Revert "ARM: 7816/1: CONFIG_KUSER_HELPERS: fix help text"

This reverts commit 2f90405838e033536e036b0b7f09441dc3f0c9b1.
Revert "ARM: allow kuser helpers to be removed from the vector page"

This reverts commit 8c45daaa716f3b93feca747bfd0ee895d55e8031.
Revert "ARM: 7819/1: fiq: Cast the first argument of flush_icache_range()"

This reverts commit 8aab1b7aabd1a39b95adc7374d0e6941c11acfe8.
Revert "ARM: Fix FIQ code on VIVT CPUs"

This reverts commit 259c49d0beec32c48b35a4a4cc48df40df96463f.
Revert "ARM: Fix the world famous typo with is_gate_vma()"

This reverts commit a404db69967d7dca00e583650989645de1a16ae6.
Revert "Revert "ARM: Fix the world famous typo with is_gate_vma()""

This reverts commit ce5e1858a7408d4644deec9d5e7a1c9d2a42f894.
Revert "ARM: fix nommu builds with 48be69a02 (ARM: move signal handlers into a vdso-like page)"

This reverts commit 0a4babab56e18e2b6a9591d9cc9c4035735f3a6f.
Revert "ARM: fix a cockup in 48be69a02 (ARM: move signal handlers into a vdso-like page)"

This reverts commit 76c1e377d5418cdb282708299c1a32e1904684a9.
Revert "ARM: make vectors page inaccessible from userspace"

This reverts commit d9ce5847c5586a90192c558d2d1a0f0e1df1b0ef.

Conflicts:
	arch/arm/kernel/process.c
Revert "Revert "ARM: allow the kernel text section to be made read-only""

This reverts commit de291291080eebc8fd49d224cde1bd34e1db7d09.
Revert "ARM: move signal handlers into a vdso-like page"

This reverts commit 10d98aaa7248045b0f103612d8e2f771be693393.
fix compile error
jenad update defconfig