Re: acpidmar(4): Move debug printf to show the actual mapping
Mark Kettenis <[email protected]> Wed, 29 Jul 2026 23:15:14 +0200
| Newsgroups | gmane.os.openbsd.tech |
|---|---|
| Message-ID | <[email protected]> |
> Date: Tue, 28 Jul 2026 16:04:39 +0200 > From: hshoexer <[email protected]> > > Hi, > > trivial tweak to debug print the single mappings. Note, this > requires to adjust debugme() to actually print something. > > ok? I think I had something similar in my tree at some point. So ok kettenis@. Although I question the usefulness of most of the debug code in acpidmar(4). I'd like to see most of it removed eventually. > > ------------------------------------------------------------------------ > diff --git a/sys/dev/acpi/acpidmar.c b/sys/dev/acpi/acpidmar.c > index cf18265fd09..b680b858411 100644 > --- a/sys/dev/acpi/acpidmar.c > +++ b/sys/dev/acpi/acpidmar.c > @@ -857,16 +857,16 @@ domain_load_map(struct domain *dom, bus_dmamap_t map, int flags, int pteflag, > if (error) > goto fail; > > + if (debugme(dom)) { > + printf(" LOADMAP: %.16llx %x => %.16llx\n", > + (uint64_t)seg->ds_addr, > + (uint32_t)seg->ds_len, (uint64_t)res); > + } > + > /* Reassign DMA address */ > seg->ds_addr = res | (seg->ds_addr & VTD_PAGE_MASK); > } > > - if (debugme(dom)) { > - printf(" LOADMAP: %.16llx %x => %.16llx\n", > - (uint64_t)seg->ds_addr, (uint32_t)seg->ds_len, > - (uint64_t)res); > - } > - > mapped_nsegs = i + 1; > > for (idx = 0; idx < alen; idx += VTD_PAGE_SIZE) { > >