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Date: Fri, 10 May 2024 14:25:26 -0700
From: Charlie Jenkins <charlie@rivosinc.com>
To: Conor Dooley <conor@kernel.org>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, Guo Ren <guoren@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>,
	Conor Dooley <conor.dooley@microchip.com>,
	Evan Green <evan@rivosinc.com>,
	=?iso-8859-1?Q?Cl=E9ment_L=E9ger?= <cleger@rivosinc.com>,
	Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>,
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Subject: Re: [PATCH v6 06/17] riscv: Add vendor extensions to /proc/cpuinfo
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References: <20240503-dev-charlie-support_thead_vector_6_9-v6-0-cb7624e65d82@rivosinc.com>
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On Fri, May 10, 2024 at 09:50:32PM +0100, Conor Dooley wrote:
> On Tue, May 07, 2024 at 06:03:19PM +0100, Conor Dooley wrote:
> > On Fri, May 03, 2024 at 11:18:21AM -0700, Charlie Jenkins wrote:
> > > All of the supported vendor extensions that have been listed in
> > > riscv_isa_vendor_ext_list can be exported through /proc/cpuinfo.
> > > 
> > > Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
> > 
> > This seems fine, thanks for updating this interface :)
> > 
> > Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> 
> Hmm, actually the automation on patchwork is complaining a bunch about
> the series, but I think that's mostly false positives except for this
> patch. The nommu defconfigs are prob the easiest way to reproduce this:
>   /build/tmp.QPMRM3oUNu/arch/riscv/kernel/vendor_extensions.c:41:55: error: 'struct riscv_isa_vendor_ext_data_list' has no member named 'vendor_bitmap'
>   /build/tmp.QPMRM3oUNu/arch/riscv/kernel/vendor_extensions.c:42:60: error: 'struct riscv_isa_vendor_ext_data_list' has no member named 'per_hart_vendor_bitmap'; did you mean 'per_hart_isa_bitmap'?
>   /build/tmp.QPMRM3oUNu/arch/riscv/kernel/vendor_extensions.c:43:60: error: 'struct riscv_isa_vendor_ext_data_list' has no member named 'bitmap_size'
> 
> Cheers,
> Conor.

The false negatives always throw me off. The errors are also offset by
one patch. This was actually introduced in the following patch "riscv:
Introduce vendor variants of extension helpers" because I accidentally
fixed this issue in the patch "riscv: cpufeature: Extract common
elements from extension checking" instead of the one it was introduced
in.

- Charlie