Linux-RISC-V Archive on lore.kernel.org
 help / Atom feed
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Anup Patel <anup@brainfault.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>,
	Palmer Dabbelt <palmer@sifive.com>,
	"linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	Atish Patra <atish.patra@wdc.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH] clocksource: riscv_timer: Provide sched_clock
Date: Mon, 3 Dec 2018 15:53:11 +0100
Message-ID: <63f67f2b-9e17-78e6-beb5-65d32ff2f85c@linaro.org> (raw)
In-Reply-To: <CAAhSdy2rw=4Uw8=MZtfHi_ML9ZBqeiJ2iv+tRmDnjQDh7yuUHg@mail.gmail.com>

On 03/12/2018 15:50, Anup Patel wrote:
> On Mon, Dec 3, 2018 at 6:29 PM Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
>>
>> On 03/12/2018 13:35, Anup Patel wrote:
>>> Currently, we don't have a sched_clock registered for RISC-V systems.
>>> This means Linux time keeping will use jiffies (running at HZ) as the
>>> default sched_clock.
>>>
>>> To avoid this, we explicity provide sched_clock using RISC-V rdtime
>>> instruction (similar to riscv_timer clocksource).
>>>
>>> Signed-off-by: Anup Patel <anup@brainfault.org>
>>
>> Hi Anup,
>>
>> the GENERIC_SCHED_CLOCK dependency in the Kconfig is missing.
> 
> Sure, will do.
> 
> I also have another patch to select GENERIC_SCHED_CLOCK
> for CONFIG_RISCV. Should I squash that patch with this patch??

I prefer the riscv config option to be merged via the riscv tree.


-- 
 <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog


_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 12:35 Anup Patel
2018-12-03 12:59 ` Daniel Lezcano
2018-12-03 14:50   ` Anup Patel
2018-12-03 14:53     ` Daniel Lezcano [this message]
2018-12-06 20:32 ` Palmer Dabbelt
2018-12-07  2:27   ` Anup Patel

Reply instructions:

You may reply publically 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=63f67f2b-9e17-78e6-beb5-65d32ff2f85c@linaro.org \
    --to=daniel.lezcano@linaro.org \
    --cc="linux-kernel@vger.kernel.org \
    --cc=anup@brainfault.org \
    --cc=aou@eecs.berkeley.edu \
    --cc=atish.patra@wdc.com \
    --cc=hch@infradead.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=palmer@sifive.com \
    --cc=tglx@linutronix.de \
    /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

Linux-RISC-V Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-riscv/0 linux-riscv/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-riscv linux-riscv/ https://lore.kernel.org/linux-riscv \
		linux-riscv@lists.infradead.org infradead-linux-riscv@archiver.kernel.org
	public-inbox-index linux-riscv


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.infradead.lists.linux-riscv


AGPL code for this site: git clone https://public-inbox.org/ public-inbox