RE: [PATCH] riscv: alternative: remove alternative boundary symbols in vdso

[Wang, Xiao W]

> -----Original Message-----
> From: Jisheng Zhang <jszhang@xxxxxxxxxx>
> Sent: Monday, September 4, 2023 10:35 PM
> To: Wang, Xiao W <xiao.w.wang@xxxxxxxxx>
> Cc: paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx;
> aou@xxxxxxxxxxxxxxxxx; linux-riscv@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] riscv: alternative: remove alternative boundary symbols
> in vdso
> 
> On Sat, Sep 02, 2023 at 10:25:10AM +0800, Xiao Wang wrote:
> > Instruction patching for vdso is based on elf header parsing to get the
> > beginning and ending of .alternative section, the __alt_start and __alt_end
> > symbols defined in vdso linker script are not used, so this patch removes
> > them.
> 
> The same patch has been in mailist since July:
> 
> https://lore.kernel.org/linux-riscv/20230726173024.3684-2-
> jszhang@xxxxxxxxxx/
> 
> Thanks

OK, then please go ahead with that patch review and ignore this one.

BRs,
Xiao

> >
> > Signed-off-by: Xiao Wang <xiao.w.wang@xxxxxxxxx>
> > ---
> >  arch/riscv/kernel/vdso/vdso.lds.S | 2 --
> >  1 file changed, 2 deletions(-)
> >
> > diff --git a/arch/riscv/kernel/vdso/vdso.lds.S
> b/arch/riscv/kernel/vdso/vdso.lds.S
> > index 82ce64900f3d..d43fd7c7dd11 100644
> > --- a/arch/riscv/kernel/vdso/vdso.lds.S
> > +++ b/arch/riscv/kernel/vdso/vdso.lds.S
> > @@ -42,9 +42,7 @@ SECTIONS
> >
> >  	. = ALIGN(4);
> >  	.alternative : {
> > -		__alt_start = .;
> >  		*(.alternative)
> > -		__alt_end = .;
> >  	}
> >
> >  	.data		: {
> > --
> > 2.25.1
> >