* [PATCH] x86/x2apic: acpi_gbl_FADT existence depends on CONFIG_ACPI
@ 2015-05-04 15:58 Jan Kiszka
2015-05-05 12:03 ` [tip:x86/apic] x86/x2apic: Acpi_gbl_FADT " tip-bot for Jan Kiszka
0 siblings, 1 reply; 2+ messages in thread
From: Jan Kiszka @ 2015-05-04 15:58 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar, H. Peter Anvin
Cc: Linux Kernel Mailing List, x86
If ACPI is disabled, acpi_gbl_FADT is not available, and and the build
breaks.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
arch/x86/kernel/apic/x2apic_phys.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 6fae733..3ffd925 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -21,11 +21,13 @@ early_param("x2apic_phys", set_x2apic_phys_mode);
static bool x2apic_fadt_phys(void)
{
+#ifdef CONFIG_ACPI
if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
return true;
}
+#endif
return false;
}
--
2.1.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip:x86/apic] x86/x2apic: Acpi_gbl_FADT existence depends on CONFIG_ACPI
2015-05-04 15:58 [PATCH] x86/x2apic: acpi_gbl_FADT existence depends on CONFIG_ACPI Jan Kiszka
@ 2015-05-05 12:03 ` tip-bot for Jan Kiszka
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Jan Kiszka @ 2015-05-05 12:03 UTC (permalink / raw)
To: linux-tip-commits; +Cc: hpa, linux-kernel, jan.kiszka, mingo, tglx
Commit-ID: 781674fc33adf0d975a361e111bb45804356aa23
Gitweb: http://git.kernel.org/tip/781674fc33adf0d975a361e111bb45804356aa23
Author: Jan Kiszka <jan.kiszka@siemens.com>
AuthorDate: Mon, 4 May 2015 17:58:00 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 5 May 2015 14:01:37 +0200
x86/x2apic: Acpi_gbl_FADT existence depends on CONFIG_ACPI
If ACPI is disabled, acpi_gbl_FADT is not available, and and the build
breaks.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Link: http://lkml.kernel.org/r/55479708.2000104@siemens.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/apic/x2apic_phys.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 6fae733..3ffd925 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -21,11 +21,13 @@ early_param("x2apic_phys", set_x2apic_phys_mode);
static bool x2apic_fadt_phys(void)
{
+#ifdef CONFIG_ACPI
if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
return true;
}
+#endif
return false;
}
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2015-05-05 12:04 UTC | newest]
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2015-05-04 15:58 [PATCH] x86/x2apic: acpi_gbl_FADT existence depends on CONFIG_ACPI Jan Kiszka
2015-05-05 12:03 ` [tip:x86/apic] x86/x2apic: Acpi_gbl_FADT " tip-bot for Jan Kiszka
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