[LTP] LTP release

Cixi Geng
2020-09-14T07:52:37Z

Hi Cyril:
Can we merge the uart device driver testcase and the device-discover framework ?
So that we can continue write other device driver case in LTP.
I am looking forward contribute to ltp on the driver test .

https://patchwork.ozlabs.org/project/ltp/list/?series=185240
https://patchwork.ozlabs.org/project/ltp/list/?series=195151

Li Wang <liwang@redhat.com> ?2020?9?10??? ??5:23???
>
>
>
> On Thu, Sep 10, 2020 at 3:19 PM Li Wang <liwang@redhat.com> wrote:
>>
>>
>>
>> On Wed, Sep 9, 2020 at 9:26 PM Cyril Hrubis <chrubis@suse.cz> wrote:
>>>
>>> Hi!
>>> > Also I would like to get rid of the -fno-optimize-sibling-calls in the
>>> > Makefile, this makes the test a bit fragile and less portable.
>>
>>
>> I'm not very sure, let me think/check a while.
>
>
> From the document, it could also help prevents optimization purposes.
> I think we can have a try, if no more issues, that will be great.
>
>>
>>
>>>
>>> /*
>>> * Returns negative number if stack grows down, possitive if stack grows up
>>> */
>>> static int stack_dir(void)
>>> {
>>> intptr_t addr = addr_func();
>>>
>>> printf("%p %p\n", &addr, (void*)addr);
>>
>>
>> This method may be doable, but the second %p print (nil), I don't why.
>
>
> The reason seems that the local variable is revoked after the function
> is calling, so we get NULL of the local variable address. It works as we
> expected when introducing a global pointer to save and return the '&a'.
>
> --
> Regards,
> Li Wang
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp