[PATCH 4.15 053/202] [Variant 1/Spectre-v1] arm64: entry: Ensure branch through syscall table is bounded under speculation

2018-02-15 Thread Greg Kroah-Hartman
4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 6314d90e6493 upstream. In a similar manner to array_index_mask_nospec, this patch introduces an assembly macro (mask_nospec64) which can be used to

[PATCH 4.15 053/202] [Variant 1/Spectre-v1] arm64: entry: Ensure branch through syscall table is bounded under speculation

2018-02-15 Thread Greg Kroah-Hartman
4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 6314d90e6493 upstream. In a similar manner to array_index_mask_nospec, this patch introduces an assembly macro (mask_nospec64) which can be used to bound a value under