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authorJan Beulich <jbeulich@suse.com>2021-09-07 15:05:54 +0300
committerJuergen Gross <jgross@suse.com>2021-09-15 09:42:04 +0300
commit79ca5f778aafbd69727d577b58d913c9ce8400be (patch)
treea676b63eaa5644780c15ec284f5a5a3a869bb468 /drivers/xen
parentd9a688add3d412c840e31060847a6a297b552316 (diff)
downloadlinux-79ca5f778aafbd69727d577b58d913c9ce8400be.tar.xz
swiotlb-xen: suppress certain init retries
Only on the 2nd of the paths leading to xen_swiotlb_init()'s "error" label it is useful to retry the allocation; the first one did already iterate through all possible order values. Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/56477481-87da-4962-9661-5e1b277efde0@suse.com Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 08fc694f05b7..6520d05e62ef 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -184,7 +184,7 @@ retry:
order--;
}
if (!start)
- goto error;
+ goto exit;
if (order != get_order(bytes)) {
pr_warn("Warning: only able to allocate %ld MB for software IO TLB\n",
(PAGE_SIZE << order) >> 20);
@@ -214,6 +214,7 @@ error:
pr_info("Lowering to %luMB\n", bytes >> 20);
goto retry;
}
+exit:
pr_err("%s (rc:%d)\n", xen_swiotlb_error(m_ret), rc);
return rc;
}