APPLIED[D/Unstable]: [PATCH] [B-C-D/master][SRU] efi/arm/arm64: Allow SetVirtualAddressMap() to be omitted

Seth Forshee seth.forshee at canonical.com
Fri Feb 22 10:42:46 UTC 2019


On Wed, Feb 20, 2019 at 03:51:33PM +0100, Paolo Pisati wrote:
> BugLink: https://bugs.launchpad.net/bugs/1814982
> 
> [Impact]
> 
> The Ubuntu kernel is not currently bootable on various arm64 laptops
> (HP Envy x2, Asus NovaGo, Lenovo Miix 630, Lenovo Yoga C630, Samsung ...)
> because of EFI memory permissions/restrictions. The reason is explained in the
> commit supplied below.
> 
> [Test Case]
> 
> Install and boot Ubuntu on one of the above arm64 laptops.
> 
> [Fix]
> 
> Committed upstream:
> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=4e46c2a956215482418d7b315749fb1b6c6bc224
> 
> [Regression Risk]
> 
> This commit adds support for an optional kernel command line
> parameter, off by default.
> 
> Clean cherry-pick, the patch is queued for 5.1 and the reporter has tested it
> (and reported to be working) on one of the above arm64 laptop.

Applied to disco and unstable with the "cherry picked from ..." line
fixed up to specify the tree this patch came from. Thanks!



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