diff mbox series

[PULL,33/45] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS

Message ID 20220711135750.765803-34-peter.maydell@linaro.org
State New
Headers show
Series [PULL,01/45] target/arm: Handle SME in aarch64_cpu_dump_state | expand

Commit Message

Peter Maydell July 11, 2022, 1:57 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 linux-user/aarch64/target_cpu.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
index 97a477bd3e9..f90359faf20 100644
--- a/linux-user/aarch64/target_cpu.h
+++ b/linux-user/aarch64/target_cpu.h
@@ -34,10 +34,13 @@  static inline void cpu_clone_regs_parent(CPUARMState *env, unsigned flags)
 
 static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
 {
-    /* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
+    /*
+     * Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
      * different from AArch32 Linux, which uses TPIDRRO.
      */
     env->cp15.tpidr_el[0] = newtls;
+    /* TPIDR2_EL0 is cleared with CLONE_SETTLS. */
+    env->cp15.tpidr2_el0 = 0;
 }
 
 static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)