linux-kernel - Re: [PATCH] riscv: vdso: do not strip debugging info for vdso.so.dbg

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Date: Thu, 4 Jul 2024 01:57:51 +0000
From: duchangbin <changbin.du@...wei.com>
To: duchangbin <changbin.du@...wei.com>
CC: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
	<palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
	"linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] riscv: vdso: do not strip debugging info for vdso.so.dbg

Hello,
Is there any problem with this change? Ping~

On Tue, Jun 11, 2024 at 12:09:47PM +0800, Changbin Du wrote:
> The vdso.so.dbg is a debug version of vdso and could be used for debugging
> purpose. For example, perf-annotate requires debugging info to show source
> lines. So let's keep its debugging info.
> 
> Signed-off-by: Changbin Du <changbin.du@...wei.com>
> ---
>  arch/riscv/kernel/vdso/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
> index f7ef8ad9b550..960feb1526ca 100644
> --- a/arch/riscv/kernel/vdso/Makefile
> +++ b/arch/riscv/kernel/vdso/Makefile
> @@ -45,7 +45,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
>  # link rule for the .so file, .lds has to be first
>  $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
>  	$(call if_changed,vdsold)
> -LDFLAGS_vdso.so.dbg = -shared -S -soname=linux-vdso.so.1 \
> +LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \
>  	--build-id=sha1 --hash-style=both --eh-frame-hdr
>  
>  # strip rule for the .so file
> -- 
> 2.34.1
> 

-- 
Cheers,
Changbin Du