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From: KarimAllah Ahmed <karahmed@amazon.de>
To: linux-kernel@vger.kernel.org, devel@linuxdriverproject.org,
	x86@kernel.org
Cc: Stephen Hemminger <sthemmin@microsoft.com>,
	KarimAllah Ahmed <karahmed@amazon.de>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH] X86/UAPI: Use __u64 instead of u64 in hyperv.h
Date: Tue, 20 Feb 2018 08:39:51 +0100	[thread overview]
Message-ID: <1519112391-23773-1-git-send-email-karahmed@amazon.de> (raw)

... since u64 has a hidden header dependency that was not there before
using it (i.e. it breaks our VMM build). Also, __u64 is the right way to
expose the data type through UAPI.

Fixes: 93286261 ("x86/hyperv: Reenlightenment notifications support")
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: devel@linuxdriverproject.org
Cc: linux-kernel@vger.kernel.org
---
 arch/x86/include/uapi/asm/hyperv.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 197c2e6..0994143 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -241,24 +241,24 @@
 #define HV_X64_MSR_REENLIGHTENMENT_CONTROL	0x40000106
 
 struct hv_reenlightenment_control {
-	u64 vector:8;
-	u64 reserved1:8;
-	u64 enabled:1;
-	u64 reserved2:15;
-	u64 target_vp:32;
+	__u64 vector:8;
+	__u64 reserved1:8;
+	__u64 enabled:1;
+	__u64 reserved2:15;
+	__u64 target_vp:32;
 };
 
 #define HV_X64_MSR_TSC_EMULATION_CONTROL	0x40000107
 #define HV_X64_MSR_TSC_EMULATION_STATUS		0x40000108
 
 struct hv_tsc_emulation_control {
-	u64 enabled:1;
-	u64 reserved:63;
+	__u64 enabled:1;
+	__u64 reserved:63;
 };
 
 struct hv_tsc_emulation_status {
-	u64 inprogress:1;
-	u64 reserved:63;
+	__u64 inprogress:1;
+	__u64 reserved:63;
 };
 
 #define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001
-- 
2.7.4

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             reply	other threads:[~2018-02-20  7:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-20  7:39 KarimAllah Ahmed [this message]
2018-02-20 10:23 ` [tip:x86/urgent] x86/headers/UAPI: Use __u64 instead of u64 in <uapi/asm/hyperv.h> tip-bot for KarimAllah Ahmed
2018-02-20 16:48 ` [PATCH] X86/UAPI: Use __u64 instead of u64 in hyperv.h KY Srinivasan

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