On Thu, Sep 26, 2019 at 10:43:39PM +0100, Vincenzo Frascino wrote: > As reported by Will Deacon, older versions of binutils that do not > support certain types of memory barriers can cause build failure of the > vdso32 library. > > Add a compilation time mechanism that detects if binutils supports those > instructions and configure the kernel accordingly. > > Cc: Will Deacon <w...@kernel.org> > Cc: Catalin Marinas <catalin.mari...@arm.com> > Signed-off-by: Vincenzo Frascino <vincenzo.frasc...@arm.com>
Reviewed-by: Catalin Marinas <catalin.mari...@arm.com>