parisc: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
authorSami Tolvanen <samitolvanen@google.com>
Wed, 24 Feb 2021 22:57:06 +0000 (14:57 -0800)
committerKees Cook <keescook@chromium.org>
Thu, 25 Feb 2021 20:20:51 +0000 (12:20 -0800)
parisc uses -fpatchable-function-entry with dynamic ftrace, which means we
don't need recordmcount. Select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
to tell that to the build system.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 3b15cdc15956 ("tracing: move function tracer options to Kconfig")
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210224225706.2726050-1-samitolvanen@google.com
arch/parisc/Kconfig

index 78b1762..0ebde05 100644 (file)
@@ -61,6 +61,7 @@ config PARISC
        select HAVE_KRETPROBES
        select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
        select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE
+       select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
        select HAVE_KPROBES_ON_FTRACE
        select HAVE_DYNAMIC_FTRACE_WITH_REGS
        select SET_FS