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