[PATCH] D72222: [Driver][CodeGen] Add -fpatchable-function-entry=N[,0]

[Peter Smith via Phabricator via cfe-commits]

peter.smith added a comment.

Although this particular commit will not be at fault, it is the option that enables the feature which is the earliest I can bisect the fault to. There are 3 files in linux that assert fail on the Implement the 'patchable-function attribute'. The files in question are kasan/quarantine.c, mm/slab_common.c and mm/slub.c .

I reproduced with

  make CC=/path/to/clang/install/clang ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- HOSTGCC=gcc allmodconfig

You can get the log files for the build, which is from clang-10
https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/ci/tcwg_kernel/llvm-release-aarch64-mainline-allmodconfig (4: update: llvm-linux: 19676)

If the patchable functions is intended for clang-10 we'll need to make sure any fix is merged to clang-10.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D72222/new/

https://reviews.llvm.org/D72222