x86/kvm/hyper-v: remove stale entries from vec_bitmap/auto_eoi_bitmap on vector change
When a new vector is written to SINx we update vec_bitmap/auto_eoi_bitmap
but we forget to remove old vector from these masks (in case it is not
present in some other SINTx).
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 31d7a0a..6285cf8 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -320,6 +320,8 @@ typedef struct _HV_REFERENCE_TSC_PAGE {
#define HV_SYNIC_SINT_COUNT (16)
/* Define the expected SynIC version. */
#define HV_SYNIC_VERSION_1 (0x1)
+/* Valid SynIC vectors are 16-255. */
+#define HV_SYNIC_FIRST_VALID_VECTOR (16)
#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)