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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2020-01-14 17:54:00 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-01-27 22:37:33 +1100 |
| commit | 3d4247fcc938d0ab5cf6fdb752dae07fdeab9736 (patch) | |
| tree | 7f4743175d8918073dde336c10cd68b12afe7507 /arch/powerpc/Kconfig | |
| parent | powerpc/mm: Don't log user reads to 0xffffffff (diff) | |
| download | linux-dev-3d4247fcc938d0ab5cf6fdb752dae07fdeab9736.tar.xz linux-dev-3d4247fcc938d0ab5cf6fdb752dae07fdeab9736.zip | |
powerpc/32: Add support of KASAN_VMALLOC
Add support of KASAN_VMALLOC on PPC32.
To allow this, the early shadow covering the VMALLOC space
need to be removed once high_memory var is set and before
freeing memblock.
And the VMALLOC area need to be aligned such that boundaries
are covered by a full shadow page.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/031dec5487bde9b2181c8b3c9800e1879cf98c1a.1579024426.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 6093c48976bf..a7f10a1b79f7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -173,6 +173,7 @@ config PPC select HAVE_ARCH_HUGE_VMAP if PPC_BOOK3S_64 && PPC_RADIX_MMU select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_KASAN if PPC32 + select HAVE_ARCH_KASAN_VMALLOC if PPC32 select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT |