diff options
| author | Dou Liyang <douly.fnst@cn.fujitsu.com> | 2017-03-08 19:07:50 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-03-13 21:28:38 +0100 |
| commit | 5d64d209c4f672e221ea304106b30793f10d95a4 (patch) | |
| tree | 6c57dde0f673afd4122bf9fef087756b1f3fc84a /arch/x86 | |
| parent | 4495c08e84729385774601b5146d51d9e5849f81 (diff) | |
x86/apic: Remove the SET_APIC_ID(x) macro
The SET_APIC_ID() macro obfusates the code. Remove it to increase
readability and add a comment to the apic struct to document that the
callback is required on 64-bit.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Link: http://lkml.kernel.org/r/1488971270-14359-1-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 2 |
2 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 730ef65e8393..bdffcd9eab2b 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -252,12 +252,6 @@ static inline int x2apic_enabled(void) { return 0; } #define x2apic_supported() (0) #endif /* !CONFIG_X86_X2APIC */ -#ifdef CONFIG_X86_64 -#define SET_APIC_ID(x) (apic->set_apic_id(x)) -#else - -#endif - /* * Copyright 2004 James Cleverdon, IBM. * Subject to the GNU Public License, v.2 @@ -299,6 +293,7 @@ struct apic { int (*phys_pkg_id)(int cpuid_apic, int index_msb); unsigned int (*get_apic_id)(unsigned long x); + /* Can't be NULL on 64-bit */ unsigned long (*set_apic_id)(unsigned int id); int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index aee7deddabd0..f3034ba0d043 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2249,7 +2249,7 @@ void __init apic_set_eoi_write(void (*eoi_write)(u32 reg, u32 v)) static void __init apic_bsp_up_setup(void) { #ifdef CONFIG_X86_64 - apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid)); + apic_write(APIC_ID, apic->set_apic_id(boot_cpu_physical_apicid)); #else /* * Hack: In case of kdump, after a crash, kernel might be booting |