LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Catalin Marinas <catalin.marinas@arm.com>
To: Rohit Khanna <rokhanna@nvidia.com>
Cc: "will.deacon@arm.com" <will.deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Thierry Reding <treding@nvidia.com>,
	Alexander Van Brunt <avanbrunt@nvidia.com>,
	Bo Yan <byan@nvidia.com>, Jason Sequeira <jsequeira@nvidia.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
Subject: Re: [PATCH] arm64: skip cpu nodes marked as disabled in DT
Date: Thu, 26 Apr 2018 08:25:14 +0100	[thread overview]
Message-ID: <20180426072514.GA33476@MBP.local> (raw)
In-Reply-To: <1524699380207.85374@nvidia.com>

On Wed, Apr 25, 2018 at 11:36:06PM +0000, Rohit Khanna wrote:
> Adding few other folks.

It looks fine to me but cc'ing Mark and Lorenzo (and it should have been
posted on linux-arm-kernel@lists.infradead.org).

> From: Rohit Khanna
> Sent: Wednesday, April 25, 2018 4:08 PM
> To: catalin.marinas@arm.com; will.deacon@arm.com
> Cc: linux-kernel@vger.kernel.org; Rohit Khanna
> Subject: [PATCH] arm64: skip cpu nodes marked as disabled in DT
> 
> Skip the CPU nodes that are marked as disabled in DT.
> 
> Bug 1828570
> 
> Signed-off-by: Rohit Khanna <rokhanna@nvidia.com>
> Reviewed-on: http://git-master/r/1245333
> Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
> ---
>  arch/arm64/kernel/smp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
> index f3e2e3aec0b0..2b4371b0948d 100644
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -578,6 +578,10 @@ static void __init of_parse_and_init_cpus(void)
>         for_each_node_by_type(dn, "cpu") {
>                 u64 hwid = of_get_cpu_mpidr(dn);
> 
> +               /* Check to see if the cpu is disabled */
> +               if (!of_device_is_available(dn))
> +                       goto next;
> +
>                 if (hwid == INVALID_HWID)
>                         goto next;
> 
> --
> 2.1.4

  reply	other threads:[~2018-04-26  7:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25 23:08 Rohit Khanna
2018-04-25 23:36 ` Rohit Khanna
2018-04-26  7:25   ` Catalin Marinas [this message]
2018-04-26 10:18     ` Lorenzo Pieralisi
2018-04-26 19:54       ` Rohit Khanna
2018-04-30  9:54         ` Lorenzo Pieralisi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180426072514.GA33476@MBP.local \
    --to=catalin.marinas@arm.com \
    --cc=Lorenzo.Pieralisi@arm.com \
    --cc=avanbrunt@nvidia.com \
    --cc=byan@nvidia.com \
    --cc=jsequeira@nvidia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=rokhanna@nvidia.com \
    --cc=treding@nvidia.com \
    --cc=will.deacon@arm.com \
    --subject='Re: [PATCH] arm64: skip cpu nodes marked as disabled in DT' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).