diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-26 18:23:32 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-02 17:20:26 +0200 |
| commit | b4abe38fd698ace6942edeeb79a5b8a60a7af4fa (patch) | |
| tree | 144790e1e4be1cbcffdc1425eda2606f0a3c3259 /arch/powerpc/mm/ptdump | |
| parent | powerpc/32: make KVIRT_TOP dependent on FIXMAP_START (diff) | |
| download | linux-b4abe38fd698ace6942edeeb79a5b8a60a7af4fa.tar.xz linux-b4abe38fd698ace6942edeeb79a5b8a60a7af4fa.zip | |
powerpc/32: prepare shadow area for KASAN
This patch prepares a shadow area for KASAN.
The shadow area will be at the top of the kernel virtual
memory space above the fixmap area and will occupy one
eighth of the total kernel virtual memory space.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/ptdump')
| -rw-r--r-- | arch/powerpc/mm/ptdump/ptdump.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 63fc56feea15..48135ba6fa74 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -101,6 +101,10 @@ static struct addr_marker address_markers[] = { { 0, "Fixmap start" }, { 0, "Fixmap end" }, #endif +#ifdef CONFIG_KASAN + { 0, "kasan shadow mem start" }, + { 0, "kasan shadow mem end" }, +#endif { -1, NULL }, }; @@ -323,6 +327,10 @@ static void populate_markers(void) #endif address_markers[i++].start_address = FIXADDR_START; address_markers[i++].start_address = FIXADDR_TOP; +#ifdef CONFIG_KASAN + address_markers[i++].start_address = KASAN_SHADOW_START; + address_markers[i++].start_address = KASAN_SHADOW_END; +#endif #endif /* CONFIG_PPC64 */ } |