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Re: [PATCH] accel/tcg/plugin: Fix op_rw


From: Richard Henderson
Subject: Re: [PATCH] accel/tcg/plugin: Fix op_rw
Date: Sun, 18 Dec 2022 09:32:03 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2

Ping.

r~

On 11/21/22 12:39, Richard Henderson wrote:
The value of op->args[2] is enum qemu_plugin_mem_rw, which
is already 1-based.  Adding 1 produces incorrect results
for QEMU_PLUGIN_MEM_W and QEMU_PLUGIN_MEM_RW.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
  accel/tcg/plugin-gen.c | 5 +----
  1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index c7d6514840..cd9cee1f5d 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -495,10 +495,7 @@ static bool op_ok(const TCGOp *op, const struct 
qemu_plugin_dyn_cb *cb)
static bool op_rw(const TCGOp *op, const struct qemu_plugin_dyn_cb *cb)
  {
-    int w;
-
-    w = op->args[2];
-    return !!(cb->rw & (w + 1));
+    return cb->rw & op->args[2];
  }
static void inject_cb_type(const GArray *cbs, TCGOp *begin_op,




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