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@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170123183514.13356-2-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e487493bbd47f0f84caed99f6c952bf6b3062413..7b6fd68b471507876ac97663266d55d31930e13b 100644 (file)
--- 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 517619ea6498b41839f87f28bce4a76b1e43c7ab..99165b206df33ad80946ca9f9d4fdb1cf19be5e9 100644 (file)
--- 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();