diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2021-11-08 18:33:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-09 10:02:50 -0800 |
| commit | a20deb3a348719adaf8c12e1bf4b599bfc51836e (patch) | |
| tree | e57341508425e6f3199c6dc8d2aafd3d677482a7 /kernel | |
| parent | e7d5c4b0eb9be6ea5c2cfb510a9d6f56925118eb (diff) | |
sections: move and rename core_kernel_data() to is_kernel_core_data()
Move core_kernel_data() into sections.h and rename it to
is_kernel_core_data(), also make it return bool value, then update all the
callers.
Link: https://lkml.kernel.org/r/20210930071143.63410-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexander Potapenko <glider@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/extable.c | 18 | ||||
| -rw-r--r-- | kernel/trace/ftrace.c | 2 |
2 files changed, 1 insertions, 19 deletions
diff --git a/kernel/extable.c b/kernel/extable.c index 290661f68e6b..0e3412b48bba 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -82,24 +82,6 @@ int notrace core_kernel_text(unsigned long addr) return 0; } -/** - * core_kernel_data - tell if addr points to kernel data - * @addr: address to test - * - * Returns true if @addr passed in is from the core kernel data - * section. - * - * Note: On some archs it may return true for core RODATA, and false - * for others. But will always be true for core RW data. - */ -int core_kernel_data(unsigned long addr) -{ - if (addr >= (unsigned long)_sdata && - addr < (unsigned long)_edata) - return 1; - return 0; -} - int __kernel_text_address(unsigned long addr) { if (kernel_text_address(addr)) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index feebf57c6458..7aaef2b78760 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -323,7 +323,7 @@ int __register_ftrace_function(struct ftrace_ops *ops) if (!ftrace_enabled && (ops->flags & FTRACE_OPS_FL_PERMANENT)) return -EBUSY; - if (!core_kernel_data((unsigned long)ops)) + if (!is_kernel_core_data((unsigned long)ops)) ops->flags |= FTRACE_OPS_FL_DYNAMIC; add_ftrace_ops(&ftrace_ops_list, ops); |