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EFI updates for v7.3

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- Set a timeout for EFI runtime service completions, and declare the
   firmware wedged if it is exceeded. Note that this requires special
   handling in case the firmware does return after all.
 
 - Rate limit the efivarfs statfs() handler as the QueryVariableInfo()
   runtime service can be costly
 
 - Sanity check the size of struct properties_header on Mac/x86
 
 - Tweak the prototype of efi_guid_to_str()
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Merge tag 'efi-next-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI updates from Ard Biesheuvel:

 - Set a timeout for EFI runtime service completions, and declare the
   firmware wedged if it is exceeded. Note that this requires special
   handling in case the firmware does return after all

 - Rate limit the efivarfs statfs() handler as the QueryVariableInfo()
   runtime service can be costly

 - Sanity check the size of struct properties_header on Mac/x86

 - Tweak the prototype of efi_guid_to_str()

* tag 'efi-next-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efivarfs: Rate limit statfs() handler
  efi: apple-properties: validate setup data header length
  efi: make efi_guid_to_str() take a const GUID pointer
  efi/runtime-wrappers: retire the worker if a wedged call ever returns
  efi/runtime-wrappers: honour EFI_RUNTIME_SERVICES in the non-blocking paths
  efi/runtime-wrappers: bound the wait for EFI runtime service calls
  efi/runtime-wrappers: check EFI_RUNTIME_SERVICES before using efi_rts_work
  efi/runtime-wrappers: handle queue_work() failure with goto exit
  efi/runtime-wrappers: factor out efi_rts_park_worker()
  efi: fix stale reference to efi_recover_from_page_fault()
This commit is contained in:
Linus Torvalds 2026-08-23 09:24:34 -07:00
commit 388b607d10
6 changed files with 95 additions and 28 deletions
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