[PATCH v5 1/2] powerpc/powernv: Enable tunneled operations
Frederic Barrat
fbarrat at linux.vnet.ibm.com
Tue Jan 9 03:33:20 AEDT 2018
Le 22/12/2017 à 13:36, Philippe Bergheaud a écrit :
> +#ifdef CONFIG_PPC64 /* for thread.tidr */
> +int pnv_pci_get_as_notify_info(struct task_struct *task, u32 *lpid, u32 *pid,
> + u32 *tid)
> +{
> + struct mm_struct *mm = NULL;
> +
> + if (task == NULL)
> + return -EINVAL;
> +
> + mm = get_task_mm(task);
> + if (mm == NULL)
> + return -EINVAL;
> + /*
> + * Caller is keeping a reference on mm_users for as long
> + * as XSL uses the memory context
> + */
That comment needs to be tweaked for pci mode. There's no XSL in play.
Fred
> + *pid = mm->context.id;
> + mmput(mm);
More information about the Linuxppc-dev
mailing list