diff options
| author | Peter Xu <[email protected]> | 2020-04-20 18:13:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-04-21 11:11:55 -0700 |
| commit | b64d8d1e1ba5ba041e4407056a723c25a7052c49 (patch) | |
| tree | 3096520959101dd8ff40939c8895e8d67492dc4d | |
| parent | 89b83f282d8ba380cf2124f88106c57df49c538c (diff) | |
mm/userfaultfd: disable userfaultfd-wp on x86_32
Userfaultfd-wp is not yet working on 32bit hosts, but it's accidentally
enabled previously. Disable it.
Fixes: 5a281062af1d ("userfaultfd: wp: add WP pagetable tracking to x86")
Reported-by: Naresh Kamboju <[email protected]>
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Peter Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Tested-by: Naresh Kamboju <[email protected]>
Reviewed-by: Andrea Arcangeli <[email protected]>
Cc: Hillf Danton <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/x86/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1d6104ea8af0..1197b5596d5a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -149,7 +149,7 @@ config X86 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if X86_64 - select HAVE_ARCH_USERFAULTFD_WP if USERFAULTFD + select HAVE_ARCH_USERFAULTFD_WP if X86_64 && USERFAULTFD select HAVE_ARCH_VMAP_STACK if X86_64 select HAVE_ARCH_WITHIN_STACK_FRAMES select HAVE_ASM_MODVERSIONS |