From: Shannon Zhao <shannon.z...@linaro.org>
To avoid a lot of possible error logs in function map_dev_mmio_region,
make it printk ratelimited.
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
---
xen/arch/arm/p2m.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 0011708..be4ab9d 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1284,8 +1284,9 @@ int map_dev_mmio_region(struct domain *d,
res = map_mmio_regions(d, start_gfn, nr, mfn);
if ( res < 0 )
{
- printk(XENLOG_ERR "Unable to map [%#lx - %#lx] in Dom%d\n",
- start_gfn, start_gfn + nr - 1, d->domain_id);
+ if ( printk_ratelimit() )
+ printk(XENLOG_ERR "Unable to map [%#lx - %#lx] in Dom%d\n",
+ start_gfn, start_gfn + nr - 1, d->domain_id);
return res;
}
--
2.0.4
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