[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v4 5/6] docs/about/deprecated: Document RISC-V "pmu-num" depr
From: |
Alistair Francis |
Subject: |
Re: [PATCH v4 5/6] docs/about/deprecated: Document RISC-V "pmu-num" deprecation |
Date: |
Mon, 23 Oct 2023 12:04:02 +1000 |
On Thu, Oct 19, 2023 at 1:47 AM Rob Bradford <rbradford@rivosinc.com> wrote:
>
> This has been replaced by a "pmu-mask" property that provides much more
> flexibility.
>
> Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
> Acked-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> docs/about/deprecated.rst | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index 2febd2d12f..857b5d4fc4 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -405,6 +405,18 @@ Specifying the iSCSI password in plain text on the
> command line using the
> used instead, to refer to a ``--object secret...`` instance that provides
> a password via a file, or encrypted.
>
> +CPU device properties
> +'''''''''''''''''''''
> +
> +``pmu-num=n`` on RISC-V CPUs (since 8.2)
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> +
> +In order to support more flexible counter configurations this has been
> replaced
> +by a ``pmu-mask`` property. If set of counters is continuous then the mask
> can
> +be calculated with ``((2 ^ n) - 1) << 3``. The least significant three bits
> +must be left clear.
> +
> +
> Backwards compatibility
> -----------------------
>
> --
> 2.41.0
>
>
- Re: [PATCH v4 2/6] target/riscv: Don't assume PMU counters are continuous, (continued)
- [PATCH v4 1/6] target/riscv: Propagate error from PMU setup, Rob Bradford, 2023/10/18
- [PATCH v4 6/6] target/riscv: Use MAKE_64BIT_MASK instead of custom macro, Rob Bradford, 2023/10/18
- [PATCH v4 3/6] target/riscv: Use existing PMU counter mask in FDT generation, Rob Bradford, 2023/10/18
- [PATCH v4 4/6] target/riscv: Add "pmu-mask" property to replace "pmu-num", Rob Bradford, 2023/10/18
- [PATCH v4 5/6] docs/about/deprecated: Document RISC-V "pmu-num" deprecation, Rob Bradford, 2023/10/18
- Re: [PATCH v4 5/6] docs/about/deprecated: Document RISC-V "pmu-num" deprecation,
Alistair Francis <=