Enable trapping of the debug registers unconditionally, allowing guests to
use the debug infrastructure.

Signed-off-by: Zhichao Huang <[email protected]>
Reviewed-by: Christoffer Dall <[email protected]>
---
 arch/arm/kvm/interrupts_head.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S
index 7ad0adf..494991d 100644
--- a/arch/arm/kvm/interrupts_head.S
+++ b/arch/arm/kvm/interrupts_head.S
@@ -792,7 +792,7 @@ ARM_BE8(rev r6, r6  )
  * (hardware reset value is 0) */
 .macro set_hdcr operation
        mrc     p15, 4, r2, c1, c1, 1
-       ldr     r3, =(HDCR_TPM|HDCR_TPMCR)
+       ldr     r3, =(HDCR_TPM|HDCR_TPMCR|HDCR_TDRA|HDCR_TDOSA|HDCR_TDA)
        .if \operation == vmentry
        orr     r2, r2, r3              @ Trap some perfmon accesses
        .else
-- 
1.7.12.4

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