From: Amit Shah Date: Thu, 26 Nov 2009 05:55:38 +0000 (+0530) Subject: virtio: console: Ensure only one process can have a port open at a time X-Git-Tag: v2.6.34-rc1~294^2~11 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c7969ccb569968a79fab3729075751bc8fc2f78;p=pandora-kernel.git virtio: console: Ensure only one process can have a port open at a time Add a guest_connected field that ensures only one process can have a port open at a time. This also ensures we don't have a race when we later add support for dropping buffers when closing the char dev and buffer caching is turned off for the particular port. Signed-off-by: Amit Shah Signed-off-by: Rusty Russell --- Reading git-diff-tree failed