UBSAN is supported since GCC 4.9, which unfortunately did not yet have __has_attribute(). To work around, the __GCC4_has_attribute workaround requires defining which compiler version supports the given attribute. In the case of no_sanitize_undefined, it is the first version that supports UBSAN, which is GCC 4.9. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Link: https://lkml.kernel.org/r/20200615231529.GA119644@google.com |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| vdso | ||
| video | ||
| xen | ||