From: Wei Liu <wei.liu@kernel.org>
To: Xu Yihang <xuyihang@huawei.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, wei.liu@kernel.org, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
johnny.chenyi@huawei.com
Subject: Re: [PATCH -next] x86: Fix unused variable 'hi'
Date: Mon, 22 Mar 2021 11:02:20 +0000 [thread overview]
Message-ID: <20210322110220.ovhqoykjdoptu6gr@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20210322035426.71169-2-xuyihang@huawei.com>
On Mon, Mar 22, 2021 at 11:54:26AM +0800, Xu Yihang wrote:
> Fixes the following W=1 kernel build warning(s):
> arch/x86/hyperv/hv_apic.c:58:15: warning: variable ‘hi’ set but not used [-Wunused-but-set-variable]
>
> Compiled with CONFIG_HYPERV enabled:
> make allmodconfig ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-
> make W=1 arch/x86/hyperv/hv_apic.o ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-
>
> HV_X64_MSR_EOI stores on bit 31:0 and HV_X64_MSR_TPR stores in bit 7:0, which means higher 32 bits are not really used, therefore __maybe_unused added.
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Xu Yihang <xuyihang@huawei.com>
I slightly modified the commit message and queued it up for hyperv-next.
Thanks.
Wei.
next prev parent reply other threads:[~2021-03-22 11:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 7:46 Xu Yihang
2021-03-18 11:24 ` Ingo Molnar
2021-03-19 18:58 ` Michael Kelley
[not found] ` <20210322035426.71169-1-xuyihang@huawei.com>
2021-03-22 3:54 ` Xu Yihang
2021-03-22 11:02 ` Wei Liu [this message]
2021-03-23 2:50 ` Xu Yihang
2021-03-23 11:32 ` Wei Liu
2021-03-24 11:34 ` Wei Liu
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