linux-kernel - Re: [EDT][PATCH 1/1] hw_breakpoint.c :cpu hotplug handling

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Message-ID: <20150513053305.GK2558@tarshish>
Date:	Wed, 13 May 2015 08:33:05 +0300
From:	Baruch Siach <baruch@...s.co.il>
To:	Maninder Singh <maninder1.s@...sung.com>
Cc:	will.deacon@....com, linux@....linux.org.uk,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	"v.narang@...sung.com" <v.narang@...sung.com>,
	AJEET YADAV <ajeet.y@...sung.com>,
	AKHILESH KUMAR <akhilesh.k@...sung.com>,
	Amit Arora <amit.arora@...sung.com>
Subject: Re: [EDT][PATCH 1/1] hw_breakpoint.c :cpu hotplug handling

Hi Maninder Singh,

On Wed, May 13, 2015 at 05:24:07AM +0000, Maninder Singh wrote:
> EP-2DAD0AFA905A4ACB804C4F82A001242F
> 
> Subject: [PATCH 1/1] hw_breakpoint.c :cpu hotplug handling
> 
> This patch adds support for CPU hotplug, It re-installl all installed watchpoints and breakpoints
> back on H/W in case of cpu-hot plug.
> 
> Signed-off-by: Vaneet Narang <v.narang@...sung.com>
> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>
> Reviewed-by: Amit Arora <amit.arora@...sung.com>
> Reviewed-by: Ajeet Yadav <ajeet.y@...sung.com>
> ---
>  arch/arm/kernel/hw_breakpoint.c |   56 +++++++++++++++++++++++++++++++++++++++
>  1 files changed, 56 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
> index dc7d0a9..172bfa8 100644
> --- a/arch/arm/kernel/hw_breakpoint.c
> +++ b/arch/arm/kernel/hw_breakpoint.c
> @@ -388,6 +388,56 @@ int arch_install_hw_breakpoint(struct perf_event *bp)
>  	return 0;
>  }
>  
> +/*
> + * reInstall a perf counter breakpoint.
> + */
> +void arch_reinstall_hw_breakpoint(int index, int type)

Static?

baruch

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