Re: tst-cputimer1 and tst-timer4

["Carlos O'Donell" <carlos@xxxxxxxxxxxxxxxx>]

On Mon, Jul 4, 2011 at 12:58 PM, John David Anglin <dave.anglin@xxxxxxxx> wrote:
>> Why would this mprotect fail with -EINVAL? It's not page aligned?
>>
>> You can see the earlier mmap/mprotect from thread one's stack looks
>> page aligned.
>
> I believe that the stack value needs to be aligned.  See comment in
> arch_get_unmapped_area.  Not sure if this will fix mprotect.

What needs to be aligned, the stack value or the addr in a call to mprotect?

The latter, yes, that appears to be the case.

The stack will be at least aligned to the target requirement.

> I submitted a patch to return an error if  but there was no comment.

Reference?

Cheers,
Carlos.
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