Re: [Xen-devel] [PATCH][XEN] Don't throw away cmdline parameter

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 20/10/08 14:23, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote:

> attach patch avoids throwing away the first cmdline parameter.
> It contains the dom0 kernel filename.
> 
> On NetBSD, this is used to set sysctl.booted_kernel
> This sysctl entry is used by the kvm framework
> (http://netbsd.gw.com/cgi-bin/man-cgi?kvm+3+NetBSD-current)
> and savecore (http://netbsd.gw.com/cgi-bin/man-cgi?savecore+8+NetBSD-current).
> The kvm framework is used by almost all system utilities.
> 
> Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>

Doing this would make dom0 start_info format differ from domU start_info
format. If an accurate filename is actually useful then I'd consider making
an extension to start_info format (e.g., an extra SIF_ flag and use that to
indicate an extra string appended to cmd_line[] containing the kernel
filename). Or those who do care can explicitly duplicate the filename into
the cmdline in their domain config file or bootloader config file.

 -- Keir



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