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-rw-r--r--accel/tcg/cputlb.c4
-rw-r--r--accel/tcg/translate-all.c26
2 files changed, 14 insertions, 16 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 1900936038..85635ae8ad 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -118,7 +118,7 @@ static void tlb_flush_nocheck(CPUState *cpu)
memset(env->tlb_table, -1, sizeof(env->tlb_table));
memset(env->tlb_v_table, -1, sizeof(env->tlb_v_table));
- memset(cpu->tb_jmp_cache, 0, sizeof(cpu->tb_jmp_cache));
+ cpu_tb_jmp_cache_clear(cpu);
env->vtlb_index = 0;
env->tlb_flush_addr = -1;
@@ -183,7 +183,7 @@ static void tlb_flush_by_mmuidx_async_work(CPUState *cpu, run_on_cpu_data data)
}
}
- memset(cpu->tb_jmp_cache, 0, sizeof(cpu->tb_jmp_cache));
+ cpu_tb_jmp_cache_clear(cpu);
tlb_debug("done\n");
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index f6ad46b613..93fb9230ba 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -928,11 +928,7 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
}
CPU_FOREACH(cpu) {
- int i;
-
- for (i = 0; i < TB_JMP_CACHE_SIZE; ++i) {
- atomic_set(&cpu->tb_jmp_cache[i], NULL);
- }
+ cpu_tb_jmp_cache_clear(cpu);
}
tcg_ctx.tb_ctx.nb_tbs = 0;
@@ -1813,19 +1809,21 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
cpu_loop_exit_noexc(cpu);
}
-void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr)
+static void tb_jmp_cache_clear_page(CPUState *cpu, target_ulong page_addr)
{
- unsigned int i;
+ unsigned int i, i0 = tb_jmp_cache_hash_page(page_addr);
+ for (i = 0; i < TB_JMP_PAGE_SIZE; i++) {
+ atomic_set(&cpu->tb_jmp_cache[i0 + i], NULL);
+ }
+}
+
+void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr)
+{
/* Discard jump cache entries for any tb which might potentially
overlap the flushed page. */
- i = tb_jmp_cache_hash_page(addr - TARGET_PAGE_SIZE);
- memset(&cpu->tb_jmp_cache[i], 0,
- TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
-
- i = tb_jmp_cache_hash_page(addr);
- memset(&cpu->tb_jmp_cache[i], 0,
- TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
+ tb_jmp_cache_clear_page(cpu, addr - TARGET_PAGE_SIZE);
+ tb_jmp_cache_clear_page(cpu, addr);
}
static void print_qht_statistics(FILE *f, fprintf_function cpu_fprintf,