From: Ian Campbell <ian.campb...@citrix.com>
Allows for more fine grained error reporting. Only used by PVH and
ARM both of which are marked EXPERIMENTAL precisely because the ABI
is not yet stable
Signed-off-by: Ian Campbell <ian.campb...@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
---
arch/x86/xen/mmu.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 1d1fbdb..a31449f 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2541,14 +2541,16 @@ static int pvh_add_to_xen_p2m(unsigned long lpfn,
unsigned long fgmfn,
};
xen_ulong_t idx = fgmfn;
xen_pfn_t gpfn = lpfn;
+ int err = 0;
set_xen_guest_handle(xatp.idxs, &idx);
set_xen_guest_handle(xatp.gpfns, &gpfn);
+ set_xen_guest_handle(xatp.errs, &err);
rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap_range, &xatp);
- if (rc)
- pr_warn("d0: Failed to map pfn (0x%lx) to mfn (0x%lx) rc:%d\n",
- lpfn, fgmfn, rc);
+ if (rc || err)
+ pr_warn("d0: Failed to map pfn (0x%lx) to mfn (0x%lx)
rc:%d:%d\n",
+ lpfn, fgmfn, rc, err);
return rc;
}
--
1.7.7.6
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