tree caf1d25a448fdf56878de7fb700b26655676ca0d
parent 5dd12af05ca6b7d052c06a9ca4ff755fdfa25ae4
author H. Peter Anvin <hpa@linux.intel.com> 1303768357 -0700
committer H. Peter Anvin <hpa@linux.intel.com> 1303768357 -0700

x86, setup: When probing memory with e801, use ax/bx as a pair

When we use BIOS function e801 to probe memory, we should use ax/bx
(or cx/dx) as a pair, not mix and match.  This was a typo during the
translation from assembly code, and breaks at least one set of
machines in the field (which return cx = dx = 0).

Reported-and-tested-by: Chris Samuel <chris@csamuel.org>
Fix-proposed-by: Thomas Meyer <thomas@m3y3r.de>
Link: http://lkml.kernel.org/r/1303566747.12067.10.camel@localhost.localdomain