diff options
Diffstat (limited to 'drivers/virt')
| -rw-r--r-- | drivers/virt/vboxguest/vboxguest_core.c | 20 | ||||
| -rw-r--r-- | drivers/virt/vboxguest/vboxguest_core.h | 9 |
2 files changed, 15 insertions, 14 deletions
diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c index 18ebd7a6af98..aee5eff229f2 100644 --- a/drivers/virt/vboxguest/vboxguest_core.c +++ b/drivers/virt/vboxguest/vboxguest_core.c @@ -699,17 +699,17 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev, mutex_lock(&gdev->session_mutex); /* Apply the changes to the session mask. */ - previous = session->guest_caps; - session->guest_caps |= or_mask; - session->guest_caps &= ~not_mask; + previous = session->set_guest_caps; + session->set_guest_caps |= or_mask; + session->set_guest_caps &= ~not_mask; /* If anything actually changed, update the global usage counters. */ - changed = previous ^ session->guest_caps; + changed = previous ^ session->set_guest_caps; if (!changed) goto out; - vbg_track_bit_usage(&gdev->guest_caps_tracker, changed, previous); - or_mask = gdev->guest_caps_tracker.mask; + vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed, previous); + or_mask = gdev->set_guest_caps_tracker.mask; if (gdev->guest_caps_host == or_mask || !req) goto out; @@ -726,9 +726,9 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev, if (session_termination) goto out; - vbg_track_bit_usage(&gdev->guest_caps_tracker, changed, - session->guest_caps); - session->guest_caps = previous; + vbg_track_bit_usage(&gdev->set_guest_caps_tracker, changed, + session->set_guest_caps); + session->set_guest_caps = previous; } out: @@ -1452,7 +1452,7 @@ static int vbg_ioctl_change_guest_capabilities(struct vbg_dev *gdev, if (ret) return ret; - caps->u.out.session_caps = session->guest_caps; + caps->u.out.session_caps = session->set_guest_caps; caps->u.out.global_caps = gdev->guest_caps_host; return 0; diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h index 77c3a9c8255d..dc745a033164 100644 --- a/drivers/virt/vboxguest/vboxguest_core.h +++ b/drivers/virt/vboxguest/vboxguest_core.h @@ -118,11 +118,12 @@ struct vbg_dev { u32 event_filter_host; /** - * Usage counters for guest capabilities. Indexed by capability bit + * Usage counters for guest capabilities requested through + * vbg_set_session_capabilities(). Indexed by capability bit * number, one count per session using a capability. * Protected by session_mutex. */ - struct vbg_bit_usage_tracker guest_caps_tracker; + struct vbg_bit_usage_tracker set_guest_caps_tracker; /** * The guest capabilities last reported to the host (or UINT32_MAX). * Protected by session_mutex. @@ -164,11 +165,11 @@ struct vbg_session { */ u32 event_filter; /** - * Guest capabilities for this session. + * Guest capabilities set through vbg_set_session_capabilities(). * A capability claimed by any guest session will be reported to the * host. Protected by vbg_gdev.session_mutex. */ - u32 guest_caps; + u32 set_guest_caps; /** VMMDEV_REQUESTOR_* flags */ u32 requestor; /** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */ |