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Bottomley" , Helge Deller , "Steven Rostedt (VMware)" , Kees Cook , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] parisc: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Message-ID: <20210224231151.GA222480@roeck-us.net> References: <20210224225706.2726050-1-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210224225706.2726050-1-samitolvanen@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 24, 2021 at 02:57:06PM -0800, Sami Tolvanen wrote: > 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 > Fixes: 3b15cdc15956 ("tracing: move function tracer options to Kconfig") > Signed-off-by: Sami Tolvanen Tested-by: Guenter Roeck Guenter > --- > arch/parisc/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig > index ecef9aff9d72..f56c67bbe495 100644 > --- a/arch/parisc/Kconfig > +++ b/arch/parisc/Kconfig > @@ -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 > > base-commit: 062c84fccc4444805738d76a2699c4d3c95184ec > -- > 2.30.0.617.g56c4b15f3c-goog >