[tip:x86/apic] x86/x2apic: Clarify remapping mode for x2apic enablement

From: tip-bot for Thomas Gleixner
Date: Thu Jan 22 2015 - 09:27:30 EST


Commit-ID: 62e61633daeb0b53f0506aa6e170e2e4cc75cd65
Gitweb: http://git.kernel.org/tip/62e61633daeb0b53f0506aa6e170e2e4cc75cd65
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 15 Jan 2015 21:22:21 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 22 Jan 2015 15:10:55 +0100

x86/x2apic: Clarify remapping mode for x2apic enablement

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>
Acked-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20150115211702.876012628@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/kernel/apic/apic.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index bda56ee..06b7521 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/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;
}
@@ -1611,7 +1611,7 @@ static int __init validate_x2apic(void)
}
early_initcall(validate_x2apic);

-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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