linux-kernel - Re: [PATCH v3 28/31] arm64: Generic timers support

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Message-ID: <CAMQu2gyLihPnujff6Nq3wzRaX3n+je+4fVfUE_OPVsb_dO14FQ@mail.gmail.com>
Date:	Sat, 8 Sep 2012 13:58:49 +0530
From:	"Shilimkar, Santosh" <santosh.shilimkar@...com>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v3 28/31] arm64: Generic timers support

On Fri, Sep 7, 2012 at 9:57 PM, Catalin Marinas <catalin.marinas@....com> wrote:
> From: Marc Zyngier <marc.zyngier@....com>
>
> This patch adds support for the ARM generic timers with A64 instructions
> for accessing the timer registers. It uses the physical counter as the
> clock source and the virtual counter as sched_clock.
>
> The timer frequency can be specified via DT or read from the CNTFRQ_EL0
> register. The physical counter is also accessible from user space
> allowing fast gettimeofday() implementation.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>
> Signed-off-by: Will Deacon <will.deacon@....com>
> Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> Acked-by: Tony Lindgren <tony@...mide.com>
> ---
Thanks for C3STOP update.
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>
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