From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: Liren Wei <lrwei@bupt.edu.cn>
Subject: [PATCH 03/41] accel/tcg: Hoist tcg_tb_insert() up above tb_link_page()
Date: Sat, 10 Jul 2021 08:31:05 -0700 [thread overview]
Message-ID: <20210710153143.1320521-4-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210710153143.1320521-1-richard.henderson@linaro.org>
From: Liren Wei <lrwei@bupt.edu.cn>
TranslationBlocks not inserted into the corresponding region
tree shall be regarded as partially initialized objects, and
needs to be finalized first before inserting into QHT.
Signed-off-by: Liren Wei <lrwei@bupt.edu.cn>
Message-Id: <f9fc263f71e11b6308d8c1fbc0dd366bf4aeb532.1625404483.git.lrwei@bupt.edu.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
accel/tcg/translate-all.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 7929a7e320..75e4d06557 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1657,6 +1657,13 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
return tb;
}
+ /*
+ * Insert TB into the corresponding region tree before publishing it
+ * through QHT. Otherwise rewinding happened in the TB might fail to
+ * lookup itself using host PC.
+ */
+ tcg_tb_insert(tb);
+
/* check next page if needed */
virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK;
phys_page2 = -1;
@@ -1675,9 +1682,9 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
orig_aligned -= ROUND_UP(sizeof(*tb), qemu_icache_linesize);
qatomic_set(&tcg_ctx->code_gen_ptr, (void *)orig_aligned);
tb_destroy(tb);
+ tcg_tb_remove(tb);
return existing_tb;
}
- tcg_tb_insert(tb);
return tb;
}
--
2.25.1
next prev parent reply other threads:[~2021-07-10 15:34 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-10 15:31 [PATCH 00/41] tcg patch queue Richard Henderson
2021-07-10 15:31 ` [PATCH 01/41] tcg: Add separator in INDEX_op_call dump Richard Henderson
2021-07-10 15:31 ` [PATCH 02/41] tcg: Avoid including 'trace-tcg.h' in target translate.c Richard Henderson
2021-07-10 15:31 ` Richard Henderson [this message]
2021-07-10 15:31 ` [PATCH 04/41] tcg: Bake tb_destroy() into tcg_region_tree Richard Henderson
2021-07-10 15:31 ` [PATCH 05/41] tcg: Move tb_phys_invalidate_count to tb_ctx Richard Henderson
2021-07-10 15:31 ` [PATCH 06/41] accel/tcg: Introduce translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 07/41] target/alpha: Remove use_exit_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 08/41] target/alpha: Remove in_superpage Richard Henderson
2021-07-10 15:31 ` [PATCH 09/41] target/alpha: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 10/41] target/arm: Use DISAS_TOO_MANY for ISB and SB Richard Henderson
2021-07-10 15:31 ` [PATCH 11/41] target/arm: Use translator_use_goto_tb for aarch64 Richard Henderson
2021-07-10 15:31 ` [PATCH 12/41] target/arm: Use translator_use_goto_tb for aarch32 Richard Henderson
2021-07-10 15:31 ` [PATCH 13/41] target/avr: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 14/41] target/avr: Mark some helpers noreturn Richard Henderson
2021-07-10 15:31 ` [PATCH 15/41] target/cris: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 16/41] target/hppa: " Richard Henderson
2021-07-10 15:31 ` [PATCH 17/41] target/i386: " Richard Henderson
2021-07-10 15:31 ` [PATCH 18/41] target/m68k: " Richard Henderson
2021-07-10 15:31 ` [PATCH 19/41] target/microblaze: " Richard Henderson
2021-07-10 15:31 ` [PATCH 20/41] target/mips: " Richard Henderson
2021-07-10 15:31 ` [PATCH 21/41] target/mips: Fix missing else in gen_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 22/41] target/nios2: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 23/41] target/openrisc: " Richard Henderson
2021-07-10 15:31 ` [PATCH 24/41] target/ppc: " Richard Henderson
2021-07-10 15:31 ` [PATCH 25/41] target/riscv: " Richard Henderson
2021-07-10 15:31 ` [PATCH 26/41] target/rx: " Richard Henderson
2021-07-10 15:31 ` [PATCH 27/41] target/s390x: " Richard Henderson
2021-07-10 15:31 ` [PATCH 28/41] target/s390x: Remove use_exit_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 29/41] target/sh4: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 30/41] target/sparc: " Richard Henderson
2021-07-10 15:31 ` [PATCH 31/41] target/tricore: " Richard Henderson
2021-07-10 15:31 ` [PATCH 32/41] target/tricore: Use tcg_gen_lookup_and_goto_ptr Richard Henderson
2021-07-10 15:31 ` [PATCH 33/41] target/xtensa: Use translator_use_goto_tb Richard Henderson
2021-07-10 15:31 ` [PATCH 34/41] tcg: Fix prologue disassembly Richard Henderson
2021-07-10 15:31 ` [PATCH 35/41] target/i386: Use cpu_breakpoint_test in breakpoint_handler Richard Henderson
2021-07-10 15:31 ` [PATCH 36/41] accel/tcg: Move helper_lookup_tb_ptr to cpu-exec.c Richard Henderson
2021-07-10 15:31 ` [PATCH 37/41] accel/tcg: Move tb_lookup " Richard Henderson
2021-07-10 15:31 ` [PATCH 38/41] accel/tcg: Split out log_cpu_exec Richard Henderson
2021-07-10 15:31 ` [PATCH 39/41] accel/tcg: Log tb->cflags with -d exec Richard Henderson
2021-07-10 15:31 ` [PATCH 40/41] tcg: Remove TCG_TARGET_HAS_goto_ptr Richard Henderson
2021-07-10 15:31 ` [PATCH 41/41] cpu: Add breakpoint tracepoints Richard Henderson
2021-07-10 16:24 ` [PATCH 00/41] tcg patch queue Peter Maydell
2021-07-11 0:12 ` Richard Henderson
2021-07-12 11:53 ` Peter Maydell
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