diff options
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 16d6d03..01994d4 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -144,7 +144,12 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) diff |= CHECK(id_isar3, boot, cur, cpu); diff |= CHECK(id_isar4, boot, cur, cpu); diff |= CHECK(id_isar5, boot, cur, cpu); - diff |= CHECK(id_mmfr0, boot, cur, cpu); + /* + * Regardless of the value of the AuxReg field, the AIFSR, ADFSR, and + * ACTLR formats could differ across CPUs and therefore would have to + * be trapped for virtualization anyway. + */ + diff |= CHECK_MASK(id_mmfr0, 0xff0fffff, boot, cur, cpu); diff |= CHECK(id_mmfr1, boot, cur, cpu); diff |= CHECK(id_mmfr2, boot, cur, cpu); diff |= CHECK(id_mmfr3, boot, cur, cpu); |