[GIT PULL] LLVMLinux patches for v3.18

These patches remove the use of VLAIS using a new SHASH_DESC_ON_STACK macro. Some of the previously accepted VLAIS removal patches haven't used this macro. I will push new patches to consistently use this macro in all those older cases for 3.19 The following changes since commit

[GIT PULL] LLVMLinux patches for v3.18

These patches remove the use of VLAIS using a new SHASH_DESC_ON_STACK macro. Some of the previously accepted VLAIS removal patches haven't used this macro. I will push new patches to consistently use this macro in all those older cases for 3.19 The following changes since commit