On 08.07.24 14:50, Taylor R Campbell wrote:
Date: Mon, 8 Jul 2024 11:09:21 +0200 From: Jan Beulich <[email protected]>On 06.07.2024 04:22, Taylor R Campbell wrote:On a Xen 4.14 host (with extraversion=.0.88.g1d1d1f53), with version 1 grant tables, where GNTTABOP_query_size initially returns nr_frames=32 max_nr_frames=64, a NetBSD guest repeatedly queries GNTTABOP_setup_table for successively larger nr_frames from 1 up.First question: Is there some earlier GNTTABOP_setup_table that you invoke? I'd expect (and also observe) nr_frames=1 initially.Not that the guest OS invokes. Perhaps the bootloader, pv-grub 0.97, might invoke GNTTABOP_setup_table? I looked around but couldn't find an obvious source for pv-grub 0.97.
This is based on Mini-OS, which does GNTTABOP_setup_table with nr_frames=1 Juergen
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