linux-kernel - Re: [PATCH v3 1/6] RISC-V: add vector extension validation checks

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Message-ID: <20250206-silica-outscore-b2ec7ff9e945@spud>
Date: Thu, 6 Feb 2025 11:19:43 +0000
From: Conor Dooley <conor@...nel.org>
To: Clément Léger <cleger@...osinc.com>
Cc: linux-riscv@...ts.infradead.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Eric Biggers <ebiggers@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>, Andy Chiu <andybnac@...il.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/6] RISC-V: add vector extension validation checks

On Thu, Feb 06, 2025 at 11:08:57AM +0100, Clément Léger wrote:
> On 05/02/2025 17:05, Conor Dooley wrote:
> > From: Conor Dooley <conor.dooley@...rochip.com>
> >  static int riscv_ext_zca_depends(const struct riscv_isa_ext_data *data,
> >  				 const unsigned long *isa_bitmap)
> >  {
> > @@ -326,12 +355,10 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> >  	__RISCV_ISA_EXT_DATA(d, RISCV_ISA_EXT_d),
> >  	__RISCV_ISA_EXT_DATA(q, RISCV_ISA_EXT_q),
> >  	__RISCV_ISA_EXT_SUPERSET(c, RISCV_ISA_EXT_c, riscv_c_exts),
> > -	__RISCV_ISA_EXT_SUPERSET(v, RISCV_ISA_EXT_v, riscv_v_exts),
> > +	__RISCV_ISA_EXT_SUPERSET_VALIDATE(v, RISCV_ISA_EXT_v, riscv_v_exts, riscv_ext_vector_float_validate),
> >  	__RISCV_ISA_EXT_DATA(h, RISCV_ISA_EXT_h),
> > -	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicbom, RISCV_ISA_EXT_ZICBOM, riscv_xlinuxenvcfg_exts,
> > -					  riscv_ext_zicbom_validate),
> > -	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts,
> > -					  riscv_ext_zicboz_validate),
> > +	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicbom, RISCV_ISA_EXT_ZICBOM, riscv_xlinuxenvcfg_exts, riscv_ext_zicbom_validate),
> > +	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts, riscv_ext_zicboz_validate),
> 
> This chunk seems to just remove line wrapping for existing code, not
> sure if this is intended.

I probably removed the line wrapping from it in passing because I found
the array very difficult to follow once all the validate callbacks were
added to it with correct line wrapping applied. I did intend to not line
wrap what I was adding, I forgot I removed line wrapping for existing
stuff too.


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