If anyone wants to follow along with booting a Clang-built CFI-enabled x86 kernel, I've written up the instructions to build the latest LLVM and @samitolvanen's LTO/CFI/SCS tree. Enjoy! https://outflux.net/blog/archives/2019/11/20/experimenting-with-clang-cfi-on-upstream-linux/ …
I've been having a problem building kernel with Trunk Clang on 64-bit Arm, I'll see if your post helps my situation. Thank!
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When I do Clang arm64 builds, my "make" looks like: make -j$(getconf _NPROCESSORS_ONLN) ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- CC=$HOME/src/llvm-build/bin/clang target-goes-here (And if you want lld, also add "LD=$HOME/src/llvm-build/bin/ld.lld")
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how do I prepare a “cross” compiler on x86 for AArch64 target?
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