Kexec command line length
Neil Horman
nhorman at redhat.com
Mon Jan 14 10:40:11 EST 2008
On Mon, Jan 14, 2008 at 03:50:15PM +0100, Bernhard Walle wrote:
> * Neil Horman <nhorman at tuxdriver.com> [2008-01-14 14:43]:
> > Hey all-
> > Regarding this bug:
> > http://bugzilla.kernel.org/show_bug.cgi?id=9641
> > I'd like to look into putting together a patch for it, and wanted to
> > solicit comments for the best way to go about doing it. Currently I've got it
> > fixed up in the Red Hat tree by bumping COMMAND_LINE_SIZE to 2048 and
> > eliminating the reserved buffer of the x86_linux_faked_param_header, which works
> > well, but isn't backwards compatible as Bernhard pointed out. Given that extra
> > constraint, I thought it woudl e best to unify the command line and reserved
> > buffers in x86_linux_faked_param_header to one contiguour 2048 byte block and
> > maintain a separate variable that defines the command line length based on a
> > parsing of the UTS_VERSION. Does that sound reasonable to everyone, or is there
> > a better way that someone has in mind?
>
> For bzImage we can take the size in the header (that's also better for
> the future).
>
Ok, but thats just one case, what about the other 4 image types that we support?
Regards
Neil
>
> Bernhard
>
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*Neil Horman
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*Red Hat, Inc.
*nhorman at redhat.com
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