Maarten Lankhorst 1d12d35284 oprofile, x86: Convert memory allocation to static array ... On -rt, allocators don't work from atomic context any more, and the maximum size of the array is known at compile time. Call trace on a -rt kernel: oprofile: using NMI interrupt. BUG: sleeping function called from invalid context at kernel/rtmutex.c:645 in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: kworker/0:1 Pid: 0, comm: kworker/0:1 Tainted: G C 3.0.0-rt3-patser+ #39 Call Trace: <IRQ> [<ffffffff8103fc0a>] __might_sleep+0xca/0xf0 [<ffffffff8160d424>] rt_spin_lock+0x24/0x40 [<ffffffff811476c7>] __kmalloc+0xc7/0x370 [<ffffffffa0275c85>] ? ppro_setup_ctrs+0x215/0x260 [oprofile] [<ffffffffa0273de0>] ? oprofile_cpu_notifier+0x60/0x60 [oprofile] [<ffffffffa0275c85>] ppro_setup_ctrs+0x215/0x260 [oprofile] [<ffffffffa0273de0>] ? oprofile_cpu_notifier+0x60/0x60 [oprofile] [<ffffffffa0273de0>] ? oprofile_cpu_notifier+0x60/0x60 [oprofile] [<ffffffffa0273ea4>] nmi_cpu_setup+0xc4/0x110 [oprofile] [<ffffffff81094455>] generic_smp_call_function_interrupt+0x95/0x190 [<ffffffff8101df77>] smp_call_function_interrupt+0x27/0x40 [<ffffffff81615093>] call_function_interrupt+0x13/0x20 <EOI> [<ffffffff8131d0c4>] ? plist_check_head+0x54/0xc0 [<ffffffff81371fe8>] ? intel_idle+0xc8/0x120 [<ffffffff81371fc7>] ? intel_idle+0xa7/0x120 [<ffffffff814a57b0>] cpuidle_idle_call+0xb0/0x230 [<ffffffff810011db>] cpu_idle+0x8b/0xe0 [<ffffffff815fc82f>] start_secondary+0x1d3/0x1d8 Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com> Signed-off-by: Robert Richter <robert.richter@amd.com>		2011-08-01 22:54:19 +02:00
..
backtrace.c	x86, perf: Make copy_from_user_nmi() a library function	2011-07-21 20:41:57 +02:00
init.c	x86: coding style fixes to arch/x86/oprofile/init.c	2008-04-17 17:40:49 +02:00
Makefile	x86/oprofile: reanaming op_model_athlon.c to op_model_amd.c	2008-07-26 11:48:14 +02:00
nmi_int.c	oprofile, x86: Fix race in nmi handler while starting counters	2011-06-15 14:31:29 +02:00
nmi_timer_int.c	x86, NMI: Add priorities to handlers	2011-01-07 15:08:52 +01:00
op_counter.h	oprofile, x86: Allow setting EDGE/INV/CMASK for counter events	2011-03-24 18:45:44 +01:00
op_model_amd.c	oprofile, x86: Add comments to IBS LVT offset initialization	2011-05-30 16:36:54 +02:00
op_model_p4.c	Kill off warning: ‘inline’ is not at beginning of declaration	2011-01-19 15:43:08 +01:00
op_model_ppro.c	oprofile, x86: Convert memory allocation to static array	2011-08-01 22:54:19 +02:00
op_x86_model.h	oprofile/x86: make AMD IBS hotplug capable	2010-05-06 15:11:15 +02:00