From: Peter Zijlstra <peterz@infradead.org>
To: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de,
mingo@redhat.com, hpa@zytor.com,
Pavel Tatashin <pasha.tatashin@oracle.com>
Subject: Re: [PATCH 1/2] x86/tsc: Avoid a double call if TSC initializes earlier.
Date: Mon, 30 Jul 2018 11:34:47 +0200 [thread overview]
Message-ID: <20180730093447.GF2494@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180730075421.22830-2-douly.fnst@cn.fujitsu.com>
On Mon, Jul 30, 2018 at 03:54:20PM +0800, Dou Liyang wrote:
> static_branch_enable(&__use_tsc) may be called twice in common case, that
> is redundant.
It is also really not a problem...
next prev parent reply other threads:[~2018-07-30 9:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-30 7:54 [PATCH 0/2] Two cleanup patches Dou Liyang
2018-07-30 7:54 ` [PATCH 1/2] x86/tsc: Avoid a double call if TSC initializes earlier Dou Liyang
2018-07-30 9:34 ` Peter Zijlstra [this message]
2018-07-30 9:53 ` Dou Liyang
2018-07-30 14:09 ` Pavel Tatashin
2018-07-30 17:37 ` [tip:x86/timers] x86/tsc: Consolidate init code tip-bot for Dou Liyang
2018-07-30 7:54 ` [PATCH 2/2] x86/kvmclock: Mark kvm_get_preset_lpj() as __init Dou Liyang
2018-07-30 14:17 ` Pavel Tatashin
2018-07-30 17:38 ` [tip:x86/timers] " tip-bot for Dou Liyang
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