On Mon, Jan 23, 2017 at 12:34:29PM -0700, Alex Williamson wrote:
> On Mon, 23 Jan 2017 10:54:49 +0800
> Peter Xu wrote:
>
> > On Mon, Jan 23, 2017 at 09:48:48AM +0800, Jason Wang wrote:
> > >
> > >
> > > On 2017年01月22日 16:51, Peter Xu wrote:
> > > >On Sun, Jan 22, 2017 at 03:56:10PM +0800, Ja
On Mon, 23 Jan 2017 10:54:49 +0800
Peter Xu wrote:
> On Mon, Jan 23, 2017 at 09:48:48AM +0800, Jason Wang wrote:
> >
> >
> > On 2017年01月22日 16:51, Peter Xu wrote:
> > >On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
> > >
> > >[...]
> > >
> > >>>+/**
> > >>>+ * vtd_page_walk_lev
On Sun, 22 Jan 2017 16:51:18 +0800
Peter Xu wrote:
> On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
> >
> > >+trace_vtd_page_walk_one(level, entry.iova,
> > >entry.translated_addr,
> > >+entry.addr_mask, entry.perm);
> > >+
On Mon, Jan 23, 2017 at 11:12:27AM +0800, Jason Wang wrote:
>
>
> On 2017年01月23日 10:54, Peter Xu wrote:
> >+trace_vtd_page_walk_skip_read(iova, iova_next);
> >+skipped_local++;
> >+goto next;
> >+}
> >+
> >+if (vtd_slpte_
On 2017年01月23日 10:54, Peter Xu wrote:
+trace_vtd_page_walk_skip_read(iova, iova_next);
+skipped_local++;
+goto next;
+}
+
+if (vtd_slpte_nonzero_rsvd(slpte, level)) {
+trace_vtd_page_walk_skip_reserve(iova, iova_next);
+
On Mon, Jan 23, 2017 at 09:48:48AM +0800, Jason Wang wrote:
>
>
> On 2017年01月22日 16:51, Peter Xu wrote:
> >On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
> >
> >[...]
> >
> >>>+/**
> >>>+ * vtd_page_walk_level - walk over specific level for IOVA range
> >>>+ *
> >>>+ * @addr: base GP
On 2017年01月22日 17:36, Peter Xu wrote:
Besides this one, I tried to fix the comments in this function as
below, hope this is better (I removed 1-3 thing since I think that's
clearer from below code):
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index e958f53..f3fe8c4 100644
--- a/
On 2017年01月22日 16:51, Peter Xu wrote:
On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
[...]
+/**
+ * vtd_page_walk_level - walk over specific level for IOVA range
+ *
+ * @addr: base GPA addr to start the walk
+ * @start: IOVA range start address
+ * @end: IOVA range end address
On Sun, Jan 22, 2017 at 04:51:18PM +0800, Peter Xu wrote:
> On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
>
> [...]
>
> > >+/**
> > >+ * vtd_page_walk_level - walk over specific level for IOVA range
> > >+ *
> > >+ * @addr: base GPA addr to start the walk
> > >+ * @start: IOVA range
On Sun, Jan 22, 2017 at 03:56:10PM +0800, Jason Wang wrote:
[...]
> >+/**
> >+ * vtd_page_walk_level - walk over specific level for IOVA range
> >+ *
> >+ * @addr: base GPA addr to start the walk
> >+ * @start: IOVA range start address
> >+ * @end: IOVA range end address (start <= addr < end)
> >
On 2017年01月20日 21:08, Peter Xu wrote:
The default replay() don't work for VT-d since vt-d will have a huge
default memory region which covers address range 0-(2^64-1). This will
normally consumes a lot of time (which looks like a dead loop).
The solution is simple - we don't walk over all the
The default replay() don't work for VT-d since vt-d will have a huge
default memory region which covers address range 0-(2^64-1). This will
normally consumes a lot of time (which looks like a dead loop).
The solution is simple - we don't walk over all the regions. Instead, we
jump over the regions
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