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Wed, 24 Feb 2021 14:28:09 -0800 (PST) Date: Wed, 24 Feb 2021 14:28:07 -0800 From: Guenter Roeck To: Kees Cook Subject: Re: [PATCH v9 01/16] tracing: move function tracer options to Kconfig (causing parisc build failures) Message-ID: <20210224222807.GA74404@roeck-us.net> References: <20201211184633.3213045-1-samitolvanen@google.com> <20201211184633.3213045-2-samitolvanen@google.com> <20210224201723.GA69309@roeck-us.net> <202102241238.93BC4DCF@keescook> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <202102241238.93BC4DCF@keescook> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210224_172812_342741_8A451D9F X-CRM114-Status: GOOD ( 23.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-parisc@vger.kernel.org, "Paul E. McKenney" , kernel-hardening@lists.openwall.com, Peter Zijlstra , Greg Kroah-Hartman , Masahiro Yamada , linux-kbuild@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, Steven Rostedt , clang-built-linux@googlegroups.com, linux-pci@vger.kernel.org, Sami Tolvanen , Josh Poimboeuf , Will Deacon , Helge Deller , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 24, 2021 at 12:38:54PM -0800, Kees Cook wrote: > On Wed, Feb 24, 2021 at 12:17:23PM -0800, Guenter Roeck wrote: > > On Fri, Dec 11, 2020 at 10:46:18AM -0800, Sami Tolvanen wrote: > > > Move function tracer options to Kconfig to make it easier to add > > > new methods for generating __mcount_loc, and to make the options > > > available also when building kernel modules. > > > > > > Note that FTRACE_MCOUNT_USE_* options are updated on rebuild and > > > therefore, work even if the .config was generated in a different > > > environment. > > > > > > Signed-off-by: Sami Tolvanen > > > Acked-by: Steven Rostedt (VMware) > > > > With this patch in place, parisc:allmodconfig no longer builds. > > > > Error log: > > Arch parisc is not supported with CONFIG_FTRACE_MCOUNT_RECORD at scripts/recordmcount.pl line 405. > > make[2]: *** [scripts/mod/empty.o] Error 2 > > > > Due to this problem, CONFIG_FTRACE_MCOUNT_RECORD can no longer be > > enabled in parisc builds. Since that is auto-selected by DYNAMIC_FTRACE, > > DYNAMIC_FTRACE can no longer be enabled, and with it everything that > > depends on it. > > Ew. Any idea why this didn't show up while it was in linux-next? > It did, I just wasn't able to bisect it there. Guenter _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel