linux-kernel - [PATCH v2 3/3] x86/mce: Make mce_notify_irq() depend on CONFIG_X86_MCELOG

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Message-ID: <20250210154707.114219-4-nik.borisov@suse.com>
Date: Mon, 10 Feb 2025 17:47:06 +0200
From: Nikolay Borisov <nik.borisov@...e.com>
To: linux-edac@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	x86@...nel.org,
	tony.luck@...el.com,
	Nikolay Borisov <nik.borisov@...e.com>
Subject: [PATCH v2 3/3] x86/mce: Make mce_notify_irq() depend on CONFIG_X86_MCELOG_LEGACY

mce_notify_irq() really depends on the legacy mcelog being enabled as
otherwise mce_work_trigger() will never schedule the trigger work as
mce_helper can't be set unless CONFIG_X86_MCELOG_LEGACY is defined.

Signed-off-by: Nikolay Borisov <nik.borisov@...e.com>
---
 arch/x86/kernel/cpu/mce/core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index d55b1903fde6..8b8553e144ce 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -591,11 +591,13 @@ EXPORT_SYMBOL_GPL(mce_is_correctable);
  */
 static int mce_notify_irq(void)
 {
+#ifdef CONFIG_X86_MCELOG_LEGACY
+
 	if (test_and_clear_bit(0, &mce_need_notify)) {
 		mce_work_trigger();
 		return 1;
 	}
-
+#endif
 	return 0;
 }
 
-- 
2.43.0