diff options
Diffstat (limited to 'arch/arm/mm/proc-v7-2level.S')
| -rw-r--r-- | arch/arm/mm/proc-v7-2level.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S index 42ac069c8012..fd045e706390 100644 --- a/arch/arm/mm/proc-v7-2level.S +++ b/arch/arm/mm/proc-v7-2level.S | |||
| @@ -46,6 +46,11 @@ ENTRY(cpu_v7_switch_mm) | |||
| 46 | #ifdef CONFIG_ARM_ERRATA_430973 | 46 | #ifdef CONFIG_ARM_ERRATA_430973 |
| 47 | mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB | 47 | mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB |
| 48 | #endif | 48 | #endif |
| 49 | #ifdef CONFIG_PID_IN_CONTEXTIDR | ||
| 50 | mrc p15, 0, r2, c13, c0, 1 @ read current context ID | ||
| 51 | lsr r2, r2, #8 @ extract the PID | ||
| 52 | bfi r1, r2, #8, #24 @ insert into new context ID | ||
| 53 | #endif | ||
| 49 | #ifdef CONFIG_ARM_ERRATA_754322 | 54 | #ifdef CONFIG_ARM_ERRATA_754322 |
| 50 | dsb | 55 | dsb |
| 51 | #endif | 56 | #endif |