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Re: [PATCH v6 01/13] xen/pci: arm: add stub for is_memory_hole
- To: Oleksandr Andrushchenko <andr2000@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Julien Grall <julien@xxxxxxx>
- Date: Fri, 4 Feb 2022 08:51:01 +0000
- Cc: sstabellini@xxxxxxxxxx, oleksandr_tyshchenko@xxxxxxxx, volodymyr_babchuk@xxxxxxxx, artem_mygaiev@xxxxxxxx, roger.pau@xxxxxxxxxx, jbeulich@xxxxxxxx, andrew.cooper3@xxxxxxxxxx, george.dunlap@xxxxxxxxxx, paul@xxxxxxx, bertrand.marquis@xxxxxxx, rahul.singh@xxxxxxx, Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
- Delivery-date: Fri, 04 Feb 2022 08:51:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi,
On 04/02/2022 06:34, Oleksandr Andrushchenko wrote:
From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
Add a stub for is_memory_hole which is required for PCI passthrough
on Arm.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
---
Cc: Julien Grall <julien@xxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
New in v6
---
xen/arch/arm/mm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index b1eae767c27c..c32e34a182a2 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -1640,6 +1640,12 @@ unsigned long get_upper_mfn_bound(void)
return max_page - 1;
}
+bool is_memory_hole(mfn_t start, mfn_t end)
+{
+ /* TODO: this needs to be properly implemented. */
I was hoping to see a summary of the discussion from IRC somewhere in
the patch (maybe after ---). This would help to bring up to speed the
others that were not on IRC.
+ return true;
+}
+
/*
* Local variables:
* mode: C
--
Julien Grall
|
