mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Paul Walmsley <pjw@kernel.org>
To: Naohiko Shimizu <naohiko.shimizu@gmail.com>
Cc: pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu,
	alex@ghiti.fr,  anup@brainfault.org, atish.patra@linux.dev,
	daniel.lezcano@linaro.org,  tglx@linutronix.de,
	nick.hu@sifive.com, linux-riscv@lists.infradead.org,
	 linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	 kvm-riscv@lists.infradead.org
Subject: Re: [PATCH v3 0/3] riscv: fix timer update hazards on RV32
Date: Wed, 14 Jan 2026 17:39:02 -0700 (MST)	[thread overview]
Message-ID: <10a102b9-1dd1-c5ca-66e4-f02794a84a93@kernel.org> (raw)
In-Reply-To: <20260104135938.524-1-naohiko.shimizu@gmail.com>

On Sun, 4 Jan 2026, Naohiko Shimizu wrote:

> This patch series fixes timer register update hazards on RV32 for
> clocksource, KVM, and suspend/resume paths by adopting the 3-step
> update sequence recommended by the RISC-V Privileged Specification.
> 
> Changes in v3:
> - Dropped redundant subject line from commit descriptions.
> - Added Fixes tags for all patches.
> - Moved Signed-off-by tags to the end of commit messages.
> 
> Changes in v2:
> - Added detailed architectural background to commit messages.
> - Added KVM and suspend/resume cases.
> 
> Naohiko Shimizu (3):
>   riscv: clocksource: Fix stimecmp update hazard on RV32
>   riscv: kvm: Fix vstimecmp update hazard on RV32
>   riscv: suspend: Fix stimecmp update hazard on RV32
> 
>  arch/riscv/kernel/suspend.c       | 3 ++-
>  arch/riscv/kvm/vcpu_timer.c       | 6 ++++--
>  drivers/clocksource/timer-riscv.c | 3 ++-
>  3 files changed, 8 insertions(+), 4 deletions(-)

Thanks, queued for v6.19-rc. 


- Paul

  parent reply	other threads:[~2026-01-15  0:39 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-04 13:59 Naohiko Shimizu
2026-01-04 13:59 ` [PATCH v3 1/3] riscv: clocksource: Fix stimecmp update hazard " Naohiko Shimizu
2026-01-05  4:31   ` Anup Patel
2026-01-04 13:59 ` [PATCH v3 2/3] riscv: kvm: Fix vstimecmp " Naohiko Shimizu
2026-01-05  4:31   ` Anup Patel
2026-01-15  1:11     ` Naohiko Shimizu
2026-01-04 13:59 ` [PATCH v3 3/3] riscv: suspend: Fix stimecmp " Naohiko Shimizu
2026-01-05  4:31   ` Anup Patel
2026-01-15  0:39 ` Paul Walmsley [this message]
2026-01-15  1:11   ` [PATCH v3 0/3] riscv: fix timer update hazards " Naohiko Shimizu

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=10a102b9-1dd1-c5ca-66e4-f02794a84a93@kernel.org \
    --to=pjw@kernel.org \
    --cc=alex@ghiti.fr \
    --cc=anup@brainfault.org \
    --cc=aou@eecs.berkeley.edu \
    --cc=atish.patra@linux.dev \
    --cc=daniel.lezcano@linaro.org \
    --cc=kvm-riscv@lists.infradead.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=naohiko.shimizu@gmail.com \
    --cc=nick.hu@sifive.com \
    --cc=palmer@dabbelt.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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®