From: Max Filippov <jcmvbkbc@gmail.com>
Date: Wed, 30 Oct 2013 12:18:25 +0000 (+0400)
Subject: xtensa: save current register frame in fast_syscall_spill_registers_fixup
X-Git-Tag: v3.14-rc5~25^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3251f1e27a5a17f0efd436cfd1e7b9896cfab0a0;p=pandora-kernel.git

xtensa: save current register frame in fast_syscall_spill_registers_fixup

We need it saved because it contains a3 where we track which register
windows we still need to spill, and fixup handler may call C exception
handlers. Also fix comments.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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