[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Xen-devel] [PATCH v4 11/11] arm: enable XENFEAT_ARM_SMCCC_supported feature
- To: Jan Beulich <JBeulich@xxxxxxxx>, Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
- From: Julien Grall <julien.grall@xxxxxxx>
- Date: Thu, 24 Aug 2017 18:23:28 +0100
- Cc: "Edgar E . Iglesias" <edgar.iglesias@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx
- Delivery-date: Thu, 24 Aug 2017 17:24:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 22/08/17 08:29, Jan Beulich wrote:
On 21.08.17 at 22:27, <volodymyr_babchuk@xxxxxxxx> wrote:
As Xen now supports SMCCC, we can enable this feature to tell
guests that it is safe to call generic SMCs and HVCs.
I think this and patch 10 should be folded.
+1.
Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
xen/common/kernel.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index ce7cb8a..18c4d51 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -332,6 +332,9 @@ DO(xen_version)(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
(1U << XENFEAT_auto_translated_physmap);
if ( is_hardware_domain(d) )
fi.submap |= 1U << XENFEAT_dom0;
+#ifdef CONFIG_ARM
+ fi.submap |= (1U << XENFEAT_ARM_SMCCC_supported);
+#endif
Pointless parentheses (as other code in context shows you).
With both aspects taken care of
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
--
Julien Grall
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel
|
