On Tue, 26 Jul 2022 at 19:06, Chris Murphy lists@colorremedies.com wrote:
b. Add a user space utility modifies system NVRAM such that the next boot (only) will directly boot the Windows bootloader.
In fwupd we add a BootXXXX target and sets BootNext to run the capsule update loader. 99.99% of the time it works just fine, ~0.01% of the time it corrupts all the other BootXXXX entries, including the default windows one. We support chainloading from grub for exactly this reason....
Richard