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Marco Elver 36be5cba99 kasan: treat meminstrinsic as builtins in uninstrumented files 
Where the compiler instruments meminstrinsics by generating calls to
__asan/__hwasan_ prefixed functions, let the compiler consider
memintrinsics as builtin again.

To do so, never override memset/memmove/memcpy if the compiler does the
correct instrumentation - even on !GENERIC_ENTRY architectures.

[elver@google.com: powerpc: don't rename memintrinsics if compiler adds prefixes]
  Link: https://lore.kernel.org/all/20230224085942.1791837-1-elver@google.com/ [1]
  Link: https://lkml.kernel.org/r/20230227094726.3833247-1-elver@google.com
Link: https://lkml.kernel.org/r/20230224085942.1791837-2-elver@google.com
Fixes: 69d4c0d321 ("entry, kasan, x86: Disallow overriding mem*() functions")
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jakub Jelinek <jakub@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-03-02 21:54:22 -08:00
arch We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
block
certs
crypto
Documentation We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
drivers We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
fs ocfs2: fix non-auto defrag path not working issue 2023-02-27 17:00:15 -08:00
include mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON 2023-02-27 17:00:14 -08:00
init
io_uring
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel probes cleanup updates for v6.3: 2023-02-25 13:06:28 -08:00
lib kasan: treat meminstrinsic as builtins in uninstrumented files 2023-03-02 21:54:22 -08:00
LICENSES
mm kasan: treat meminstrinsic as builtins in uninstrumented files 2023-03-02 21:54:22 -08:00
net
rust
samples VFIO updates for v6.3-rc1 2023-02-25 11:52:57 -08:00
scripts kasan: treat meminstrinsic as builtins in uninstrumented files 2023-03-02 21:54:22 -08:00
security powerpc updates for 6.3 2023-02-25 11:00:06 -08:00
sound soundwire updates for 6.3 2023-02-24 17:29:52 -08:00
tools virtio,vhost,vdpa: features, fixes 2023-02-25 11:48:02 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: map Georgi Djakov's old Linaro address to his current one 2023-02-27 17:00:15 -08:00
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
Makefile
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.