[PATCH v3 0/5] powerpc: Add KCSAN support

[Michael Ellerman]

On Mon, 6 Feb 2023 13:17:56 +1100, Rohan McLure wrote:
> Add Kernel Concurrency Sanitiser support for PPC64. Doing so involves
> exclusion of a number of compilation units from instrumentation, as was
> done with KASAN.
> 
> KCSAN uses watchpoints on memory accesses to enforce the semantics of
> the Linux kernel memory model, notifying the user of observed data races
> which have not been declared to be intended in source through the
> data_race() macro, in order to remove false positives.
> 
> [...]

Applied to powerpc/next.

[1/5] powerpc: kcsan: Add exclusions from instrumentation
      https://git.kernel.org/powerpc/c/2fb857bc9f9e106439017ed323f522cc785395bb
[2/5] powerpc: kcsan: Exclude udelay to prevent recursive instrumentation
      https://git.kernel.org/powerpc/c/2a7ce82dc46c591c9244057d89a6591c9639b9b9
[3/5] powerpc: kcsan: Memory barriers semantics
      https://git.kernel.org/powerpc/c/b6e259297a6bffb882d55715284bb5219eefda42
[4/5] powerpc: kcsan: Prevent recursive instrumentation with IRQ save/restores
      https://git.kernel.org/powerpc/c/4f8e09106f6e457c6e9a4ce597fa9ae2bda032c3
[5/5] powerpc: kcsan: Add KCSAN Support
      https://git.kernel.org/powerpc/c/6f0926c00565a91f3bd7ca1aa05db307daed5e0f

cheers