Linux UEFI systemd patch goes upstream

The Linux patch that protects from EFI and systemd is going upstream:

https://news.ycombinator.com/item?id=11152880

Merge branch ‘x86-urgent-for-linus’ of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:

“This is unusually large, partly due to the EFI fixes that prevent accidental deletion of EFI variables through efivarfs that may brick machines.  These fixes are somewhat involved to maintain compatibility with existing install methods and other usage modes, while trying to turn off the ‘rm -rf’ bricking vector.

Other fixes are for large page ioremap()s and for non-temporal user-memcpy()s”

* ‘x86-urgent-for-linus’ of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Fix vmalloc_fault() to handle large pages properly
  hpet: Drop stale URLs
  x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __copy_user_nocache()
  x86/uaccess/64: Make the __copy_user_nocache() assembly code more readable
  lib/ucs2_string: Correct ucs2 -> utf8 conversion
  efi: Add pstore variables to the deletion whitelist
  efi: Make efivarfs entries immutable by default
  efi: Make our variable validation list include the guid
  efi: Do variable name validation tests in utf8
  efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
  lib/ucs2_string: Add ucs2 -> utf8 helper functions

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0389075ecfb6231818de9b0225d3a5a21a661171

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