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- drop unneeded Kconfig "select BUG" (Kamal Mostafa)

Browse source 
- add "hardened_usercopy=off" rare performance needs (Chris von Recklinghausen)
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Merge tag 'hardened-usercopy-v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardened usercopy updates from Kees Cook:
 "This cleans up a minor Kconfig issue and adds a kernel boot option for
  disabling hardened usercopy for distro users that may have corner-case
  performance issues (e.g. high bandwidth small-packet UDP traffic).

  Summary:

   - drop unneeded Kconfig "select BUG" (Kamal Mostafa)

   - add "hardened_usercopy=off" rare performance needs (Chris von
     Recklinghausen)"

* tag 'hardened-usercopy-v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  usercopy: Allow boot cmdline disabling of hardening
  usercopy: Do not select BUG with HARDENED_USERCOPY
This commit is contained in:
Linus Torvalds 2018-08-15 08:45:54 -07:00
commit 8c479c2c0f
4 changed files with 42 additions and 1 deletions
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1
security/Kconfig
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@ -153,7 +153,6 @@ config HAVE_HARDENED_USERCOPY_ALLOCATOR
config HARDENED_USERCOPY
bool "Harden memory copies between kernel and userspace"
depends on HAVE_HARDENED_USERCOPY_ALLOCATOR
select BUG
imply STRICT_DEVMEM
help
This option checks for obviously wrong memory regions when