Re: [PATCH 1/2] x86: unify copy_from_user() size checking

From: Jan Beulich
Date: Mon Oct 28 2013 - 03:23:52 EST

>>> On 26.10.13 at 12:31, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
> * Jan Beulich <JBeulich@xxxxxxxx> wrote:
>> I'd like to point out though that with __compiletime_object_size()
>> being restricted to gcc before 4.6, the whole construct is going to
>> become more and more pointless going forward. I would question
>> however that commit 2fb0815c9ee6b9ac50e15dd8360ec76d9fa46a2 ("gcc4:
>> disable __compiletime_object_size for GCC 4.6+") was really necessary,
>> and instead this should have been dealt with as is done here from the
>> beginning.
> Can we now revert 2fb0815c9ee6?

Afaict yes, but I certainly didn't test with all possible gcc versions.
So minimally everyone involved in getting that change in would be
good to be in agreement.


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