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Re: [PATCH v1 2/5] xen/riscv: implement maddr_to_virt()
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 17 Oct 2024 16:55:03 +0200
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 17 Oct 2024 14:55:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 16.10.2024 11:15, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/include/asm/mm.h
> +++ b/xen/arch/riscv/include/asm/mm.h
> @@ -25,8 +25,12 @@
>
> static inline void *maddr_to_virt(paddr_t ma)
> {
> - BUG_ON("unimplemented");
> - return NULL;
> + /* Offset in the direct map, accounting for pdx compression */
> + unsigned long va_offset = maddr_to_directmapoff(ma);
Why the mentioning of PDX compression? At least right now it's unavailable
for RISC-V afaics. Are there plans to change that any time soon?
Jan
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