Commit-ID:  d4b2ac63b0eae461fc10c9791084be24724ef57a
Gitweb:     http://git.kernel.org/tip/d4b2ac63b0eae461fc10c9791084be24724ef57a
Author:     Borislav Petkov <[email protected]>
AuthorDate: Mon, 23 Jan 2017 19:35:06 +0100
Committer:  Ingo Molnar <[email protected]>
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 <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Yazen Ghannam <[email protected]>
Cc: linux-edac <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 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();

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