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Re: protected data in a DSO with copy relocation

On Wed, Dec 17, 2014 at 2:53 PM, Roland McGrath <> wrote:
>> I'd like to have a decision on
>> If we want to support protected data in a DSO with copy relocation,
>> which will incur run-time and memory overhead, I can prepare
>> as well as linker patches.  Otherwise, I will make a linker patch
>> to disallow protected data in a DSO with copy relocation.
> I think we certainly shouldn't do any rtld changes for this in the current
> cycle.  If we can just punt thinking about it at all until after this

If we punt, we need to update the elf/vismain test which fails with
the current ld.

> release, that would be best.  If we need some kind of decision sooner, then
> my inclination is to say that STV_PROTECTED is not useful enough to spend
> effort on supporting its corner cases.  I'm not aware of uses cases for it
> that both appear in the real world and are actually worthwhile.  But if
> there is no urgent need, then let's discuss this in detail after the release.

I agree.


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