linux-kernel - Re: [PATCH] keystone: psci: adds cpu

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Message-ID: <558D9CDA.7080001@oracle.com>
Date:	Fri, 26 Jun 2015 11:41:30 -0700
From:	santosh shilimkar <santosh.shilimkar@...cle.com>
To:	Grygorii Strashko <grygorii.strashko@...com>
Cc:	Vitaly Andrianov <vitalya@...com>,
	Mark Rutland <mark.rutland@....com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"ssantosh@...nel.org" <ssantosh@...nel.org>
Subject: Re: [PATCH] keystone: psci: adds cpu_die implementation

On 6/26/2015 10:47 AM, Grygorii Strashko wrote:
> Hi,
>
> On 06/26/2015 07:57 PM, Vitaly Andrianov wrote:
>> On 06/25/2015 02:42 PM, santosh shilimkar wrote:


> Another question is how well current PSCI implementation supports keystone2/LPAE !?
>
> - It seems, at least below hack should be applied :(
>
> +++ b/arch/arm/kernel/psci_smp.c
> @@ -51,7 +51,7 @@ static int psci_boot_secondary(unsigned int cpu, struct task_struct *idle)
>   {
>          if (psci_ops.cpu_on)
>                  return psci_ops.cpu_on(cpu_logical_map(cpu),
> -                                      __pa(secondary_startup));
> +                                       virt_to_idmap(&secondary_startup));

This is legitimate change should be there irrespectively.
I think you should post this as a proper patch.

Regards,
Santosh

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