From: Ingo Molnar <mingo@elte.hu>
To: Alok Kataria <akataria@vmware.com>
Cc: the arch/x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Zachary Amsden <zach@vmware.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: x86, vmi: TSC going backwards check in vmi clocksource
Date: Fri, 20 Feb 2009 18:58:41 +0100 [thread overview]
Message-ID: <20090220175841.GQ24538@elte.hu> (raw)
In-Reply-To: <1234989235.7991.2.camel@alok-dev1>
* Alok Kataria <akataria@vmware.com> wrote:
> static cycle_t read_real_cycles(void)
> {
> - return vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL);
> + cycle_t ret = (cycle_t)vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL);
> + return ret >= clocksource_vmi.cycle_last ?
> + ret : clocksource_vmi.cycle_last;
btw., could you please clean this up to use max()?
Ingo
next prev parent reply other threads:[~2009-02-20 17:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 20:33 x86, vmi: TSC going backwards check in vmi clocksource Alok Kataria
2009-02-19 11:18 ` Ingo Molnar
2009-02-19 18:03 ` Alok Kataria
2009-02-19 18:11 ` Ingo Molnar
2009-02-20 17:58 ` Ingo Molnar [this message]
2009-02-20 18:23 ` Alok Kataria
2009-02-20 18:31 ` Ingo Molnar
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