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Linus Torvalds ea185bdedb EFI fixes for v6.14 #2
- Fix CPER error record parsing bugs
 
 - Fix a couple of efivarfs issues that were introduced in the merge
   window
 
 - Fix an issue in the early remapping code of the MOKvar table
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Merge tag 'efi-fixes-for-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:
 "Another couple of EFI fixes for v6.14.

  Only James's patch stands out, as it implements a workaround for odd
  behavior in fwupd in user space, which creates EFI variables by
  touching a file in efivarfs, clearing the immutable bit (which gets
  set automatically for $reasons) and then opening it again for writing,
  none of which is really necessary.

  The fwupd author and LVFS maintainer is already rolling out a fix for
  this on the fwupd side, and suggested that the workaround in this PR
  could be backed out again during the next cycle.

  (There is a semantic mismatch in efivarfs where some essential
  variable attributes are stored in the first 4 bytes of the file, and
  so zero length files cannot exist, as they cannot be written back to
  the underlying variable store. So now, they are dropped once the last
  reference is released.)

  Summary:

   - Fix CPER error record parsing bugs

   - Fix a couple of efivarfs issues that were introduced in the merge
     window

   - Fix an issue in the early remapping code of the MOKvar table"

* tag 'efi-fixes-for-v6.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi/mokvar-table: Avoid repeated map/unmap of the same page
  efi: Don't map the entire mokvar table to determine its size
  efivarfs: allow creation of zero length files
  efivarfs: Defer PM notifier registration until .fill_super
  efi/cper: Fix cper_arm_ctx_info alignment
  efi/cper: Fix cper_ia_proc_ctx alignment
History 2025-02-28 08:47:21 -08:00
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