From d6bd0e6b32ea72be91e5789b1e838c244f8a05d9 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 14 Mar 2006 23:46:58 +0000
Subject: [PATCH] [MIPS] Protect more of timer_interrupt() by xtime_lock.

From Dave Johnson <djohnson+linuxmips@sw.starentnetworks.com>:

* do_timer() expects the arch-specific handler to take the lock as it
  modifies jiffies[_64] and xtime.
* writing timerhi/lo in timer_interrupt() will mess up
  fixed_rate_gettimeoffset() which reads timerhi/lo.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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