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authorRichard Henderson <richard.henderson@linaro.org>2020-01-09 11:23:56 +1100
committerRichard Henderson <richard.henderson@linaro.org>2020-01-21 14:21:59 -1000
commit3c16304af4241f242eeacae646457b9720aa71db (patch)
tree24d849891e60cf478ad3907259e93feb0ab921a2
parent56e89f76fdf0dc8162e28105055570a83a93b15e (diff)
cputlb: Initialize tlbs as flushed
There's little point in leaving these data structures half initialized, and relying on a flush to be done during reset. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--accel/tcg/cputlb.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 360495468e..5a35386224 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -240,6 +240,7 @@ static void tlb_mmu_init(CPUTLBDesc *desc, CPUTLBDescFast *fast, int64_t now)
fast->mask = (n_entries - 1) << CPU_TLB_ENTRY_BITS;
fast->table = g_new(CPUTLBEntry, n_entries);
desc->iotlb = g_new(CPUIOTLBEntry, n_entries);
+ tlb_mmu_flush_locked(desc, fast);
}
static inline void tlb_n_used_entries_inc(CPUArchState *env, uintptr_t mmu_idx)
@@ -260,8 +261,8 @@ void tlb_init(CPUState *cpu)
qemu_spin_init(&env_tlb(env)->c.lock);
- /* Ensure that cpu_reset performs a full flush. */
- env_tlb(env)->c.dirty = ALL_MMUIDX_BITS;
+ /* All tlbs are initialized flushed. */
+ env_tlb(env)->c.dirty = 0;
for (i = 0; i < NB_MMU_MODES; i++) {
tlb_mmu_init(&env_tlb(env)->d[i], &env_tlb(env)->f[i], now);