OpenCloudOS-Kernel/arch/powerpc
Marco Elver 90db9dbedd kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
With appropriate compiler support [1], KASAN builds use __asan prefixed
meminstrinsics, and KASAN no longer overrides memcpy/memset/memmove.

If compiler support is detected (CC_HAS_KASAN_MEMINTRINSIC_PREFIX), define
memintrinsics normally (do not prefix '__').

On powerpc, KASAN is the only user of __mem functions, which are used to
define instrumented memintrinsics.  Alias the normal versions for KASAN to
use in its implementation.

Link: https://lore.kernel.org/all/20230224085942.1791837-1-elver@google.com/ [1]
Link: https://lore.kernel.org/oe-kbuild-all/202302271348.U5lvmo0S-lkp@intel.com/
Link: https://lkml.kernel.org/r/20230227094726.3833247-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>	[powerpc]
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-03-23 17:18:33 -07:00
..
boot powerpc: dts: t1040rdb: enable both CPU ports 2023-02-28 14:13:32 -08:00
configs eth: fealnx: bring back this old driver 2023-03-08 23:22:04 -08:00
crypto crypto: powerpc - Use address generation helper for asm 2023-02-10 22:17:36 +11:00
include kasan, powerpc: don't rename memintrinsics if compiler adds prefixes 2023-03-23 17:18:33 -07:00
kernel kasan, powerpc: don't rename memintrinsics if compiler adds prefixes 2023-03-23 17:18:33 -07:00
kexec powerpc/kexec_file: print error string on usable memory property update failure 2023-02-15 23:14:06 +11:00
kvm ARM: 2023-02-25 11:30:21 -08:00
lib powerpc/kcsan: Add exclusions from instrumentation 2023-02-10 22:19:56 +11:00
math-emu powerpc/math-emu: Inhibit W=1 warnings 2022-09-08 11:11:18 +10:00
mm powerpc/mm: Fix false detection of read faults 2023-03-15 20:48:53 +11:00
net powerpc/bpf/32: perform three operands ALU operations 2023-02-10 22:17:35 +11:00
perf powerpc updates for 6.3 2023-02-25 11:00:06 -08:00
platforms powerpc/pseries: RTAS work area requires GENERIC_ALLOCATOR 2023-03-14 23:03:36 +11:00
purgatory powerpc/kcsan: Add exclusions from instrumentation 2023-02-10 22:19:56 +11:00
sysdev powerpc/rtas: arch-wide function token lookup conversions 2023-02-13 22:35:03 +11:00
tools powerpc/64: Add UADDR64 relocation support 2022-03-09 21:47:53 +11:00
xmon cpumask: fix incorrect cpumask scanning result checks 2023-03-06 12:15:13 -08:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig powerpc: Avoid dead code/data elimination when using recordmcount 2023-02-28 14:32:34 +11:00
Kconfig.debug powerpc: Add support for early debugging via Serial 16550 console 2022-09-28 19:22:09 +10:00
Makefile Kbuild updates for v6.3 2023-02-26 11:53:25 -08:00
Makefile.postlink kbuild: remove --include-dir MAKEFLAG from top Makefile 2023-02-05 18:51:22 +09:00