RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag

[Robert Dewar]

H.J. Lu wrote:

> Icc has been following psABI for years on Linux and it doesn't stop people
> using icc on Linux.  On the other hand, it may be a good idea to provide a
> workaround in gcc and enables it by default.  OSVs can fix thekernel and
> disable it by default.

How widely is icc used? I ask because we have not encocuntered one
customer using icc. We have huge numbers of customers using gcc, and
many using proprietary compilers from Sun, DEC etc, but never an icc
user?
> 
> We can even issue a message whenever the workaround is used.
> 
> H.J.