[patch 08/23] x86/x2apic: Clarify remapping mode for x2apic enablement

From: Thomas Gleixner
Date: Thu Jan 15 2015 - 16:22:42 EST


Rename the argument of try_to_enable_x2apic() so the purpose becomes
more clear.

Make the pr_warning more consistent and avoid the double print of
"disabling".

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/kernel/apic/apic.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

Index: tip/arch/x86/kernel/apic/apic.c
===================================================================
--- tip.orig/arch/x86/kernel/apic/apic.c
+++ tip/arch/x86/kernel/apic/apic.c
@@ -1561,19 +1561,19 @@ void enable_x2apic(void)
}
}

-static __init void try_to_enable_x2apic(int ir_stat)
+static __init void try_to_enable_x2apic(int remap_mode)
{
if (!x2apic_supported())
return;

- if (ir_stat != IRQ_REMAP_X2APIC_MODE) {
+ if (remap_mode != IRQ_REMAP_X2APIC_MODE) {
/* IR is required if there is APIC ID > 255 even when running
* under KVM
*/
if (max_physical_apicid > 255 ||
(IS_ENABLED(CONFIG_HYPERVISOR_GUEST) &&
!hypervisor_x2apic_available())) {
- pr_info("IRQ remapping doesn't support X2APIC mode, disable x2apic.\n");
+ pr_info("x2apic: IRQ remapping doesn't support X2APIC mode\n");
disable_x2apic();
return;
}
@@ -1609,7 +1609,7 @@ void __init check_x2apic(void)
*/
panic("BIOS has enabled x2apic but kernel doesn't support x2apic, please disable x2apic in BIOS.\n");
}
-static inline void try_to_enable_x2apic(int ir_stat) { }
+static inline void try_to_enable_x2apic(int remap_mode) { }
#endif /* !CONFIG_X86_X2APIC */

static int __init try_to_enable_IR(void)


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