Re: [PATCH v2 3/3] kselftest/arm64: Add FPMR coverage to fp-ptrace

From: Catalin Marinas
Date: Tue Nov 12 2024 - 08:31:10 EST


On Tue, Nov 12, 2024 at 01:08:16PM +0000, Mark Brown wrote:
> + // This has to come after we set PSTATE.SM
> +check_fpmr_in:
> + tbz x0, #HAVE_FPMR_SHIFT, wait_for_writes
> + adrp x7, fpmr_in
> + ldr x7, [x7, :lo12:fpmr_in]
> + msr FPMR, x7

Did this build for you? I may not have a new enough assembler.

fp-ptrace-asm.S:149:6: error: expected writable system register or pstate
msr FPMR, x7

I changed it to REG_FPMR locally.

--
Catalin