From: David S. Miller <davem@sunset.davemloft.net>
Date: Tue, 2 Oct 2007 23:17:17 +0000 (-0700)
Subject: [SPARC64]: Don't use in/local regs for ldx/stx data in N1 memcpy.
X-Git-Tag: v2.6.23~28^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4aa2e867c5d696c0f249ad8d63d0d983b4ffaf9;p=pandora-kernel.git

[SPARC64]: Don't use in/local regs for ldx/stx data in N1 memcpy.

It doesn't matter for use in 64-bit objects, but when used in
32-bit environments the top 32-bits of the local and in
registers will get chopped off on the next register window
spill/restore which leads to difficult to track down and
subtle bugs.

Signed-off-by: David S. Miller <davem@davemloft.net>
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