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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/mm/mem.c | |
| 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 '')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index f5535eae637f..ef7b1119b2e2 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -49,6 +49,7 @@ #include <asm/fixmap.h> #include <asm/swiotlb.h> #include <asm/rtas.h> +#include <asm/kasan.h> #include <mm/mmu_decl.h> @@ -301,6 +302,9 @@ void __init mem_init(void) high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); set_max_mapnr(max_pfn); + + kasan_late_init(); + memblock_free_all(); #ifdef CONFIG_HIGHMEM |