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Re: [PATCH v3 02/20] xen/riscv: introduce sbi_remote_hfence_gvma_vmid()
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 4 Aug 2025 15:55:46 +0200
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 04 Aug 2025 13:55:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 31.07.2025 17:58, Oleksii Kurochko wrote:
> It instructs the remote harts to execute one or more HFENCE.GVMA instructions
> by making an SBI call, covering the range of guest physical addresses between
> start_addr and start_addr + size only for the given VMID.
>
> The remote fence operation applies to the entire address space if either:
> - start_addr and size are both 0, or
> - size is equal to 2^XLEN-1.
>
> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
with perhaps a similar on-commit edit as suggested for patch 1.
Jan
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