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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>
master
Richard Henderson 2020-01-09 11:23:56 +11:00
parent 56e89f76fd
commit 3c16304af4
1 changed files with 3 additions and 2 deletions
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5
accel/tcg/cputlb.c
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@ -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);