linux-kernel - [tip:ras/core] x86/ras/inject: Make it depend on X86_LOCAL

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Date:   Tue, 24 Jan 2017 00:46:49 -0800
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...e.de, hpa@...or.com, linux-kernel@...r.kernel.org,
        peterz@...radead.org, torvalds@...ux-foundation.org,
        tglx@...utronix.de, mingo@...nel.org, Yazen.Ghannam@....com,
        linux-edac@...r.kernel.org, tony.luck@...el.com
Subject: [tip:ras/core] x86/ras/inject: Make it depend on X86_LOCAL_APIC=y

Commit-ID:  d4b2ac63b0eae461fc10c9791084be24724ef57a
Gitweb:     http://git.kernel.org/tip/d4b2ac63b0eae461fc10c9791084be24724ef57a
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Mon, 23 Jan 2017 19:35:06 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 24 Jan 2017 09:14:52 +0100

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

... 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.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Yazen Ghannam <Yazen.Ghannam@....com>
Cc: linux-edac <linux-edac@...r.kernel.org>
Link: http://lkml.kernel.org/r/20170123183514.13356-2-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/Kconfig                        | 2 +-
 arch/x86/kernel/cpu/mcheck/mce-inject.c | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e487493..7b6fd68 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1070,7 +1070,7 @@ 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.
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 517619e..99165b2 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -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();