. This should be a per task value and hence will need to become part of task context (thread info flags maybe). I am working on code to save and restore this register on context switches, and propagate it on task dup. -- Khalid