From: Conor Dooley <conor@kernel.org>
To: Samuel Holland <samuel.holland@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
Andrew Jones <ajones@ventanamicro.com>,
linux-kernel@vger.kernel.org, Alexandre Ghiti <alex@ghiti.fr>,
linux-riscv@lists.infradead.org,
Stefan O'Rear <sorear@fastmail.com>,
stable@vger.kernel.org
Subject: Re: [PATCH -fixes v4 3/3] riscv: Save/restore envcfg CSR during CPU suspend
Date: Wed, 28 Feb 2024 10:14:30 +0000 [thread overview]
Message-ID: <20240228-persuader-dehydrate-549097aafac1@spud> (raw)
In-Reply-To: <20240228065559.3434837-4-samuel.holland@sifive.com>
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On Tue, Feb 27, 2024 at 10:55:35PM -0800, Samuel Holland wrote:
> The value of the [ms]envcfg CSR is lost when entering a nonretentive
> idle state, so the CSR must be rewritten when resuming the CPU.
>
> Cc: <stable@vger.kernel.org> # v6.7+
> Fixes: 43c16d51a19b ("RISC-V: Enable cbo.zero in usermode")
> Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Cheers,
Conor.
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next prev parent reply other threads:[~2024-02-28 10:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240228065559.3434837-1-samuel.holland@sifive.com>
2024-02-28 6:55 ` [PATCH -fixes v4 1/3] riscv: Fix enabling cbo.zero when running in M-mode Samuel Holland
2024-02-28 10:13 ` Conor Dooley
2024-02-28 6:55 ` [PATCH -fixes v4 2/3] riscv: Add a custom ISA extension for the [ms]envcfg CSR Samuel Holland
2024-02-28 10:12 ` Conor Dooley
2024-02-29 18:23 ` Palmer Dabbelt
2024-02-29 18:30 ` Conor Dooley
2024-02-29 23:40 ` Palmer Dabbelt
2024-02-28 13:23 ` Andrew Jones
2024-02-28 6:55 ` [PATCH -fixes v4 3/3] riscv: Save/restore envcfg CSR during CPU suspend Samuel Holland
2024-02-28 10:14 ` Conor Dooley [this message]
2024-02-28 13:27 ` Andrew Jones
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