ACK: [PULL][linux-aws] Disable many ACPI features, Nouveau, gpiolib, pinctrl

Seth Forshee seth.forshee at canonical.com
Thu May 11 14:56:28 UTC 2017


On Mon, May 08, 2017 at 01:52:28PM -0700, Kamal Mostafa wrote:
> BugLink: https://bugs.launchpad.net/bugs/1689372
> BugLink: https://bugs.launchpad.net/bugs/1689373
> BugLink: https://bugs.launchpad.net/bugs/1689374
> 
> Colin King has demonstrated measurable boot speed improvements (up to 3%)
> by disabling many ACPI features not used by cloud kernels.  That work also
> allows us to unhook additional unused subsystems (Nouveau, gpiolib, pincntrl).
> Disk space utilization of the kernel is reduced:
>   /boot by ~200KB
>   /lib/modules by ~170 Kb
> 
> Note that a 'Start new release' commit is also included here, since the
> disabled modules need to be removed from the (proper) ABI.

Acked-by: Seth Forshee <seth.forshee at canonical.com>




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