lkml.org 
[lkml]   [2012]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:x86/debug] x86: Properly _init-annotate NMI selftest code
Commit-ID:  f0ba662a6e06f2fb58201800eff33dcad9246f97
Gitweb: http://git.kernel.org/tip/f0ba662a6e06f2fb58201800eff33dcad9246f97
Author: Jan Beulich <JBeulich@suse.com>
AuthorDate: Fri, 24 Feb 2012 12:09:21 +0000
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 27 Feb 2012 08:43:37 +0100

x86: Properly _init-annotate NMI selftest code

After all, this code is being run once at boot only (if
configured in at all).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Link: http://lkml.kernel.org/r/4F478C010200007800074A3D@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/nmi_selftest.c | 37 +++++++++++++++++++------------------
1 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c
index 0d01a8e..2c39dcd 100644
--- a/arch/x86/kernel/nmi_selftest.c
+++ b/arch/x86/kernel/nmi_selftest.c
@@ -12,6 +12,7 @@
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/delay.h>
+#include <linux/init.h>

#include <asm/apic.h>
#include <asm/nmi.h>
@@ -20,35 +21,35 @@
#define FAILURE 1
#define TIMEOUT 2

-static int nmi_fail;
+static int __initdata nmi_fail;

/* check to see if NMI IPIs work on this machine */
-static DECLARE_BITMAP(nmi_ipi_mask, NR_CPUS) __read_mostly;
+static DECLARE_BITMAP(nmi_ipi_mask, NR_CPUS) __initdata;

-static int testcase_total;
-static int testcase_successes;
-static int expected_testcase_failures;
-static int unexpected_testcase_failures;
-static int unexpected_testcase_unknowns;
+static int __initdata testcase_total;
+static int __initdata testcase_successes;
+static int __initdata expected_testcase_failures;
+static int __initdata unexpected_testcase_failures;
+static int __initdata unexpected_testcase_unknowns;

-static int nmi_unk_cb(unsigned int val, struct pt_regs *regs)
+static int __init nmi_unk_cb(unsigned int val, struct pt_regs *regs)
{
unexpected_testcase_unknowns++;
return NMI_HANDLED;
}

-static void init_nmi_testsuite(void)
+static void __init init_nmi_testsuite(void)
{
/* trap all the unknown NMIs we may generate */
register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk");
}

-static void cleanup_nmi_testsuite(void)
+static void __init cleanup_nmi_testsuite(void)
{
unregister_nmi_handler(NMI_UNKNOWN, "nmi_selftest_unk");
}

-static int test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
+static int __init test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
{
int cpu = raw_smp_processor_id();

@@ -58,7 +59,7 @@ static int test_nmi_ipi_callback(unsigned int val, struct pt_regs *regs)
return NMI_DONE;
}

-static void test_nmi_ipi(struct cpumask *mask)
+static void __init test_nmi_ipi(struct cpumask *mask)
{
unsigned long timeout;

@@ -86,7 +87,7 @@ static void test_nmi_ipi(struct cpumask *mask)
return;
}

-static void remote_ipi(void)
+static void __init remote_ipi(void)
{
cpumask_copy(to_cpumask(nmi_ipi_mask), cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
@@ -94,19 +95,19 @@ static void remote_ipi(void)
test_nmi_ipi(to_cpumask(nmi_ipi_mask));
}

-static void local_ipi(void)
+static void __init local_ipi(void)
{
cpumask_clear(to_cpumask(nmi_ipi_mask));
cpumask_set_cpu(smp_processor_id(), to_cpumask(nmi_ipi_mask));
test_nmi_ipi(to_cpumask(nmi_ipi_mask));
}

-static void reset_nmi(void)
+static void __init reset_nmi(void)
{
nmi_fail = 0;
}

-static void dotest(void (*testcase_fn)(void), int expected)
+static void __init dotest(void (*testcase_fn)(void), int expected)
{
testcase_fn();
/*
@@ -131,12 +132,12 @@ static void dotest(void (*testcase_fn)(void), int expected)
reset_nmi();
}

-static inline void print_testname(const char *testname)
+static inline void __init print_testname(const char *testname)
{
printk("%12s:", testname);
}

-void nmi_selftest(void)
+void __init nmi_selftest(void)
{
init_nmi_testsuite();


\
 
 \ /
  Last update: 2012-02-27 10:41    [W:0.040 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site