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From: Paul Walmsley <pjw@kernel.org>
To: Atish Patra <atish.patra@linux.dev>
Cc: Ard Biesheuvel <ardb@kernel.org>,
	 Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	 Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	 Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	 linux-efi@vger.kernel.org, linux-riscv@lists.infradead.org,
	 linux-kernel@vger.kernel.org, Atish Patra <atishp@meta.com>
Subject: Re: [PATCH 0/2] riscv: Use EFI runtime services for poweroff and restart
Date: Thu, 25 Jun 2026 14:14:54 -0600 (MDT)	[thread overview]
Message-ID: <0167594c-0c54-cbb0-a981-26df2a5bfb3c@kernel.org> (raw)
In-Reply-To: <20260615-efi_reset_shutdown-v1-0-9414edcbbab0@meta.com>

On Mon, 15 Jun 2026, Atish Patra wrote:

> Today RISC-V always uses the SBI SRST extension for both poweroff and restart,
> even when UEFI runtime services are available. This series makes RISC-V prefer
> EFI runtime services for both paths when available. The reset via EFI is
> required for EFI capsule updates and also documented as a preferred method
> in BRS 1.0 spec (e.g. URT_030)[1] 
> 
> Behavior on SBI-only (non-EFI) systems is unchanged.
> 
> Tested under QEMU 'virt' with EDK2/UEFI firmware exposing runtime
> ResetSystem().
> 
> [1] https://docs.riscv.org/reference/brs/uefi.html#uefi
> 
> Signed-off-by: Atish Patra <atishp@meta.com>

Thanks, queued for v7.3.


- Paul

      parent reply	other threads:[~2026-06-25 20:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-15 23:28 Atish Patra
2026-06-15 23:28 ` [PATCH 1/2] riscv: efi: Power off via EFI runtime services when available Atish Patra
2026-06-16  4:29   ` Sunil V L
2026-06-15 23:28 ` [PATCH 2/2] riscv: Restart " Atish Patra
2026-06-16  4:29   ` Sunil V L
2026-06-25 20:14 ` Paul Walmsley [this message]

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