powerpc/32: prepare shadow area for KASAN
authorChristophe Leroy <christophe.leroy@c-s.fr>
Fri, 26 Apr 2019 16:23:32 +0000 (16:23 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 2 May 2019 15:20:26 +0000 (01:20 +1000)
commitb4abe38fd698ace6942edeeb79a5b8a60a7af4fa
tree144790e1e4be1cbcffdc1425eda2606f0a3c3259
parenta67beca077ef79e971443aa6af6b14d4b3fb3bd6
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>
arch/powerpc/Kconfig.debug
arch/powerpc/include/asm/fixmap.h
arch/powerpc/include/asm/kasan.h
arch/powerpc/mm/mem.c
arch/powerpc/mm/ptdump/ptdump.c