From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 28 Feb 2012 19:46:04 +0000 (+0000)
Subject: x86: vdso: Remove bogus locking in update_vsyscall_tz()
X-Git-Tag: v3.4-rc1~44^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c260d586343f7f78239d90aa9e2cfed02f74ff3;p=pandora-kernel.git

x86: vdso: Remove bogus locking in update_vsyscall_tz()

Changing the sequence count in update_vsyscall_tz() is completely
pointless.

The vdso code copies the data unprotected. There is no point to change
this as sys_tz is nowhere protected at all. See sys_gettimeofday().

Reviewed-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---

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