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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: t8BfxntgAdbvcMiAT/Wct1nHUknd6myqepqcYc1PFtCMxdCndoLSRGyp8zY672hxjVjC7oWELSnEe2r0PSiuP45ynSh+3fUtTz61oKneTP2waf44TKveI8yLTzI2feOvbSi7yMRpZjMCLT1dOsh4HaCkGzKHybTOVet8FwOXHsyVO9hH2Aftdy6HQ9npifFKjTZIU9XX9XtZC0j7FB/sF2ez0eFH97Z9fWsQM3JogXLdooZlUcXw+wpMdR4+HxkLksHo47Iq3LZhJzK+b/nrfZc9Iaca14zeiUK03621cJVcyh+JuN6vykvYNaJ/BugY spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 14fe7110-3fc6-47b8-d59e-08d667a1638e X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Dec 2018 00:06:56.6115 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR21MB0835 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In these two cases, a value returned by rdmsr() or rdmsrl() is ignored. Indicate that ignoring the value is intentional, so that with the W=3D1 compilation option no warning is generated. Signed-off-by: Michael Kelley --- arch/x86/hyperv/hv_apic.c | 2 +- arch/x86/hyperv/hv_spinlock.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index 8eb6fbee..66a0f53 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -55,7 +55,7 @@ static void hv_apic_icr_write(u32 low, u32 id) =20 static u32 hv_apic_read(u32 reg) { - u32 reg_val, hi; + u32 reg_val, __maybe_unused hi; =20 switch (reg) { case APIC_EOI: diff --git a/arch/x86/hyperv/hv_spinlock.c b/arch/x86/hyperv/hv_spinlock.c index a861b04..e18c63d5 100644 --- a/arch/x86/hyperv/hv_spinlock.c +++ b/arch/x86/hyperv/hv_spinlock.c @@ -25,7 +25,7 @@ static void hv_qlock_kick(int cpu) =20 static void hv_qlock_wait(u8 *byte, u8 val) { - unsigned long msr_val; + unsigned long __maybe_unused msr_val; unsigned long flags; =20 if (in_nmi()) --=20 1.8.3.1