On 19/11/2024 8:12 am, Jan Beulich wrote:
> While the override #define-s in x86_64/platform_hypercall.c are good for
> the consuming side of the compat variants of set_{cx,px}_pminfo(), the
> producers lack the respective declarations. Include pmstat.h early,
> before the overrides are put in place, while adding explicit
> declarations of the compat functions (alongside structure forward
> declarations).
>
> Reported-by: Andrew Cooper <[email protected]>
> Signed-off-by: Jan Beulich <[email protected]>
>
> --- a/xen/arch/x86/x86_64/platform_hypercall.c
> +++ b/xen/arch/x86/x86_64/platform_hypercall.c
> @@ -4,8 +4,8 @@
>
> EMIT_FILE;
>
> -#include <xen/lib.h>
> #include <xen/hypercall.h>
> +#include <xen/pmstat.h>
>
> #define xen_platform_op compat_platform_op
> #define xen_platform_op_t compat_platform_op_t
> --- a/xen/include/xen/pmstat.h
> +++ b/xen/include/xen/pmstat.h
> @@ -7,6 +7,12 @@
>
> int set_px_pminfo(uint32_t acpi_id, struct xen_processor_performance *perf);
> long set_cx_pminfo(uint32_t acpi_id, struct xen_processor_power *power);
> +#ifdef CONFIG_COMPAT
> +struct compat_processor_performance;
> +int compat_set_px_pminfo(uint32_t acpi_id, struct
> compat_processor_performance *perf);
> +struct compat_processor_power;
> +long compat_set_cx_pminfo(uint32_t acpi_id, struct compat_processor_power
> *power);
> +#endif
> uint32_t pmstat_get_cx_nr(unsigned int cpu);
> int pmstat_get_cx_stat(unsigned int cpu, struct pm_cx_stat *stat);
> int pmstat_reset_cx_stat(unsigned int cpu);
>
Thanks for the patch. I'll give it a spin along with the other 8.4 fixes.
~Andrew
