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target/ppc: Use probe_write for DCBZ 

Using probe_write instead of tlb_vaddr_to_host means that we
process watchpoints and notdirty pages more efficiently.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200129235040.24022-5-richard.henderson@linaro.org>
Tested-by: Howard Spoelstra <hsp.cat7@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2020-01-29 15:50:40 -08:00 committed by David Gibson
parent 1cbddf6d94
commit 4dcf078f09
1 changed files with 1 additions and 1 deletions
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2
target/ppc/mem_helper.c
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@ -298,7 +298,7 @@ static void dcbz_common(CPUPPCState *env, target_ulong addr,
}
/* Try fast path translate */
haddr = tlb_vaddr_to_host(env, addr, MMU_DATA_STORE, mmu_idx);
haddr = probe_write(env, addr, dcbz_size, mmu_idx, retaddr);
if (haddr) {
memset(haddr, 0, dcbz_size);
} else {