"We no longer support gcc 3.x, so remove the workaround for it."

 H. Peter Anvin wrote:

We no longer support gcc 3.x, so remove the workaround for it.

[PATCH 1/5] Disallow building with gcc < 3.4
[PATCH 2/5] x86, gcc: Disallow building Linux/x86 with gcc 3.x/4.0 
[PATCH 3/5] x86, cpu: Remove gcc 3.x workarounds in
[PATCH 4/5] x86, mem: Remove gcc < 4.1 support code for memcpy()
[PATCH 5/5] x86, bitops: Remove gcc < 4.1 workaround

This patchset bumps the minimum supported gcc version to 3.4 for the
general kernel, and to 4.1 for x86.

Please read
lkml.org/lkml/2010/9/13/464 and http://lkml.org/lkml/2010/9/13/73