Re: [PATCH v2] LoongArch: Add jump-label implementation

[Peter Zijlstra]

On Thu, May 11, 2023 at 09:33:37AM +0800, Youling Tang wrote:

> > > +void arch_jump_label_transform(struct jump_entry *entry,
> > > +                   enum jump_label_type type)
> > > +{
> > > +    void *addr = (void *)jump_entry_code(entry);
> > > +    u32 insn;
> > > +
> > > +    if (type == JUMP_LABEL_JMP)
> > 
> > Please use a switch for dealing with enum-typed values.
> 
> Because the current type only has JUMP_LABEL_NOP and JUMP_LABEL_JMP,
> using if may be simpler than switch.

IIRC we used an enum with descriptive names instead of a boolean because
true/false just doesn't tell you much.

The whole thing fundamentally is a boolean descision though, either
you write a JMP or a NOP, jump-labels don't have more options.