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Christophe Leroy 95902e6c88 powerpc/mm: Implement STRICT_KERNEL_RWX on PPC32 
This patch implements STRICT_KERNEL_RWX on PPC32.

As for CONFIG_DEBUG_PAGEALLOC, it deactivates BAT and LTLB mappings
in order to allow page protection setup at the level of each page.

As BAT/LTLB mappings are deactivated, there might be a performance
impact.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-08-15 22:55:57 +10:00
..
boot powerpc/8xx: Getting rid of remaining use of CONFIG_8xx 2017-08-10 23:32:12 +10:00
configs powerpc/44x/fsp2: Enable eMMC arasan for fsp2 platform 2017-08-10 22:30:04 +10:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-05-02 15:53:46 -07:00
include powerpc/mm: Fix kernel RAM protection after freeing unused memory on PPC32 2017-08-15 22:55:56 +10:00
kernel powerpc/mm: Implement STRICT_KERNEL_RWX on PPC32 2017-08-15 22:55:57 +10:00
kvm powerpc/mm: Update definitions of DSISR bits 2017-08-03 16:06:43 +10:00
lib powerpc/lib/sstep: Add isel instruction emulation 2017-08-10 22:30:29 +10:00
math-emu Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mm powerpc/mm: Implement STRICT_KERNEL_RWX on PPC32 2017-08-15 22:55:57 +10:00
net bpf: Add jited_len to struct bpf_prog 2017-06-06 15:41:24 -04:00
oprofile ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
perf powerpc/perf/imc: Fix nest events on muti socket system 2017-08-15 20:27:28 +10:00
platforms powerpc/chrp: Store the intended structure 2017-08-15 21:13:13 +10:00
purgatory powerpc: Fix invalid use of register expressions 2017-08-10 22:29:41 +10:00
sysdev powerpc/xmon: Exclude all of xmon from ftrace 2017-08-15 15:30:17 +10:00
tools powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00
xmon powerpc/xmon: Exclude all of xmon from ftrace 2017-08-15 15:30:17 +10:00
Kconfig powerpc/mm: Implement STRICT_KERNEL_RWX on PPC32 2017-08-15 22:55:57 +10:00
Kconfig.debug powerpc/xmon: Enable disassembly files (compilation changes) 2017-02-15 20:02:42 +11:00
Makefile powerpc/8xx: Getting rid of remaining use of CONFIG_8xx 2017-08-10 23:32:12 +10:00
Makefile.postlink powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00