On Tue, Jan 02, 2018 at 08:05:46PM +0000, Ard Biesheuvel wrote:
> diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h
> index e12d7d096fc0..7b05b404063a 100644
> --- a/arch/arm/include/asm/jump_label.h
> +++ b/arch/arm/include/asm/jump_label.h
> @@ -45,5 +45,32 @@ struct jump_entry {
> jump_label_t key;
> };
>
> +static inline jump_label_t jump_entry_code(const struct jump_entry *entry)
> +{
> + return entry->code;
> +}
> +
> +static inline struct static_key *jump_entry_key(const struct jump_entry *entry)
> +{
> + return (struct static_key *)((unsigned long)entry->key & ~1UL);
> +}
> +
> +static inline bool jump_entry_is_branch(const struct jump_entry *entry)
> +{
> + return (unsigned long)entry->key & 1UL;
> +}
> +
> +static inline bool jump_entry_is_module_init(const struct jump_entry *entry)
> +{
> + return entry->code == 0;
> +}
> +
> +static inline void jump_entry_set_module_init(struct jump_entry *entry)
> +{
> + entry->code = 0;
> +}
> +
> +#define jump_label_swap NULL
Is there any difference between these functions on any of the
architectures touched? Even with the relative offset, arm64 and x86
looked the same to me (well, I may have missed some detail).
--
Catalin
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