From: Jon Mason Date: Sat, 19 Jan 2013 09:02:26 +0000 (-0700) Subject: NTB: Remove reads across NTB X-Git-Tag: v3.9-rc1~124^2~46 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=793c20e9c924e6bc91bc9b1c98e2f6b8e1bf2fae;p=pandora-kernel.git NTB: Remove reads across NTB CPU reads across NTB are slow(er) and can hang the local system if an ECC error is encountered on the remote. To work around the need for a read, have the remote side write its current position in the rx buffer to the local system's buffer and use that to see if there is room when transmitting. Signed-off-by: Jon Mason Signed-off-by: Greg Kroah-Hartman --- Reading git-diff-tree failed