On Mon, Jun 08, 2020 at 01:57:08PM -0700, Nick Desaulniers wrote: > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 7f9d38444d6d..fe9e6b231cac 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1299,6 +1299,14 @@ config COMPAT_VDSO > You must have a 32-bit build of glibc 2.22 or later for programs > to seamlessly take advantage of this. > > +config THUMB2_COMPAT_VDSO > + bool "Compile the vDSO in THUMB2 mode" > + depends on COMPAT_VDSO > + default y > + help > + Compile the compat vDSO with -mthumb -fomit-frame-pointer if y, > otherwise > + as -marm.
Now that we understood the issue (I think), do we actually need this choice? Why not going for -mthumb -fomit-frame-pointer always for the compat vdso? -- Catalin
