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Re: [Xen-devel] [PATCH v10 11/20] x86/VPMU: Interface for setting PMU mode and flags
- To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>, "Aravind.Gopalakrishnan@xxxxxxx" <Aravind.Gopalakrishnan@xxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Mon, 22 Sep 2014 18:48:35 -0400
- Cc: "andrew.cooper3@xxxxxxxxxx" <andrew.cooper3@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, "keir@xxxxxxx" <keir@xxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "tim@xxxxxxx" <tim@xxxxxxx>
- Delivery-date: Mon, 22 Sep 2014 22:47:46 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 09/22/2014 06:32 PM, Tian, Kevin wrote:
diff --git a/xen/arch/x86/x86_64/compat/entry.S
b/xen/arch/x86/x86_64/compat/entry.S
index ac594c9..8587c46 100644
--- a/xen/arch/x86/x86_64/compat/entry.S
+++ b/xen/arch/x86/x86_64/compat/entry.S
@@ -417,6 +417,8 @@ ENTRY(compat_hypercall_table)
.quad do_domctl
.quad compat_kexec_op
.quad do_tmem_op
+ .quad do_ni_hypercall /* reserved for XenClient */
why XenClient here?
See include/public/xen.h, hypercall 39.
sorry but why it is included in this VPMU patch set?
Because I am adding new hypercall (do_xenpmu_op) and if I added it right
after do_tmem_op (which is number 38) then it would become number 39.
xen.h appears to want to reserve 39 for something else so I had to put a
placeholder there. And now do_xenpmu_op becomes number 40.
(And to answer your previous email --- I will be posting v11 shortly)
-boris
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