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[Qemu-devel] [PATCH v2 1/5] exec: [tcg] Refactor flush of per-CPU virtua
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH v2 1/5] exec: [tcg] Refactor flush of per-CPU virtual TB cache |
Date: |
Thu, 15 Sep 2016 17:50:42 +0200 |
User-agent: |
StGit/0.17.1-dirty |
The function is reused in later patches.
Signed-off-by: Lluís Vilanova <address@hidden>
---
cputlb.c | 2 +-
include/exec/exec-all.h | 6 ++++++
translate-all.c | 9 +++++++--
3 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/cputlb.c b/cputlb.c
index d068ee5..686a09c 100644
--- a/cputlb.c
+++ b/cputlb.c
@@ -81,7 +81,7 @@ void tlb_flush(CPUState *cpu, int flush_global)
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));
+ tb_flush_jmp_cache_all(cpu);
env->vtlb_index = 0;
env->tlb_flush_addr = -1;
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index d008296..e2124dc 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -265,6 +265,12 @@ struct TranslationBlock {
};
void tb_free(TranslationBlock *tb);
+/**
+ * tb_flush_jmp_cache_all:
+ *
+ * Flush the virtual translation block cache.
+ */
+void tb_flush_jmp_cache_all(CPUState *env);
void tb_flush(CPUState *cpu);
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
diff --git a/translate-all.c b/translate-all.c
index 0dd6466..ebd9fa0 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -851,8 +851,7 @@ void tb_flush(CPUState *cpu)
tcg_ctx.tb_ctx.nb_tbs = 0;
CPU_FOREACH(cpu) {
- memset(cpu->tb_jmp_cache, 0, sizeof(cpu->tb_jmp_cache));
- cpu->tb_flushed = true;
+ tb_flush_jmp_cache_all(cpu);
}
qht_reset_size(&tcg_ctx.tb_ctx.htable, CODE_GEN_HTABLE_SIZE);
@@ -1579,6 +1578,12 @@ void tb_check_watchpoint(CPUState *cpu)
}
}
+void tb_flush_jmp_cache_all(CPUState *cpu)
+{
+ memset(cpu->tb_jmp_cache, 0, sizeof(cpu->tb_jmp_cache));
+ cpu->tb_flushed = true;
+}
+
#ifndef CONFIG_USER_ONLY
/* in deterministic execution mode, instructions doing device I/Os
must be at the end of the TB */
- [Qemu-devel] [PATCH v2 0/5] trace: [tcg] Optimize per-vCPU tracing states with separate TB caches, Lluís Vilanova, 2016/09/15
- [Qemu-devel] [PATCH v2 1/5] exec: [tcg] Refactor flush of per-CPU virtual TB cache,
Lluís Vilanova <=
- [Qemu-devel] [PATCH v2 2/5] exec: [tcg] Use multiple physical TB caches, Lluís Vilanova, 2016/09/15
- [Qemu-devel] [PATCH v2 3/5] exec: [tcg] Switch physical TB cache based on vCPU tracing state, Lluís Vilanova, 2016/09/15
- [Qemu-devel] [PATCH v2 4/5] trace: [tcg] Do not generate TCG code to trace dinamically-disabled events, Lluís Vilanova, 2016/09/15
- [Qemu-devel] [PATCH v2 5/5] trace: [tcg, trivial] Re-align generated code, Lluís Vilanova, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 0/5] trace: [tcg] Optimize per-vCPU tracing states with separate TB caches, Stefan Hajnoczi, 2016/09/26