Re: [PATCH DO NOT REVIEW v4 4/7] riscv: errata: andes: Fix auipc-jalr addresses in patched alternatives

From: Lad, Prabhakar
Date: Fri Nov 25 2022 - 05:10:52 EST


Hi Guo,

On Fri, Nov 25, 2022 at 1:09 AM Guo Ren <guoren@xxxxxxxxxx> wrote:
>
> On Fri, Nov 25, 2022 at 1:22 AM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> >
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > This patch is added just for building purpose, as patch [0] will export
> > this in its next version.
> >
> > https://patchwork.kernel.org/project/linux-riscv/patch/20221110164924.529386-6-heiko@xxxxxxxxx/
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> > Note, as Heiko will be exporting riscv_alternative_fix_auipc_jalr() function
> > so that it can be used other erratas Ive just included for compilation.
> > ---
> > arch/riscv/errata/andes/errata.c | 71 ++++++++++++++++++++++++++++++++
> > 1 file changed, 71 insertions(+)
> >
> > diff --git a/arch/riscv/errata/andes/errata.c b/arch/riscv/errata/andes/errata.c
> > index ec3e052ca8c7..4061ad4983bc 100644
> > --- a/arch/riscv/errata/andes/errata.c
> > +++ b/arch/riscv/errata/andes/errata.c
> > @@ -13,9 +13,80 @@
> > #include <asm/alternative.h>
> > #include <asm/cacheflush.h>
> > #include <asm/errata_list.h>
> > +#include <asm/parse_asm.h>
> > #include <asm/patch.h>
> > +#include <asm/sbi.h>
> > #include <asm/vendorid_list.h>
> >
> > +/* Copy of Heiko's code from patch [0]
> > + * [0] https://patchwork.kernel.org/project/linux-riscv/patch/20221110164924.529386-6-heiko@xxxxxxxxx/
> Move it to commit-msg. No link in the code.
>
This patch is *not* to be merged and is just included for compilation
purposes only.

Cheers,
Prabhakar