John Baldwin wrote:
> jhb 2007-04-25 16:22:18 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/dev/acpica acpi.c
> Log:
> Use a tighter check to see if a resource allocation request is for a
> specific request and thus should first try to be allocated from the
> sys_resource pool. This avoids using the sys_resource pool for wildcard
> requests that have bounded ranges coming from cbb(4) and Host-PCI pcib(4)
> drivers.
>
> Tested by: Andrea Bittau <a.bittau of cs.ucl.ac.uk fame>
> Sleuthing by: Andrea Bittau as well
>
> Revision Changes Path
> 1.235 +1 -1 src/sys/dev/acpica/acpi.c
>
>
> Index: src/sys/dev/acpica/acpi.c
> diff -u src/sys/dev/acpica/acpi.c:1.234 src/sys/dev/acpica/acpi.c:1.235
> --- src/sys/dev/acpica/acpi.c:1.234 Thu Mar 22 18:16:40 2007
> +++ src/sys/dev/acpica/acpi.c Wed Apr 25 16:22:18 2007
> @@ -1034,7 +1034,7 @@
> * the request from our system resource regions. If we can't, pass the
> * request up to the parent.
> */
> - if (!(start == 0UL && end == ~0UL) && rm != NULL)
> + if (start + count - 1 == end && rm != NULL)
> res = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE,
> child);
> if (res == NULL) {
I think I'll test this to see if it helps my via 8235 ata survive boot.
--
Nate
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