X2APIC will be disabled if user specifies "nox2apic" on kernel command line, even when x2apic_preenabled is true. So correctly detect X2APIC status by using x2apic_enabled() instead of x2apic_preenabled.
Signed-off-by: Jiang Liu <[email protected]> --- arch/x86/kernel/apic/apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 4a65e1aced33..ab7c7f9eb85f 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1580,7 +1580,7 @@ int __init enable_IR(void) return -1; } - if (!x2apic_preenabled && skip_ioapic_setup) { + if (!x2apic_enabled() && skip_ioapic_setup) { pr_info("Skipped enabling intr-remap because of skipping " "io-apic setup\n"); return -1; -- 1.7.10.4 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
