[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: Setting boot verbosity in the kernel config
On Thu, Apr 24, 2008 at 5:06 AM, Stephen Borrill
> In an embedded or customer-facing product, we don't want the kernel autoconf
> messages welcoming them. That's what boot -z is aim at. Due to incomplete
> aprint_* conversion, it's currently less than successful, but that's not my
> problem here (I use a local hack that basically makes printf() a copy of
> I want to be able to set the boot verbosity in the kernel configuration and
> not have to hack the bootloader to pass the appropriate boot flags.
> I also want the option to go back to normal or verbose mode from the
> bootloader if I wish.
> So I've created a patch which provides something like:
> options BOOT_VERBOSITY="AB_SILENT"
> The option is ORed with boothowto. It adds a AB_FORCENORMAL flag too which
> clears boothowto first. This can be used in both the kernel config and
> access with a new -n flag in the boot loader.
> This means you can use BOOT_VERBOSITY="AB_SILENT" and then go back to
> normal with boot -n. Or if you want to stop the bootloader overriding it at
> all you can use BOOT_VERBOSITY="AB_SILENT|AB_FORCENORMAL".
> The patch is here:
> It's incomplete in that I've not updated the usage() text in the various
> bootloaders that use it to reflect the new flag.
Nice. Have you used this with vesafb/splashscreen?
Main Index |
Thread Index |