The 11/13/2023 11:47, Victor Do Nascimento wrote:
> +/* LRCPC atomic support encoded in ID_AA64ISAR1_EL1.Atomic,
> + bits[23:20]. The expected value is 0b0011. Check that. */
> +#define HAS_LRCPC3() ({ \
> + unsigned long val; \
> + asm volatile ("mrs %0, ID_AA64ISAR1_EL1" : "=r" (val)); \
> + (val & 0xf00000) >= 0x300000; \
> + })same comment as for the lse128 patch: use hwcaps (and wait for linux release before committing).
