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Date: Thu, 25 Jun 2026 14:14:54 -0600 (MDT)
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
In-Reply-To: <20260615-efi_reset_shutdown-v1-0-9414edcbbab0@meta.com>
Message-ID: <0167594c-0c54-cbb0-a981-26df2a5bfb3c@kernel.org>
References: <20260615-efi_reset_shutdown-v1-0-9414edcbbab0@meta.com>
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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