Messages in this thread | | | From | Masahiro Yamada <> | Date | Tue, 28 Jan 2020 12:27:26 +0900 | Subject | Re: [RFC v1 1/2] kbuild: add arch specific dependency for BTF support |
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Hi.
On Tue, Jan 28, 2020 at 4:36 AM Brendan Higgins <brendanhiggins@google.com> wrote: > > Some archs (like UM) do not build with CONFIG_DEBUG_INFO_BTF=y, so add > an options for archs to select to opt-in or out of BTF typeinfo support.
Could you use a different subject prefix (e.g. "btf:") ?
This is unrelated to kbuild.
Thanks.
> Signed-off-by: Brendan Higgins <brendanhiggins@google.com> > --- > lib/Kconfig.debug | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index e4676b992eae9..f5bcb391f1b7d 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -238,9 +238,12 @@ config DEBUG_INFO_DWARF4 > But it significantly improves the success of resolving > variables in gdb on optimized code. > > +config ARCH_NO_BTF_TYPEINFO > + bool > + > config DEBUG_INFO_BTF > bool "Generate BTF typeinfo" > - depends on DEBUG_INFO > + depends on DEBUG_INFO && !ARCH_NO_BTF_TYPEINFO > help > Generate deduplicated BTF type information from DWARF debug info. > Turning this on expects presence of pahole tool, which will convert > -- > 2.25.0.341.g760bfbb309-goog >
-- Best Regards Masahiro Yamada
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