From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Sat, 13 Mar 2010 08:11:16 +0000 (+0300)
Subject: x86, perf: Unmask LVTPC only if we have APIC supported
X-Git-Tag: v2.6.35-rc1~522^2~198
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8576e1971663ffdb6139041de97cdd2e1d4791cc;p=pandora-kernel.git

x86, perf: Unmask LVTPC only if we have APIC supported

Ingo reported:

 |
 | There's a build failure on -tip with the P4 driver, on UP 32-bit, if
 | PERF_EVENTS is enabled but UP_APIC is disabled:
 |
 | arch/x86/built-in.o: In function `p4_pmu_handle_irq':
 | perf_event.c:(.text+0xa756): undefined reference to `apic'
 | perf_event.c:(.text+0xa76e): undefined reference to `apic'
 |

So we have to unmask LVTPC only if we're configured to have one.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
CC: Lin Ming <ming.m.lin@intel.com>
CC: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100313081116.GA5179@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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