On 14/06/16 09:45 AM, Allen Hubbe wrote: > > Feel free to disregard my suggestion above. I hope my comment has not cost you too much time. > > The way you have written it already, and used it in the self-test script is much more concise. > >>> + * root@self# echo > $DBG_DIR/link > > Acked-by: Allen.Hubbe@xxxxxxx > > > > Eventually, I think it would be useful to let ntb_tool enable and disable the link. In that case, it might also be useful in a test script to wait for link down, not just link up. > > What about this: > > # Wait for the link to be up or down > root@self# echo 1 > $DBG_DIR/link > root@self# echo 0 > $DBG_DIR/link > > It need not be a part of this patch, but eventually: > > # Enable or disable the link > root@self# echo 1 > $DBG_DIR/link_ctrl > root@self# echo 0 > $DBG_DIR/link_ctrl > > # Reading the link_ctrl file can also give the link status > root@self# cat $DBG_DIR/link_ctrl > > Finally, I wonder if the file called "link" in this patch should be called "link_wait" or similar, so its purpose is obviously not for enabling and disabling the link. > Actually I've already implemented something similar to your original suggestion. I'll be submitting a v2 of this set shortly. Logan -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html