From: Xiaochun Lee <lixiaochun.2888@163.com>
To: tony.luck@intel.com, bp@alien8.de
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, linux-edac@vger.kernel.org,
linux-kernel@vger.kernel.org, lixiaochun.2888@163.com,
Xiaochun Lee <lixc17@lenovo.com>
Subject: [PATCH] x86/mce: add a switch of CONFIG_X86_MCELOG_LEGACY
Date: Wed, 11 Sep 2019 23:28:50 +0800 [thread overview]
Message-ID: <1568215730-11471-1-git-send-email-lixiaochun.2888@163.com> (raw)
From: Xiaochun Lee <lixc17@lenovo.com>
Add CONFIG_X86_MCELOG_LEGACY to control the
behavior of several functions be compiled.
Signed-off-by: Xiaochun Lee <lixc17@lenovo.com>
---
arch/x86/kernel/cpu/mce/dev-mcelog.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/mce/dev-mcelog.c b/arch/x86/kernel/cpu/mce/dev-mcelog.c
index 7c8958d..6add0ce 100644
--- a/arch/x86/kernel/cpu/mce/dev-mcelog.c
+++ b/arch/x86/kernel/cpu/mce/dev-mcelog.c
@@ -82,7 +82,7 @@ static void mce_do_trigger(struct work_struct *work)
static DECLARE_WORK(mce_trigger_work, mce_do_trigger);
-
+#ifdef CONFIG_X86_MCELOG_LEGACY
void mce_work_trigger(void)
{
if (mce_helper[0])
@@ -113,6 +113,7 @@ static ssize_t set_trigger(struct device *s, struct device_attribute *attr,
}
DEVICE_ATTR(trigger, 0644, show_trigger, set_trigger);
+#endif
/*
* mce_chrdev: Character device /dev/mcelog to read and clear the MCE log.
@@ -276,6 +277,7 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd,
}
}
+#ifdef CONFIG_X86_MCELOG_LEGACY
void mce_register_injector_chain(struct notifier_block *nb)
{
blocking_notifier_chain_register(&mce_injector_chain, nb);
@@ -287,6 +289,7 @@ void mce_unregister_injector_chain(struct notifier_block *nb)
blocking_notifier_chain_unregister(&mce_injector_chain, nb);
}
EXPORT_SYMBOL_GPL(mce_unregister_injector_chain);
+#endif
static ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf,
size_t usize, loff_t *off)
--
1.8.3.1
next reply other threads:[~2019-09-11 15:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 15:28 Xiaochun Lee [this message]
2019-09-11 15:40 ` [PATCH] x86/mce: add a switch of CONFIG_X86_MCELOG_LEGACY Borislav Petkov
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