lkml.org 
[lkml]   [2009]   [May]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 1/5] KERNEL: Support asynchronously-discovered boot devices, v4 (resend)
    On Fri, 1 May 2009 09:58:03 -0700
    David VomLehn <dvomlehn@cisco.com> wrote:

    > On Thu, Apr 30, 2009 at 02:54:12PM -0700, Andrew Morton wrote:
    > > On Thu, 30 Apr 2009 17:19:34 -0400 (EDT)
    > > Alan Stern <stern@rowland.harvard.edu> wrote:
    > >
    > > > > I wonder if we can think of something more new ad unique. startupdev? yuk.
    > > >
    > > > Initdev? Or does that mean something else also?
    > ...
    > > initdev sounds good to me. Given that we're adding a new and distinct
    > > concept which will remain with us for a long time, we should name it
    > > with care.
    >
    > Yes, we do need a good name, so we are now guaranteed to be entering
    > the Bike Shed Zone.

    Getting the name right is important! We live with the decision daily,
    for years.

    > Personally, I'm fine with initdev and will assume this
    > is the name going forward. I'll tweak the patches appropriately.

    OK.

    > > > Really, these are devices that we want to have working before starting
    > > > up any userspace processes. These would be the console device(s) (so
    > > > that the first process has open files for its stdin, stdout, and
    > > > stderr) and the block device containing the root filesystem (if the
    > > > initramfs image doesn't make its own arrangements).
    > >
    > > OK, so "initdev" could be viewed as meaning "a device which /sbin/init
    > > needs"? Even I can understand that.
    > >
    > > But /sbin/init isn't the first userspace we run, is it? There's
    > > initramfs stuff, firmware loaders, etc.
    > >
    > > What's the story here? Do we intend that all initdevs be up and
    > > running before _any_ userspace runs? Or is /sbin/init the red line?
    >
    > I've avoided making any guarantees about this, but /sbin/init is implicitly
    > the red line. If we make this explicit, we're probably back in the vicinity
    > of the bike shed, but this should help frame any subsequent discussion
    > in a concrete manner.

    Well, decisions which are made here can make the difference between
    "computer boots" and "computer doesn't boot". That ain't bikeshed
    painting.



    \
     
     \ /
      Last update: 2009-05-01 22:29    [W:0.026 / U:0.256 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site