From: Conor Dooley <conor@kernel.org>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Samuel Holland <samuel.holland@sifive.com>,
Heinrich Schuchardt <heinrich.schuchardt@canonical.com>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>, Evan Green <evan@rivosinc.com>,
Andrew Jones <ajones@ventanamicro.com>,
Guodong Xu <guodong@riscstar.com>
Cc: conor@kernel.org, Conor Dooley <conor.dooley@microchip.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: (subset) [PATCH v2 0/3] riscv: cpufeature: Add Supm extension id and validation
Date: Fri, 6 Mar 2026 18:05:44 +0000 [thread overview]
Message-ID: <20260306-contort-pendant-8ae839e37152@spud> (raw)
In-Reply-To: <20260125-supm-ext-id-v2-0-1e3b9714c860@riscstar.com>
From: Conor Dooley <conor.dooley@microchip.com>
On Sun, 25 Jan 2026 09:36:05 +0800, Guodong Xu wrote:
> Supm as an extension indicates pointer-masking support for user mode
> (U-mode). It relies on Ssnpm or Smnpm for the underlying hardware
> implementation.
>
> Major change in v2 is added dependency check for Supm in bindings.
>
> As a ratified feature, define a dedicated RISCV_ISA_EXT_ id for Supm.
> However, since Supm is targeting U-mode, it should not be added into
> devicetrees that describe hardware running privileged system softwares.
>
> [...]
Applied to riscv-dt-for-next, thanks!
[1/3] dt-bindings: riscv: Add Supm extension description
https://git.kernel.org/conor/c/5932c871e067
Thanks,
Conor.
next prev parent reply other threads:[~2026-03-06 18:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-25 1:36 [PATCH v2 0/3] riscv: cpufeature: Add Supm extension id and validation Guodong Xu
2026-01-25 1:36 ` [PATCH v2 1/3] dt-bindings: riscv: Add Supm extension description Guodong Xu
2026-01-28 20:10 ` Conor Dooley
2026-01-25 1:36 ` [PATCH v2 2/3] riscv: cpufeature: Add ISA extension parsing for Supm Guodong Xu
2026-03-08 18:20 ` Samuel Holland
2026-01-25 1:36 ` [PATCH v2 3/3] riscv: cpufeature: Clarify ISA spec version for canonical order Guodong Xu
2026-03-06 18:05 ` Conor Dooley [this message]
2026-04-30 3:25 ` [PATCH v2 0/3] riscv: cpufeature: Add Supm extension id and validation patchwork-bot+linux-riscv
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