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-rw-r--r--accel/tcg/cputlb.c15
-rw-r--r--exec.c1
-rw-r--r--include/exec/exec-all.h8
3 files changed, 24 insertions, 0 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index eb2cf9de5e..1e815357c7 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -270,6 +270,21 @@ void tlb_init(CPUState *cpu)
}
}
+void tlb_destroy(CPUState *cpu)
+{
+ CPUArchState *env = cpu->env_ptr;
+ int i;
+
+ qemu_spin_destroy(&env_tlb(env)->c.lock);
+ for (i = 0; i < NB_MMU_MODES; i++) {
+ CPUTLBDesc *desc = &env_tlb(env)->d[i];
+ CPUTLBDescFast *fast = &env_tlb(env)->f[i];
+
+ g_free(fast->table);
+ g_free(desc->iotlb);
+ }
+}
+
/* flush_all_helper: run fn across all cpus
*
* If the wait flag is set then the src cpu's helper will be queued as
diff --git a/exec.c b/exec.c
index 9c8f558590..d6712fba7e 100644
--- a/exec.c
+++ b/exec.c
@@ -892,6 +892,7 @@ void cpu_exec_unrealizefn(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
+ tlb_destroy(cpu);
cpu_list_remove(cpu);
if (cc->vmsd != NULL) {
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 8792bea07a..3cf88272df 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -125,6 +125,11 @@ void cpu_address_space_init(CPUState *cpu, int asidx,
*/
void tlb_init(CPUState *cpu);
/**
+ * tlb_destroy - destroy a CPU's TLB
+ * @cpu: CPU whose TLB should be destroyed
+ */
+void tlb_destroy(CPUState *cpu);
+/**
* tlb_flush_page:
* @cpu: CPU whose TLB should be flushed
* @addr: virtual address of page to be flushed
@@ -284,6 +289,9 @@ void tlb_set_page(CPUState *cpu, target_ulong vaddr,
static inline void tlb_init(CPUState *cpu)
{
}
+static inline void tlb_destroy(CPUState *cpu)
+{
+}
static inline void tlb_flush_page(CPUState *cpu, target_ulong addr)
{
}