Messages in this thread | | | From | Nadav Amit <> | Subject | Re: [PATCH 4/4] x86/percpu: Use C for percpu read/write accessors | Date | Mon, 9 Oct 2023 12:21:34 +0000 |
| |
> On Oct 9, 2023, at 3:00 PM, Uros Bizjak <ubizjak@gmail.com> wrote: > > !! External Email > > On Mon, Oct 9, 2023 at 1:51 PM Ingo Molnar <mingo@kernel.org> wrote: >> >> BTW., while this OK for testing, this is too heavy handed for release >> purposes, so please only disable the KASAN instrumentation for the affected >> percpu accessors. >> >> See the various __no_sanitize* attributes available. > > These attributes are for function declarations. The percpu casts can > not be implemented with separate static inline functions. Also, > __no_sanitize_address is mutually exclusive with __always_inline.
Right, but for GCC you may be able to do something like:
#pragma GCC diagnostic push #pragma GCC diagnostic ignored "-fsanitize=address" // Your code here... #pragma GCC diagnostic pop
Not sure if there is something equivalent in CLANG, and it should be done with the kernel’s _Pragma.
| |