>>> On 19.10.18 at 16:28, <wei.l...@citrix.com> wrote:
> @@ -303,14 +305,17 @@ void cstar_enter(void);
>
> void subarch_percpu_traps_init(void)
> {
> +#ifdef CONFIG_PV
> unsigned long stack_bottom = get_stack_bottom();
> unsigned long stub_va = this_cpu(stubs.addr);
> unsigned char *stub_page;
> unsigned int offset;
> +#endif
>
> /* IST_MAX IST pages + at least 1 guard page + primary stack. */
> BUILD_BUG_ON((IST_MAX + 1) * PAGE_SIZE + PRIMARY_STACK_SIZE >
> STACK_SIZE);
By moving this to the end of the function, one less #if/#endif
pair would be needed.
Jan
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