linux-kernel - Re: [PATCH v4.1] arm64: perf: Count EL2 events if the kernel is running in HYP

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Message-ID: <20160219143031.GI27062@arm.com>
Date:	Fri, 19 Feb 2016 14:30:31 +0000
From:	Will Deacon <will.deacon@....com>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Mark Rutland <mark.rutland@....com>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, kvmarm@...ts.cs.columbia.edu
Subject: Re: [PATCH v4.1] arm64: perf: Count EL2 events if the kernel is
 running in HYP

On Wed, Feb 17, 2016 at 05:57:39PM +0000, Marc Zyngier wrote:
> When the kernel is running in HYP (with VHE), it is necessary to
> include EL2 events if the user requests counting kernel or
> hypervisor events.
> 
> Reviewed-by: Christoffer Dall <christoffer.dall@...aro.org>
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>
> ---
>  arch/arm64/kernel/perf_event.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Acked-by: Will Deacon <will.deacon@....com>

Will