Hi Ram,
Ram Pai <linuxram@xxxxxxxxxx> writes:
> diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
> index 55dc61c..608b52f 100644
> --- a/arch/powerpc/sysdev/xive/spapr.c
> +++ b/arch/powerpc/sysdev/xive/spapr.c
> @@ -26,6 +26,8 @@
> #include <asm/xive.h>
> #include <asm/xive-regs.h>
> #include <asm/hvcall.h>
> +#include <asm/svm.h>
> +#include <asm/ultravisor.h>
>
> #include "xive-internal.h"
>
> @@ -501,6 +503,9 @@ static int xive_spapr_configure_queue(u32 target, struct xive_q *q, u8 prio,
> rc = -EIO;
> } else {
> q->qpage = qpage;
> + if (is_secure_guest())
> + uv_share_page(PHYS_PFN(qpage_phys),
> + 1 << xive_alloc_order(order));
If I understand this correctly, you're passing the number of bytes of
the queue to uv_share_page(), but that ultracall expects the number of
pages to be shared.
> }
> fail:
> return rc;
> @@ -534,6 +539,8 @@ static void xive_spapr_cleanup_queue(unsigned int cpu, struct xive_cpu *xc,
> hw_cpu, prio);
>
> alloc_order = xive_alloc_order(xive_queue_shift);
> + if (is_secure_guest())
> + uv_unshare_page(PHYS_PFN(__pa(q->qpage)), 1 << alloc_order);
> free_pages((unsigned long)q->qpage, alloc_order);
> q->qpage = NULL;
> }
Same problem here.
--
Thiago Jung Bauermann
IBM Linux Technology Center
