Re: [PATCH v8 00/14] Function Granular KASLR
flat view
From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-12-03 10:38:54
Also in:
linux-arch, linux-hardening, linux-kbuild, lkml, llvm
On Thu, Dec 02, 2021 at 11:32:00PM +0100, Alexander Lobakin wrote:
feat make -j65 boot vmlinux.o vmlinux bzImage bogoops/s Relocatable 4m38.478s 24.440s 72014208 58579520 9396192 57640.39 KASLR 4m39.344s 24.204s 72020624 87805776 9740352 57393.80 FG-K 16 fps 6m16.493s 25.429s 83759856 87194160 10885632 57784.76 FG-K 8 fps 6m20.190s 25.094s 83759856 88741328 10985248 56625.84 FG-K 1 fps 7m09.611s 25.922s 83759856 95681128 11352192 56953.99
:sadface: so at best it makes my kernel compiles ~50% slower. Who would ever consider doing that? It's like retpolines weren't bad enough; lets heap on the fail?