Re: [PATCH 4/4] arm64: drop binutils version checks

[Arnd Bergmann]

On Tue, Apr 8, 2025, at 10:46, Will Deacon wrote:
> Hi Arnd,
>
> On Mon, Apr 07, 2025 at 11:41:16AM +0200, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>> 
>> Now that gcc-8 and binutils-2.30 are the minimum versions, a lot of
>> the individual feature checks can go away for simplification.
>> 
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>> ---
>>  arch/arm64/Kconfig              | 37 ++-------------------------------
>>  arch/arm64/Makefile             | 21 ++-----------------
>>  arch/arm64/include/asm/rwonce.h |  4 ----
>>  arch/arm64/kvm/Kconfig          |  1 -
>>  arch/arm64/lib/xor-neon.c       |  2 +-
>>  5 files changed, 5 insertions(+), 60 deletions(-)
>
> Since some of these checks are dynamic (i.e. they try passing various
> options to the tools to see if they barf), have you checked that the
> minimum supported version of clang implements them all?

I did some randconfig build testing with clang-13/lld-13, since that
is the oldest supported version, and checked that the options are
all supported. I'm pretty sure it's been there for a long time before
that already.

      Arnd