diff options
Diffstat (limited to 'arch/arm64/mm/context.c')
| -rw-r--r-- | arch/arm64/mm/context.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index 4c63cb154859..68634c630cdd 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -79,6 +79,13 @@ void verify_cpu_asid_bits(void) } } +static void set_reserved_asid_bits(void) +{ + if (IS_ENABLED(CONFIG_QCOM_FALKOR_ERRATUM_1003) && + cpus_have_const_cap(ARM64_WORKAROUND_QCOM_FALKOR_E1003)) + __set_bit(FALKOR_RESERVED_ASID, asid_map); +} + static void flush_context(unsigned int cpu) { int i; @@ -87,6 +94,8 @@ static void flush_context(unsigned int cpu) /* Update the list of reserved ASIDs and the ASID bitmap. */ bitmap_clear(asid_map, 0, NUM_USER_ASIDS); + set_reserved_asid_bits(); + /* * Ensure the generation bump is observed before we xchg the * active_asids. @@ -244,6 +253,8 @@ static int asids_init(void) panic("Failed to allocate bitmap for %lu ASIDs\n", NUM_USER_ASIDS); + set_reserved_asid_bits(); + pr_info("ASID allocator initialised with %lu entries\n", NUM_USER_ASIDS); return 0; } |