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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: alex.bennee@linaro.org
Subject: Re: [PATCH] accel/tcg/plugin: Fix inject_mem_cb rw masking
Date: Wed, 12 Jun 2024 12:56:13 -0700	[thread overview]
Message-ID: <c634ad67-7bfc-498d-b834-54c521301b9e@linaro.org> (raw)
In-Reply-To: <b9826606-3952-417b-8a08-f1db31a2cf7b@linaro.org>

On 6/5/24 15:39, Pierrick Bouvier wrote:
> Thanks for catching this Richard.
> 
> I did the same mistake in plugins/core.c as well, could you fix it as
> well as part of this patch?
> 
> For complement, rw are enums,
> R is 0b01, W is 0b10, and RW is 0b11, thus it work as expected with &.
> 
> Thanks,
> Pierrick
> 
> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
> 
> On 6/5/24 15:25, Richard Henderson wrote:
>> These are not booleans, but masks.
>>
>> Fixes: f86fd4d8721 ("plugins: distinct types for callbacks")
>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
>> ---
>>    accel/tcg/plugin-gen.c | 4 ++--
>>    1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
>> index cc1634e7a6..b6bae32b99 100644
>> --- a/accel/tcg/plugin-gen.c
>> +++ b/accel/tcg/plugin-gen.c
>> @@ -240,13 +240,13 @@ static void inject_mem_cb(struct qemu_plugin_dyn_cb *cb,
>>    {
>>        switch (cb->type) {
>>        case PLUGIN_CB_MEM_REGULAR:
>> -        if (rw && cb->regular.rw) {
>> +        if (rw & cb->regular.rw) {
>>                gen_mem_cb(&cb->regular, meminfo, addr);
>>            }
>>            break;
>>        case PLUGIN_CB_INLINE_ADD_U64:
>>        case PLUGIN_CB_INLINE_STORE_U64:
>> -        if (rw && cb->inline_insn.rw) {
>> +        if (rw & cb->inline_insn.rw) {
>>                inject_cb(cb);
>>            }
>>            break;

I sent a new series with your fix + other in plugins/core.c, so no 
action is needed from you.
(20240612195147.93121-1-pierrick.bouvier@linaro.org)

Thanks,
Pierrick


      reply	other threads:[~2024-06-12 19:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-05 22:25 [PATCH] accel/tcg/plugin: Fix inject_mem_cb rw masking Richard Henderson
2024-06-05 22:39 ` Pierrick Bouvier
2024-06-12 19:56   ` Pierrick Bouvier [this message]

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