Re: [PATCH -fixes v4 3/3] riscv: Save/restore envcfg CSR during CPU suspend
From: Conor Dooley
Date: Wed Feb 28 2024 - 05:14:40 EST
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@xxxxxxxxxxxxxxx> # v6.7+
> Fixes: 43c16d51a19b ("RISC-V: Enable cbo.zero in usermode")
> Signed-off-by: Samuel Holland <samuel.holland@xxxxxxxxxx>
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Cheers,
Conor.
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