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From: Michael Ellerman <mpe@ellerman.id.au>
To: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	maddy@linux.vnet.ibm.com, anju@linux.vnet.ibm.com
Subject: Re: [PATCH v3] powerpc/kernel/sysfs: Export ldbar spr to sysfs
Date: Tue, 06 Mar 2018 22:05:39 +1100	[thread overview]
Message-ID: <878tb5foqk.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <1510232445-10869-1-git-send-email-anju@linux.vnet.ibm.com>

Anju T Sudhakar <anju@linux.vnet.ibm.com> writes:

> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
> index 4437c70..caefb64 100644
> --- a/arch/powerpc/kernel/sysfs.c
> +++ b/arch/powerpc/kernel/sysfs.c
> @@ -757,6 +759,9 @@ static int register_cpu_online(unsigned int cpu)
>  			device_create_file(s, &pmc_attrs[i]);
>  
>  #ifdef CONFIG_PPC64
> +	if (cpu_has_feature(CPU_FTR_ARCH_300))
> +		device_create_file(s, &dev_attr_ldbar);

Is this register readable in supervisor state?

cheers

  reply	other threads:[~2018-03-06 11:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-09 13:00 Anju T Sudhakar
2018-03-06 11:05 ` Michael Ellerman [this message]
2018-03-13  5:43   ` Anju T Sudhakar
  -- strict thread matches above, loose matches on Subject: below --
2017-11-09 12:13 Anju T Sudhakar
2017-11-09 12:47 ` Anju T Sudhakar

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