Messages in this thread | | | From | Guo Ren <> | Date | Mon, 13 Feb 2023 09:22:03 +0800 | Subject | Re: [PATCH 1/2] riscv: Fix early alternative patching |
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On Sun, Feb 12, 2023 at 10:15 AM Samuel Holland <samuel@sholland.org> wrote: > > Now that the text to patch is located using a relative offset from the > alternative entry, the text address should be computed without applying > the kernel mapping offset, both before and after VM setup. > > Fixes: 8d23e94a4433 ("riscv: switch to relative alternative entries") > Signed-off-by: Samuel Holland <samuel@sholland.org> > --- > > arch/riscv/errata/thead/errata.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c > index c0bea5c94128..1dd90a5f86f0 100644 > --- a/arch/riscv/errata/thead/errata.c > +++ b/arch/riscv/errata/thead/errata.c > @@ -102,9 +102,7 @@ void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct al > > /* On vm-alternatives, the mmu isn't running yet */ > if (stage == RISCV_ALTERNATIVES_EARLY_BOOT) > - memcpy((void *)__pa_symbol(oldptr), > - (void *)__pa_symbol(altptr), > - alt->alt_len); > + memcpy(oldptr, altptr, alt->alt_len); > else > patch_text_nosync(oldptr, altptr, alt->alt_len); > } > -- > 2.37.4 > Reviewed-by: Guo Ren <guoren@kernel.org>
-- Best Regards Guo Ren
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