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Re: [Xen-devel] [PATCH v3 07/15] argo: implement the register op
- To: Christopher Clark <christopher.w.clark@xxxxxxxxx>
- From: Eric Chanudet <eric.chanudet@xxxxxxxxx>
- Date: Thu, 10 Jan 2019 15:11:23 -0500
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ross Philipson <ross.philipson@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jason Andryuk <jandryuk@xxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Rich Persaud <persaur@xxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Daniel Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Paul Durrant <paul.durrant@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, James McKenzie <james@xxxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 10 Jan 2019 20:11:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Mail-followup-to: Christopher Clark <christopher.w.clark@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Paul Durrant <paul.durrant@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Jason Andryuk <jandryuk@xxxxxxxxx>, Rich Persaud <persaur@xxxxxxxxx>, Ross Philipson <ross.philipson@xxxxxxxxx>, James McKenzie <james@xxxxxxxxxxx>, Daniel Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
On 06/01/19 at 11:42pm, Christopher Clark wrote:
+/*
+ * The maximum size of an Argo ring is defined to be: 16GB
+ * -- which is 0x1000000 bytes.
+ * A byte index into the ring is at most 24 bits.
+ */
+#define XEN_ARGO_MAX_RING_SIZE (0x1000000ULL)
It looks like 16MB. Did I miss a <<10 somewhere or is it a typo in the
comment?
--
Eric Chanudet
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