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authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-01 21:41:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-01 21:41:07 -0700
commit12ca7c8db30d36e0ba1d00d17fc8c85f9ebfdf47 (patch)
tree3b9d0cfe07c4d90dc9b21eb65f5097c75635b055
parenta52bbaf4a3b81e07430a91ee37ea76557c2c02ed (diff)
parent5ba039a55498d78a787edaf8cc915f29a17cecf3 (diff)
Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Ingo Molnar: "Two small cleanups" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Fix a comment in init_apic_mappings() x86/apic: Remove the SET_APIC_ID(x) macro
-rw-r--r--arch/x86/include/asm/apic.h7
-rw-r--r--arch/x86/kernel/apic/apic.c6
2 files changed, 4 insertions, 9 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 847650b14558..2d75faf743f2 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1793,8 +1793,8 @@ void __init init_apic_mappings(void)
apic_phys = mp_lapic_addr;
/*
- * acpi lapic path already maps that address in
- * acpi_register_lapic_address()
+ * If the system has ACPI MADT tables or MP info, the LAPIC
+ * address is already registered.
*/
if (!acpi_lapic && !smp_found_config)
register_lapic_address(apic_phys);
@@ -2241,7 +2241,7 @@ 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