linux-kernel - Re: [PATCH v3 2/4] RISC-V: lib: Add pi aliases for string functions

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Message-ID: <ZoNtrXawP8nvXUds@ghost>
Date: Mon, 1 Jul 2024 20:02:05 -0700
From: Charlie Jenkins <charlie@...osinc.com>
To: Jesse Taube <jesse@...osinc.com>
Cc: linux-riscv@...ts.infradead.org, Ard Biesheuvel <ardb@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Wende Tan <twd2.me@...il.com>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Baoquan He <bhe@...hat.com>,
	"Mike Rapoport (IBM)" <rppt@...nel.org>,
	"Vishal Moola (Oracle)" <vishal.moola@...il.com>,
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH v3 2/4] RISC-V: lib: Add pi aliases for string functions

On Mon, Jul 01, 2024 at 02:51:30PM -0400, Jesse Taube wrote:
> memset, strcmp, and strncmp are all used in the the __pi_ section.
> add SYM_FUNC_ALIAS for them.
> 
> When KASAN is enabled in <asm/string.h> __pi___memset is also needed.
> 
> Suggested-by: Charlie Jenkins <charlie@...osinc.com>
> Signed-off-by: Jesse Taube <jesse@...osinc.com>
> ---
> V2 -> V3:
>  - New patch
> ---
>  arch/riscv/lib/memset.S  | 2 ++
>  arch/riscv/lib/strcmp.S  | 1 +
>  arch/riscv/lib/strncmp.S | 1 +
>  3 files changed, 4 insertions(+)
> 
> diff --git a/arch/riscv/lib/memset.S b/arch/riscv/lib/memset.S
> index 35f358e70bdb..da23b8347e2d 100644
> --- a/arch/riscv/lib/memset.S
> +++ b/arch/riscv/lib/memset.S
> @@ -111,3 +111,5 @@ SYM_FUNC_START(__memset)
>  	ret
>  SYM_FUNC_END(__memset)
>  SYM_FUNC_ALIAS_WEAK(memset, __memset)
> +SYM_FUNC_ALIAS(__pi_memset, __memset)
> +SYM_FUNC_ALIAS(__pi___memset, __memset)
> diff --git a/arch/riscv/lib/strcmp.S b/arch/riscv/lib/strcmp.S
> index 687b2bea5c43..bc73325b2fd1 100644
> --- a/arch/riscv/lib/strcmp.S
> +++ b/arch/riscv/lib/strcmp.S
> @@ -120,3 +120,4 @@ strcmp_zbb:
>  .option pop
>  #endif
>  SYM_FUNC_END(strcmp)
> +SYM_FUNC_ALIAS(__pi_strcmp, strcmp)
> diff --git a/arch/riscv/lib/strncmp.S b/arch/riscv/lib/strncmp.S
> index aba5b3148621..b36325a57f6a 100644
> --- a/arch/riscv/lib/strncmp.S
> +++ b/arch/riscv/lib/strncmp.S
> @@ -136,3 +136,4 @@ strncmp_zbb:
>  .option pop
>  #endif
>  SYM_FUNC_END(strncmp)
> +SYM_FUNC_ALIAS(__pi_strncmp, strncmp)
> -- 
> 2.45.2
> 

Reviewed-by: Charlie Jenkins <charlie@...osinc.com>