Re: [Qemu-devel] [PATCH v2 3/9] new: blacklist.tsan

["Alex Bennée" <alex.bennee@linaro.org>]

Eric Blake <eblake@redhat.com> writes:

> On 09/22/2016 05:13 AM, Alex Bennée wrote:
>> A list of blacklists for tsan instrumentation. One hopes more can be
>> removed over time as tsan improves.
>
> A list of one file? It sounds like this sentence is stale, from an
> earlier revision where the blacklist was longer.

When I was going through the compiler failures and added the first one I
assumed more would be needed ;-)

>
>>
>> The path needs to be absolute so it doesn't break when directories
>> change during the build:
>>
>>   ./configure --with-coroutine=gthread --disable-pie \
>>     --extra-cflags="-g3 -O0 -fsanitize=thread \
>>     -fsanitize-blacklist=/home/alex/lsrc/qemu/qemu.git/blacklist.tsan"
>>
>
> Is there any way to make configure automatically convert a relative name
> into an absolute?

We could teach configure about the sanitizers and embed the knowledge
there.

>
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
>> ---
>>  blacklist.tsan | 2 ++
>>  1 file changed, 2 insertions(+)
>>  create mode 100644 blacklist.tsan
>>
>> diff --git a/blacklist.tsan b/blacklist.tsan
>> new file mode 100644
>> index 0000000..9e53a84
>> --- /dev/null
>> +++ b/blacklist.tsan
>> @@ -0,0 +1,2 @@
>> +# the vector intrinsics upset tsan
>> +src:bufferiszero.c
>>


--
Alex Bennée