Patch "x86/ras/inject: Make it depend on X86_LOCAL_APIC=y" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

x86/ras/inject: Make it depend on X86_LOCAL_APIC=y

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:

     x86-ras-inject-make-it-depend-on-x86_local_apic-y.patch

and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From d4b2ac63b0eae461fc10c9791084be24724ef57a Mon Sep 17 00:00:00 2001
From: Borislav Petkov <[email protected]>
Date: Mon, 23 Jan 2017 19:35:06 +0100
Subject: x86/ras/inject: Make it depend on X86_LOCAL_APIC=y
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From: Borislav Petkov <[email protected]>

commit d4b2ac63b0eae461fc10c9791084be24724ef57a upstream.

... and get rid of the annoying:

arch/x86/kernel/cpu/mcheck/mce-inject.c:97:13: warning: ‘mce_irq_ipi’ defined but not used [-Wunused-function]

when doing randconfig builds.

---
 arch/x86/Kconfig                        |    2 +-
 arch/x86/kernel/cpu/mcheck/mce-inject.c |    5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/x86-vm86-fix-unused-variable-warning-if-thp-is-disabled.patch queue-4.9/x86-ras-inject-make-it-depend-on-x86_local_apic-y.patch queue-4.9/mm-early_ioremap-fix-boot-hang-with-earlyprintk-efi-keep.patch queue-4.9/platform-x86-intel_mid_thermal-fix-suspend-handlers-unused-warning.patch queue-4.9/x86-microcode-amd-change-load_microcode_amd-s-param-to-bool-to-fix-preemptibility-bug.patch queue-4.9/pci-vmd-fix-suspend-handlers-defined-but-not-used-warning.patch
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@@ -1057,7 +1057,7 @@ config X86_MCE_THRESHOLD
 	def_bool y
 
 config X86_MCE_INJECT
-	depends on X86_MCE
+	depends on X86_MCE && X86_LOCAL_APIC
 	tristate "Machine check injector support"
 	---help---
 	  Provide support for injecting machine checks for testing purposes.

@@ -152,7 +152,6 @@ static void raise_mce(struct mce *m)
 	if (context == MCJ_CTX_RANDOM)
 		return;
 
-#ifdef CONFIG_X86_LOCAL_APIC
 	if (m->inject_flags & (MCJ_IRQ_BROADCAST | MCJ_NMI_BROADCAST)) {
 		unsigned long start;
 		int cpu;

@@ -192,9 +191,7 @@ static void raise_mce(struct mce *m)
 		raise_local();
 		put_cpu();
 		put_online_cpus();
-	} else
-#endif
-	{
+	} else {
 		preempt_disable();
 		raise_local();
 		preempt_enable();