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Date:   Wed, 26 Jul 2023 20:41:55 +0100
From:   Conor Dooley <conor@kernel.org>
To:     Mingzheng Xing <xingmingzheng@iscas.ac.cn>
Cc:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>, Bin Meng <bmeng@tinylab.org>,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        llvm@lists.linux.dev, stable@vger.kernel.org
Subject: Re: [PATCH v2] riscv: Handle zicsr/zifencei issue between gcc and
 binutils
Message-ID: <20230726-armchair-evasive-427dd245a9fe@spud>
References: <20230726174524.340952-1-xingmingzheng@iscas.ac.cn>
 <20230726-outclass-parade-2ccea9f6688a@spud>
 <10231b81-ea42-26d0-4c11-92851229e658@iscas.ac.cn>
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On Thu, Jul 27, 2023 at 03:34:16AM +0800, Mingzheng Xing wrote:
> On 7/27/23 02:02, Conor Dooley wrote:

> > This is still broken for:
> > CONFIG_CLANG_VERSION=3D0
> > CONFIG_AS_IS_GNU=3Dy
> > CONFIG_AS_VERSION=3D23500
> > CONFIG_LD_IS_BFD=3Dy
> > CONFIG_LD_VERSION=3D23500
>=20
> Do you mean that these CONFIG_* will cause kernel
> compilation errors when paired with certain versions of GCC?
> Or perhaps I misunderstood your meaning.

No, this section is generated by kconfig, although I messed up my
trimming of the list & accidentally removed the gcc version, rather
than the clang version. Here's the full thing:

CONFIG_CC_VERSION_TEXT=3D"riscv64-unknown-linux-gnu-gcc (g2ee5e430018) 12.2=
=2E0"
CONFIG_CC_IS_GCC=3Dy
CONFIG_GCC_VERSION=3D120200
CONFIG_CLANG_VERSION=3D0
CONFIG_AS_IS_GNU=3Dy
CONFIG_AS_VERSION=3D23500
CONFIG_LD_IS_BFD=3Dy
CONFIG_LD_VERSION=3D23500
CONFIG_LLD_VERSION=3D0
CONFIG_CC_CAN_LINK=3Dy
CONFIG_CC_CAN_LINK_STATIC=3Dy
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=3Dy
CONFIG_CC_HAS_ASM_GOTO_TIED_OUTPUT=3Dy
CONFIG_CC_HAS_ASM_INLINE=3Dy
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=3Dy
CONFIG_PAHOLE_VERSION=3D0
CONFIG_CONSTRUCTORS=3Dy
CONFIG_IRQ_WORK=3Dy
CONFIG_BUILDTIME_TABLE_SORT=3Dy

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