[PATCH] arm64: patching: avoid early page_to_phys()

[Christoph Hellwig]

On Mon, Dec 02, 2024 at 05:03:59PM +0000, Mark Rutland wrote:
> +	phys_addr_t phys;
> +
> +	if (is_image_text((unsigned long)addr)) {
> +		phys = __pa_symbol(addr);
> +	} else {
> +		struct page *page = vmalloc_to_page(addr);
> +		BUG_ON(!page);
> +		phys = page_to_phys(page) + offset_in_page(addr);
> +	}
> +
> +	return (void *)set_fixmap_offset(fixmap, phys);

This looks much better.  Btw, I recently open coded the vmalloc to phys
logic above in an unrelated fix, and noticed that
arch/powerpc/mm/pgtable.c has a nice vmalloc_to_phys that could
be generalized and move to common code.  Does anyone have an opinion
on that?