From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50F30CB8.7000001@zultron.com> Date: Sun, 13 Jan 2013 13:36:24 -0600 From: John Morris MIME-Version: 1.0 References: <50F19CE1.5080106@zultron.com> <50F1B37E.3030502@xenomai.org> <50F23AA2.3080102@zultron.com> <50F2BC64.408@xenomai.org> In-Reply-To: <50F2BC64.408@xenomai.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: [Xenomai] SMI workarounds in one-size-fits-all kernel packages (Was: Re: Kernel OOPS during regression tests) List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: Xenomai On 01/13/2013 07:53 AM, Gilles Chanteperdrix wrote: > On 01/13/2013 05:40 AM, John Morris wrote: > >> >> >> On 01/12/2013 01:03 PM, Gilles Chanteperdrix wrote: >>> On 01/12/2013 06:26 PM, John Morris wrote:> >>> >>>> The kernel is built from the elrepo.org kernel, and this config file >>>> overrides the upstream config; makes it easy to see the Xenomai-specific >>>> changes: >>>> https://github.com/zultron/kernel-ml/blob/branch3.5.3-xeno/config-3.5.3-xenomai-x86_64 >>> >>> >>> It seems a really bad idea to enable the SMI workaround by default. >>> >> >> Thanks! Despite feeling uncomfortable contradicting the documentation, >> I was encouraged to turn this on by someone more authoritative than me. >> It does seem like a separate package with it turned on is warranted for >> those who have problems and have been fairly warned about the risk. > > > I guess we should turn the compile-time option into a kernel parameter. > So, the smi workaround would be disabled by default, and only enabled > when passing a kerne command-line option. That would be ideal! John