Messages in this thread | | | From | Arnd Bergmann <> | Date | Thu, 12 Dec 2019 10:59:40 +0100 | Subject | Re: [PATCH] gcc-plugins: make it possible to disable CONFIG_GCC_PLUGINS again |
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On Thu, Dec 12, 2019 at 5:52 AM Masahiro Yamada <masahiroy@kernel.org> wrote: > > On Wed, Dec 11, 2019 at 10:40 PM Arnd Bergmann <arnd@arndb.de> wrote: > > > > I noticed that randconfig builds with gcc no longer produce a lot of > > ccache hits, unlike with clang, and traced this back to plugins > > now being enabled unconditionally if they are supported. > > > > I am now working around this by adding > > > > export CCACHE_COMPILERCHECK=/usr/bin/size -A %compiler% > > > > to my top-level Makefile. This changes the heuristic that ccache uses > > to determine whether the plugins are the same after a 'make clean'. > > > > However, it also seems that being able to just turn off the plugins is > > generally useful, at least for build testing it adds noticeable overhead > > but does not find a lot of bugs additional bugs, and may be easier for > > ccache users than my workaround. > > > > Fixes: 9f671e58159a ("security: Create "kernel hardening" config area") > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
On Wed, Dec 11, 2019 at 2:59 PM Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote: >Acked-by: Ard Biesheuvel <ardb@kernel.org>
Thanks! Who would be the best person to pick up the patch? Should I send it to Andrew?
Arnd
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