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[03/23] exec: Make tci_tb_ptr thread-local

Message ID 20210128082331.196801-4-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series TCI fixes and cleanups | expand

Commit Message

Richard Henderson Jan. 28, 2021, 8:23 a.m. UTC
Each thread must have its own pc, even under TCI.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/exec-all.h | 2 +-
 tcg/tcg-common.c        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 125000bcf7..f933c74c44 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -544,7 +544,7 @@  void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr);
 
 /* GETPC is the true target of the return instruction that we'll execute.  */
 #if defined(CONFIG_TCG_INTERPRETER)
-extern uintptr_t tci_tb_ptr;
+extern __thread uintptr_t tci_tb_ptr;
 # define GETPC() tci_tb_ptr
 #else
 # define GETPC() \
diff --git a/tcg/tcg-common.c b/tcg/tcg-common.c
index 7e1992e79e..b183db84c7 100644
--- a/tcg/tcg-common.c
+++ b/tcg/tcg-common.c
@@ -26,7 +26,7 @@ 
 #include "tcg/tcg.h"
 
 #if defined(CONFIG_TCG_INTERPRETER)
-uintptr_t tci_tb_ptr;
+__thread uintptr_t tci_tb_ptr;
 #endif
 
 TCGOpDef tcg_op_defs[] = {