Messages in this thread | | | Date | Mon, 6 Mar 2017 16:20:13 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] x86, kasan: add KASAN checks to atomic operations |
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On Mon, Mar 06, 2017 at 03:24:23PM +0100, Dmitry Vyukov wrote: > We could also provide a parallel implementation of atomic ops based on > the new compiler builtins (__atomic_load_n and friends): > https://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html > and enable it under KSAN. The nice thing about it is that it will > automatically support arm64 and KMSAN and KTSAN. > But it's more work.
There's a summary out there somewhere, I think Will knows, that explain how the C/C++ memory model and the Linux Kernel Memory model differ and how its going to be 'interesting' to make using the C/C++ builtin crud with the kernel 'correct.
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