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Subject[tip:x86/cleanups] x86/smp: Reduce code duplication
Commit-ID:  0f08c3b22996c91cff62c96cf4b3db88902e12a9
Gitweb: http://git.kernel.org/tip/0f08c3b22996c91cff62c96cf4b3db88902e12a9
Author: Dou Liyang <douly.fnst@cn.fujitsu.com>
AuthorDate: Sun, 9 Apr 2017 18:46:45 +0800
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 14 Apr 2017 22:43:00 +0200

x86/smp: Reduce code duplication

The CONFIG_X86_32_SMP and CONFIG_X86_64_SMP sections in smp.h contain
duplicate defines.

Merge them and only put the difference into an #ifdeff'ed section.

[ tglx: Massaged changelog ]

Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: jaswinder@infradead.org
Link: http://lkml.kernel.org/r/1491734806-15413-1-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
arch/x86/include/asm/smp.h | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 026ea82..f64aaa7 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -149,6 +149,19 @@ void smp_store_cpu_info(int id);
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
#define cpu_acpi_id(cpu) per_cpu(x86_cpu_to_acpiid, cpu)

+/*
+ * This function is needed by all SMP systems. It must _always_ be valid
+ * from the initial startup. We map APIC_BASE very early in page_setup(),
+ * so this is correct in the x86 case.
+ */
+#define raw_smp_processor_id() (this_cpu_read(cpu_number))
+
+#ifdef CONFIG_X86_32
+extern int safe_smp_processor_id(void);
+#else
+# define safe_smp_processor_id() smp_processor_id()
+#endif
+
#else /* !CONFIG_SMP */
#define wbinvd_on_cpu(cpu) wbinvd()
static inline int wbinvd_on_all_cpus(void)
@@ -161,22 +174,6 @@ static inline int wbinvd_on_all_cpus(void)

extern unsigned disabled_cpus;

-#ifdef CONFIG_X86_32_SMP
-/*
- * This function is needed by all SMP systems. It must _always_ be valid
- * from the initial startup. We map APIC_BASE very early in page_setup(),
- * so this is correct in the x86 case.
- */
-#define raw_smp_processor_id() (this_cpu_read(cpu_number))
-extern int safe_smp_processor_id(void);
-
-#elif defined(CONFIG_X86_64_SMP)
-#define raw_smp_processor_id() (this_cpu_read(cpu_number))
-
-#define safe_smp_processor_id() smp_processor_id()
-
-#endif
-
#ifdef CONFIG_X86_LOCAL_APIC

#ifndef CONFIG_X86_64
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