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[PATCH v2 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS
From: |
Richard Henderson |
Subject: |
[PATCH v2 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS |
Date: |
Tue, 7 Jun 2022 13:32:54 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/aarch64/target_cpu.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
index 97a477bd3e..f90359faf2 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)
--
2.34.1
- [PATCH v2 46/71] target/arm: Implement SME LD1, ST1, (continued)
- [PATCH v2 46/71] target/arm: Implement SME LD1, ST1, Richard Henderson, 2022/06/07
- [PATCH v2 48/71] target/arm: Implement SME LDR, STR, Richard Henderson, 2022/06/07
- [PATCH v2 49/71] target/arm: Implement SME ADDHA, ADDVA, Richard Henderson, 2022/06/07
- [PATCH v2 42/71] target/arm: Trap AdvSIMD usage when Streaming SVE is active, Richard Henderson, 2022/06/07
- [PATCH v2 51/71] target/arm: Implement BFMOPA, BFMOPS, Richard Henderson, 2022/06/07
- [PATCH v2 53/71] target/arm: Implement SME integer outer product, Richard Henderson, 2022/06/07
- [PATCH v2 54/71] target/arm: Implement PSEL, Richard Henderson, 2022/06/07
- [PATCH v2 50/71] target/arm: Implement FMOPA, FMOPS (non-widening), Richard Henderson, 2022/06/07
- [PATCH v2 52/71] target/arm: Implement FMOPA, FMOPS (widening), Richard Henderson, 2022/06/07
- [PATCH v2 57/71] target/arm: Reset streaming sve state on exception boundaries, Richard Henderson, 2022/06/07
- [PATCH v2 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS,
Richard Henderson <=
- [PATCH v2 61/71] linux-user/aarch64: Add SM bit to SVE signal context, Richard Henderson, 2022/06/07
- [PATCH v2 55/71] target/arm: Implement REVD, Richard Henderson, 2022/06/07
- [PATCH v2 56/71] target/arm: Implement SCLAMP, UCLAMP, Richard Henderson, 2022/06/07
- [PATCH v2 58/71] target/arm: Enable SME for -cpu max, Richard Henderson, 2022/06/07
- [PATCH v2 62/71] linux-user/aarch64: Tidy target_restore_sigframe error return, Richard Henderson, 2022/06/07
- [PATCH v2 60/71] linux-user/aarch64: Reset PSTATE.SM on syscalls, Richard Henderson, 2022/06/07
- [PATCH v2 65/71] linux-user/aarch64: Move sve record checks into restore, Richard Henderson, 2022/06/07
- [PATCH v2 63/71] linux-user/aarch64: Do not allow duplicate or short sve records, Richard Henderson, 2022/06/07
- [PATCH v2 64/71] linux-user/aarch64: Verify extra record lock succeeded, Richard Henderson, 2022/06/07
- [PATCH v2 67/71] linux-user: Rename sve prctls, Richard Henderson, 2022/06/07