Commit 79ca5f77 authored by Jan Beulich's avatar Jan Beulich Committed by Juergen Gross
Browse files

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: default avatarJan Beulich <jbeulich@suse.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/56477481-87da-4962-9661-5e1b277efde0@suse.com


Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent d9a688ad

drivers/xen/swiotlb-xen.c

+2 −1
Original line number Diff line number Diff line
@@ -184,7 +184,7 @@ int __ref xen_swiotlb_init(void) 
		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 @@ int __ref xen_swiotlb_init(void) 
		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;

}