Re: [PATCH v5] riscv: Handle zicsr/zifencei issue between gcc and binutils

[Conor Dooley <conor.dooley@microchip.com>]

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On Thu, Aug 17, 2023 at 03:20:24PM +0000, patchwork-bot+linux-riscv@kernel.org wrote:
> Hello:
> 
> This patch was applied to riscv/linux.git (fixes)
> by Palmer Dabbelt <palmer@rivosinc.com>:
> 
> On Thu, 10 Aug 2023 00:56:48 +0800 you wrote:
> > Binutils-2.38 and GCC-12.1.0 bumped[0][1] the default ISA spec to the newer
> > 20191213 version which moves some instructions from the I extension to the
> > Zicsr and Zifencei extensions. So if one of the binutils and GCC exceeds
> > that version, we should explicitly specifying Zicsr and Zifencei via -march
> > to cope with the new changes. but this only occurs when binutils >= 2.36
> > and GCC >= 11.1.0. It's a different story when binutils < 2.36.
> > 
> > [...]
> 
> Here is the summary with links:
>   - [v5] riscv: Handle zicsr/zifencei issue between gcc and binutils
>     https://git.kernel.org/riscv/c/ca09f772ccca

*sigh* so this breaks the build for gcc-11 & binutils 2.37 w/
	Assembler messages:
	Error: cannot find default versions of the ISA extension `zicsr'
	Error: cannot find default versions of the ISA extension `zifencei'

I'll have a poke later.

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