From: Ingo Molnar <mingo@kernel.org>
To: Yi Sun <yi.y.sun@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de,
jgross@suse.com, chao.p.peng@intel.com, chao.gao@intel.com,
isaku.yamahata@intel.com, michael.h.kelley@microsoft.com,
tianyu.lan@microsoft.com, "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Subject: Re: [PATCH v4 2/2] locking/pvqspinlock, hv: Enable PV qspinlock for Hyper-V
Date: Tue, 9 Oct 2018 12:54:27 +0200 [thread overview]
Message-ID: <20181009105427.GA102322@gmail.com> (raw)
In-Reply-To: <1538987374-51217-3-git-send-email-yi.y.sun@linux.intel.com>
* Yi Sun <yi.y.sun@linux.intel.com> wrote:
> Follow PV spinlock mechanism to implement the callback functions
> to allow the CPU idling and kicking operations on Hyper-V.
> +#if defined(CONFIG_SMP)
> + smp_ops.smp_prepare_boot_cpu = hv_smp_prepare_boot_cpu;
> +#endif
What's wrong with using the common pattern of:
#ifdef CONFIG_SMP
?
Thanks,
Ingo
next prev parent reply other threads:[~2018-10-09 10:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-08 8:29 [PATCH v4 0/2] Enable PV qspinlock for Hyper-V Yi Sun
2018-10-08 8:29 ` [PATCH v4 1/2] X86/Hyper-V: Add Guest IDLE MSR support Yi Sun
2018-10-08 8:29 ` [PATCH v4 2/2] locking/pvqspinlock, hv: Enable PV qspinlock for Hyper-V Yi Sun
2018-10-08 9:15 ` Juergen Gross
2018-10-09 9:30 ` [tip:x86/hyperv] x86/hyperv: " tip-bot for Yi Sun
2018-10-09 10:54 ` Ingo Molnar [this message]
2018-10-10 2:25 ` [PATCH v4 2/2] locking/pvqspinlock, hv: " Yi Sun
2018-10-10 5:50 ` Ingo Molnar
2018-10-10 8:02 ` Yi Sun
2018-10-09 12:28 ` [tip:x86/paravirt] x86/hyperv: " tip-bot for Yi Sun
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