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authorH. Peter Anvin <hpa@linux.intel.com>2013-04-20 09:16:44 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2013-04-20 09:16:44 -0700
commitf53f292eeaa234615c31a1306babe703fc4263f2 (patch)
tree707b0933a20f7dc05495e974243a23b5c9f8c918 /arch/x86/kernel/apic/x2apic_phys.c
parent15b9c359f288b09003cb70f7ed204affc0c6614d (diff)
parenta9499fa7cd3fd4824a7202d00c766b269fa3bda6 (diff)
downloadtalos-obmc-linux-f53f292eeaa234615c31a1306babe703fc4263f2.tar.gz
talos-obmc-linux-f53f292eeaa234615c31a1306babe703fc4263f2.zip
Merge remote-tracking branch 'efi/chainsaw' into x86/efi
Resolved Conflicts: drivers/firmware/efivars.c fs/efivarsfs/file.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index e03a1e180e81..562a76d433c8 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -20,18 +20,19 @@ static int set_x2apic_phys_mode(char *arg)
}
early_param("x2apic_phys", set_x2apic_phys_mode);
-static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static bool x2apic_fadt_phys(void)
{
- if (x2apic_phys)
- return x2apic_enabled();
- else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
- (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
- x2apic_enabled()) {
+ 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 1;
+ return true;
}
- else
- return 0;
+ return false;
+}
+
+static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys());
}
static void
@@ -82,7 +83,7 @@ static void init_x2apic_ldr(void)
static int x2apic_phys_probe(void)
{
- if (x2apic_mode && x2apic_phys)
+ if (x2apic_mode && (x2apic_phys || x2apic_fadt_phys()))
return 1;
return apic == &apic_x2apic_phys;
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