On Sat, Sep 19, 2020 at 09:41:18AM +0300, Ilie Halip wrote:
> With CONFIG_UBSAN_TRAP enabled, the compiler may insert a trap instruction
> after a call to a noreturn function. In this case, objtool warns that the
> ud2 instruction is unreachable.
>
> This is a behavior seen with clang, from the ol
On Sat, Sep 19, 2020 at 8:41 AM Ilie Halip wrote:
>
> With CONFIG_UBSAN_TRAP enabled, the compiler may insert a trap instruction
> after a call to a noreturn function. In this case, objtool warns that the
> ud2 instruction is unreachable.
>
> This is a behavior seen with clang, from the oldest ver
With CONFIG_UBSAN_TRAP enabled, the compiler may insert a trap instruction
after a call to a noreturn function. In this case, objtool warns that the
ud2 instruction is unreachable.
This is a behavior seen with clang, from the oldest version capable of
building the mainline x64_64 kernel (9.0), to
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