https://github.com/torvalds/linux
Revision e490520c902e06e837e07948f026e7949bb16007 authored by Kevin Hilman on 04 June 2018, 22:23:09 UTC, committed by Kevin Hilman on 27 June 2018, 23:48:25 UTC
Based on updated information from Amlogic, correct the register range for the SD/eMMC blocks to the right size. Reported-by: Yixun Lan <yixun.lan@amlogic.com> Tested-by: Yixun Lan <yixun.lan@amlogic.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
1 parent d5b4885
Tip revision: e490520c902e06e837e07948f026e7949bb16007 authored by Kevin Hilman on 04 June 2018, 22:23:09 UTC
ARM64: dts: meson: fix register ranges for SD/eMMC
ARM64: dts: meson: fix register ranges for SD/eMMC
Tip revision: e490520
Kconfig.kasan
config HAVE_ARCH_KASAN
bool
if HAVE_ARCH_KASAN
config KASAN
bool "KASan: runtime memory debugger"
depends on SLUB || (SLAB && !DEBUG_SLAB)
select CONSTRUCTORS
select STACKDEPOT
help
Enables kernel address sanitizer - runtime memory debugger,
designed to find out-of-bounds accesses and use-after-free bugs.
This is strictly a debugging feature and it requires a gcc version
of 4.9.2 or later. Detection of out of bounds accesses to stack or
global variables requires gcc 5.0 or later.
This feature consumes about 1/8 of available memory and brings about
~x3 performance slowdown.
For better error detection enable CONFIG_STACKTRACE.
Currently CONFIG_KASAN doesn't work with CONFIG_DEBUG_SLAB
(the resulting kernel does not boot).
config KASAN_EXTRA
bool "KAsan: extra checks"
depends on KASAN && DEBUG_KERNEL && !COMPILE_TEST
help
This enables further checks in the kernel address sanitizer, for now
it only includes the address-use-after-scope check that can lead
to excessive kernel stack usage, frame size warnings and longer
compile time.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 has more
choice
prompt "Instrumentation type"
depends on KASAN
default KASAN_OUTLINE
config KASAN_OUTLINE
bool "Outline instrumentation"
help
Before every memory access compiler insert function call
__asan_load*/__asan_store*. These functions performs check
of shadow memory. This is slower than inline instrumentation,
however it doesn't bloat size of kernel's .text section so
much as inline does.
config KASAN_INLINE
bool "Inline instrumentation"
help
Compiler directly inserts code checking shadow memory before
memory accesses. This is faster than outline (in some workloads
it gives about x2 boost over outline instrumentation), but
make kernel's .text size much bigger.
This requires a gcc version of 5.0 or later.
endchoice
config TEST_KASAN
tristate "Module for testing kasan for bug detection"
depends on m && KASAN
help
This is a test module doing various nasty things like
out of bounds accesses, use after free. It is useful for testing
kernel debugging features like kernel address sanitizer.
endif
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