return cpu_possible_mask;
}
+static int __init parse_32bit_el0_param(char *str)
+{
+ allow_mismatched_32bit_el0 = true;
+ return 0;
+}
+early_param("allow_mismatched_32bit_el0", parse_32bit_el0_param);
+
static ssize_t aarch32_el0_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
if (!cpu)
arm64_use_ng_mappings = true;
-
- return;
}
#else
static void
u64 val = read_sysreg_s(SYS_CLIDR_EL1);
/* Check that CLIDR_EL1.LOU{U,IS} are both 0 */
- WARN_ON(val & (7 << 27 | 7 << 21));
+ WARN_ON(CLIDR_LOUU(val) || CLIDR_LOUIS(val));
}
#ifdef CONFIG_ARM64_PAN
#ifdef CONFIG_ARM64_MTE
static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
{
+ sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_ATA | SCTLR_EL1_ATA0);
+ isb();
+
/*
* Clear the tags in the zero page. This needs to be done via the
* linear map which has the Tagged attribute.