From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/x86/oprofile/init.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 kernel/arch/x86/oprofile/init.c (limited to 'kernel/arch/x86/oprofile/init.c') diff --git a/kernel/arch/x86/oprofile/init.c b/kernel/arch/x86/oprofile/init.c new file mode 100644 index 000000000..9e138d00a --- /dev/null +++ b/kernel/arch/x86/oprofile/init.c @@ -0,0 +1,38 @@ +/** + * @file init.c + * + * @remark Copyright 2002 OProfile authors + * @remark Read the file COPYING + * + * @author John Levon + */ + +#include +#include +#include + +/* + * We support CPUs that have performance counters like the Pentium Pro + * with the NMI mode driver. + */ + +#ifdef CONFIG_X86_LOCAL_APIC +extern int op_nmi_init(struct oprofile_operations *ops); +extern void op_nmi_exit(void); +#else +static int op_nmi_init(struct oprofile_operations *ops) { return -ENODEV; } +static void op_nmi_exit(void) { } +#endif + +extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth); + +int __init oprofile_arch_init(struct oprofile_operations *ops) +{ + ops->backtrace = x86_backtrace; + return op_nmi_init(ops); +} + +void oprofile_arch_exit(void) +{ + op_nmi_exit(); +} -- cgit 1.2.3-korg