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Message-ID: <20180521092506.90121-1-Tianyu.Lan@microsoft.com>
Date:   Mon, 21 May 2018 09:25:50 +0000
From:   Tianyu Lan <Tianyu.Lan@...rosoft.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>, "x86@...nel.org" <x86@...nel.org>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        Alexander Grest <Alexander.Grest@...rosoft.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] HV: Fix definition of struct hv_vp_assist_page.

The struct hv_vp_assist_page was defined incorrectly.
The "vtl_control" should be u64[3], "nested_enlightenments_control"
should be a u64 and there is 7 reserved bytes following "enlighten_vmentry".
This patch is to fix it.

Signed-off-by: Lan Tianyu <Tianyu.Lan@...rosoft.com>
---
 arch/x86/include/asm/hyperv-tlfs.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index f7be6d03a310..fae0a5431cdd 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -496,10 +496,11 @@ struct hv_timer_message_payload {
 /* Define virtual processor assist page structure. */
 struct hv_vp_assist_page {
 	__u32 apic_assist;
-	__u32 reserved;
-	__u64 vtl_control[2];
-	__u64 nested_enlightenments_control[2];
-	__u32 enlighten_vmentry;
+	__u32 reserved1;
+	__u64 vtl_control[3];
+	__u64 nested_enlightenments_control;
+	__u8 enlighten_vmentry;
+	__u8 reserved2[7];
 	__u64 current_nested_vmcs;
 };
 
-- 
2.14.3

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