diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-04-11 17:13:47 +0300 |
|---|---|---|
| committer | Zhi Wang <zhi.a.wang@intel.com> | 2022-04-21 14:36:56 +0300 |
| commit | bd73b4b193d45074ff48705d21d4fbecc3fcfac8 (patch) | |
| tree | bbd14c3c7a0c69efb17052f5dad940e724b25c51 /drivers/gpu/drm/i915/gvt/gtt.c | |
| parent | b3bece34956f86dcc8307f20b41a072ccdc917dc (diff) | |
| download | linux-bd73b4b193d45074ff48705d21d4fbecc3fcfac8.tar.xz | |
drm/i915/gvt: devirtualize ->is_valid_gfn
Just call the code directly and move towards the callers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20220411141403.86980-19-hch@lst.de
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 9b696e5705eb..1360412f8ef8 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -49,6 +49,22 @@ static bool enable_out_of_sync = false; static int preallocated_oos_pages = 8192; +static bool intel_gvt_is_valid_gfn(struct intel_vgpu *vgpu, unsigned long gfn) +{ + struct kvm *kvm = vgpu->kvm; + int idx; + bool ret; + + if (!vgpu->attached) + return false; + + idx = srcu_read_lock(&kvm->srcu); + ret = kvm_is_visible_gfn(kvm, gfn); + srcu_read_unlock(&kvm->srcu, idx); + + return ret; +} + /* * validate a gm address and related range size, * translate it to host gm address @@ -1331,7 +1347,7 @@ static int ppgtt_populate_spt(struct intel_vgpu_ppgtt_spt *spt) ppgtt_set_shadow_entry(spt, &se, i); } else { gfn = ops->get_pfn(&ge); - if (!intel_gvt_hypervisor_is_valid_gfn(vgpu, gfn)) { + if (!intel_gvt_is_valid_gfn(vgpu, gfn)) { ops->set_pfn(&se, gvt->gtt.scratch_mfn); ppgtt_set_shadow_entry(spt, &se, i); continue; @@ -2315,7 +2331,7 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, /* one PTE update may be issued in multiple writes and the * first write may not construct a valid gfn */ - if (!intel_gvt_hypervisor_is_valid_gfn(vgpu, gfn)) { + if (!intel_gvt_is_valid_gfn(vgpu, gfn)) { ops->set_pfn(&m, gvt->gtt.scratch_mfn); goto out; } |