From: Alex Ghiti <alex@ghiti.fr>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: anup@brainfault.org, linux-kernel@vger.kernel.org,
zong.li@sifive.com, Paul Walmsley <paul.walmsley@sifive.com>,
linux-riscv@lists.infradead.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH 6/7] dt-bindings: riscv: Remove "riscv, svXX" property from device-tree
Date: Tue, 7 Apr 2020 01:14:52 -0400 [thread overview]
Message-ID: <56690fc1-fdc3-67d9-5a39-e92d0ec6810c@ghiti.fr> (raw)
In-Reply-To: <mhng-264d030a-d77e-43b6-a2d8-d4598205e2af@palmerdabbelt-glaptop1>
On 4/3/20 11:53 AM, Palmer Dabbelt wrote:
> On Sun, 22 Mar 2020 04:00:27 PDT (-0700), alex@ghiti.fr wrote:
>> This property can not be used before virtual memory is set up
>> and then the distinction between sv39 and sv48 is done at runtime
>> using SATP csr property: this property is now useless, so remove it.
>>
>> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
>> ---
>> Documentation/devicetree/bindings/riscv/cpus.yaml | 13 -------------
>> 1 file changed, 13 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml
>> b/Documentation/devicetree/bindings/riscv/cpus.yaml
>> index 04819ad379c2..12baabbac213 100644
>> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
>> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
>> @@ -39,19 +39,6 @@ properties:
>> Identifies that the hart uses the RISC-V instruction set
>> and identifies the type of the hart.
>>
>> - mmu-type:
>> - allOf:
>> - - $ref: "/schemas/types.yaml#/definitions/string"
>> - - enum:
>> - - riscv,sv32
>> - - riscv,sv39
>> - - riscv,sv48
>> - description:
>> - Identifies the MMU address translation mode used on this
>> - hart. These values originate from the RISC-V Privileged
>> - Specification document, available from
>> - https://riscv.org/specifications/
>> -
>> riscv,isa:
>> allOf:
>> - $ref: "/schemas/types.yaml#/definitions/string"
>
> I'd prefer if we continue to define this in the schema: while Linux
> won't use
> it, it's still useful for other programs that want to statically
> determine the
> available VA widths.
Sure, I'll remove that in next version.
Thanks,
Alex
next prev parent reply other threads:[~2020-04-07 5:15 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-22 11:00 [RFC PATCH 0/7] Introduce sv48 support Alexandre Ghiti
2020-03-22 11:00 ` [RFC PATCH 1/7] riscv: Get rid of compile time logic with MAX_EARLY_MAPPING_SIZE Alexandre Ghiti
2020-03-26 6:10 ` Anup Patel
2020-04-03 15:17 ` Palmer Dabbelt
2020-04-07 5:12 ` Alex Ghiti
2020-03-22 11:00 ` [RFC PATCH 2/7] riscv: Allow to dynamically define VA_BITS Alexandre Ghiti
2020-03-26 6:12 ` Anup Patel
2020-04-03 15:17 ` Palmer Dabbelt
2020-04-07 5:12 ` Alex Ghiti
2020-03-22 11:00 ` [RFC PATCH 3/7] riscv: Simplify MAXPHYSMEM config Alexandre Ghiti
2020-03-26 6:22 ` Anup Patel
2020-03-26 6:34 ` Anup Patel
2020-04-03 15:53 ` Palmer Dabbelt
2020-04-07 5:13 ` Alex Ghiti
2020-03-22 11:00 ` [RFC PATCH 4/7] riscv: Implement sv48 support Alexandre Ghiti
2020-03-26 7:00 ` Anup Patel
2020-03-31 16:31 ` Alex Ghiti
2020-04-03 15:53 ` Palmer Dabbelt
2020-04-07 5:14 ` Alex Ghiti
2020-04-07 5:56 ` Anup Patel
2020-04-08 4:39 ` Alex Ghiti
2020-04-08 5:06 ` Anup Patel
2020-03-22 11:00 ` [RFC PATCH 5/7] riscv: Use pgtable_l4_enabled to output mmu type in cpuinfo Alexandre Ghiti
2020-03-26 7:01 ` Anup Patel
2020-04-03 15:53 ` Palmer Dabbelt
2020-04-07 5:14 ` Alex Ghiti
2020-03-22 11:00 ` [RFC PATCH 6/7] dt-bindings: riscv: Remove "riscv, svXX" property from device-tree Alexandre Ghiti
2020-03-26 7:03 ` Anup Patel
2020-04-03 15:53 ` Palmer Dabbelt
2020-04-07 5:14 ` Alex Ghiti [this message]
2020-03-22 11:00 ` [RFC PATCH 7/7] riscv: Explicit comment about user virtual address space size Alexandre Ghiti
2020-03-26 7:05 ` Anup Patel
2020-04-03 15:53 ` Palmer Dabbelt
2020-04-07 5:15 ` Alex Ghiti
2020-03-31 19:53 ` [RFC PATCH 0/7] Introduce sv48 support Palmer Dabbelt
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