From: Michael S. Tsirkin Date: Thu, 28 Feb 2013 11:33:16 +0000 (+0100) Subject: virtio_ccw: pass a cookie value to kvm hypercall X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~32^2~125 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07e169335ff0570c6e67b5ccf74d793f00ab0834;p=pandora-kernel.git virtio_ccw: pass a cookie value to kvm hypercall Lookups by channel/vq pair on host during virtio notifications might be expensive. Interpret hypercall return value as a cookie which host can use to do device lookups for the next notification more efficiently. [CH: Fix line > 80 chars] Tested-by: Christian Borntraeger Reviewed-by: Christian Borntraeger Signed-off-by: Michael S. Tsirkin Signed-off-by: Cornelia Huck Signed-off-by: Marcelo Tosatti --- Reading git-diff-tree failed