Messages in this thread Patch in this message |  | | From | Roger Pau Monne <> | | Subject | [PATCH 1/2] xen/x2apic: enable x2apic mode when supported | | Date | Thu, 20 Jan 2022 16:25:26 +0100 |
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There's no point in disabling x2APIC mode when running as a Xen HVM guest, just enable it when available.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> --- Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: xen-devel@lists.xenproject.org --- arch/x86/xen/enlighten_hvm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 42300941ec29..ab8171cbee23 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -9,6 +9,7 @@ #include <xen/events.h> #include <xen/interface/memory.h> +#include <asm/apic.h> #include <asm/cpu.h> #include <asm/smp.h> #include <asm/io_apic.h> @@ -248,7 +249,7 @@ bool __init xen_hvm_need_lapic(void) return false; if (!xen_hvm_domain()) return false; - if (xen_feature(XENFEAT_hvm_pirqs) && xen_have_vector_callback) + if (!x2apic_supported()) return false; return true; } -- 2.34.1
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