[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <87o8ka3k0b.fsf@vitty.brq.redhat.com>
Date: Fri, 06 Nov 2020 10:35:48 +0100
From: Vitaly Kuznetsov <vkuznets@...hat.com>
To: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <sean.j.christopherson@...el.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
hpa@...or.com
Subject: Re: [PATCH] x86/kvm: remove unused macro HV_CLOCK_SIZE
Alex Shi <alex.shi@...ux.alibaba.com> writes:
> This macro is useless, and could cause gcc warning:
> arch/x86/kernel/kvmclock.c:47:0: warning: macro "HV_CLOCK_SIZE" is not
> used [-Wunused-macros]
> Let's remove it.
>
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Sean Christopherson <sean.j.christopherson@...el.com>
> Cc: Vitaly Kuznetsov <vkuznets@...hat.com>
> Cc: Wanpeng Li <wanpengli@...cent.com>
> Cc: Jim Mattson <jmattson@...gle.com>
> Cc: Joerg Roedel <joro@...tes.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: x86@...nel.org
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: kvm@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
> arch/x86/kernel/kvmclock.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> index 34b18f6eeb2c..aa593743acf6 100644
> --- a/arch/x86/kernel/kvmclock.c
> +++ b/arch/x86/kernel/kvmclock.c
> @@ -44,7 +44,6 @@ static int __init parse_no_kvmclock_vsyscall(char *arg)
> early_param("no-kvmclock-vsyscall", parse_no_kvmclock_vsyscall);
>
> /* Aligned to page sizes to match whats mapped via vsyscalls to userspace */
> -#define HV_CLOCK_SIZE (sizeof(struct pvclock_vsyscall_time_info) * NR_CPUS)
> #define HVC_BOOT_ARRAY_SIZE \
> (PAGE_SIZE / sizeof(struct pvclock_vsyscall_time_info))
Fixes: 95a3d4454bb1 ("x86/kvmclock: Switch kvmclock data to a PER_CPU variable")
where the last and the only user was removed.
Reviewed-by: Vitaly Kuznetsov <vkuznets@...hat.com>
--
Vitaly
Powered by blists - more mailing lists