diff options
| author | Gary S. Robertson <gary.robertson@linaro.org> | 2015-11-18 16:00:23 -0600 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2015-11-18 16:00:23 -0600 |
| commit | fe7e08f8621d68222f1c65599d8c8d10f0cf5164 (patch) | |
| tree | 78b986dce0ca910245ec379c9725033b0b25fddd /arch/arm64/kernel/head.S | |
| parent | 701f68f192e35dfc22c6a456c8a60fb4e9ff7d02 (diff) | |
| parent | 53c3c13396c2a8ee4fd9e83141b3e2b22223e590 (diff) | |
Merge tag 'lsk-v4.1-15.10' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.10-2015.11
LSK 15.10 v4.1
Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org>
Conflicts:
linaro/configs/linaro-base.conf
Diffstat (limited to 'arch/arm64/kernel/head.S')
| -rw-r--r-- | arch/arm64/kernel/head.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 19f915e8f6e0..36aa31ff2c06 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -565,6 +565,11 @@ CPU_LE( movk x0, #0x30d0, lsl #16 ) // Clear EE and E0E on LE systems msr hstr_el2, xzr // Disable CP15 traps to EL2 #endif + /* EL2 debug */ + mrs x0, pmcr_el0 // Disable debug access traps + ubfx x0, x0, #11, #5 // to EL2 and allow access to + msr mdcr_el2, x0 // all PMU counters from EL1 + /* Stage-2 translation */ msr vttbr_el2, xzr |