On 10.09.2024 10:15, Juergen Gross wrote:
> On 20.08.24 11:56, Jan Beulich wrote:
>> On 20.08.2024 10:20, Juergen Gross wrote:
>>> @@ -838,6 +839,31 @@ void __init xen_do_remap_nonram(void)
>>> pr_info("Remapped %u non-RAM page(s)\n", remapped);
>>> }
>>>
>>> +/*
>>> + * Xen variant of acp
On 20.08.24 11:56, Jan Beulich wrote:
On 20.08.2024 10:20, Juergen Gross wrote:
@@ -838,6 +839,31 @@ void __init xen_do_remap_nonram(void)
pr_info("Remapped %u non-RAM page(s)\n", remapped);
}
+/*
+ * Xen variant of acpi_os_ioremap() taking potentially remapped non-RAM
+ * regions
t-checking/20240820-162344
base: tip/x86/core
patch link:
https://lore.kernel.org/r/20240820082012.31316-7-jgross%40suse.com
patch subject: [PATCH v2 6/7] xen: allow mapping ACPI data using a different
physical address
config: x86_64-randconfig-004-20240820
(https://download.01.org/0day-
t-checking/20240820-162344
base: tip/x86/core
patch link:
https://lore.kernel.org/r/20240820082012.31316-7-jgross%40suse.com
patch subject: [PATCH v2 6/7] xen: allow mapping ACPI data using a different
physical address
config: i386-buildonly-randconfig-002-20240820
(https://download.01.org/0day-
On 20.08.2024 10:20, Juergen Gross wrote:
> @@ -838,6 +839,31 @@ void __init xen_do_remap_nonram(void)
> pr_info("Remapped %u non-RAM page(s)\n", remapped);
> }
>
> +/*
> + * Xen variant of acpi_os_ioremap() taking potentially remapped non-RAM
> + * regions into acount.
> + * Any attempt t
When running as a Xen PV dom0 the system needs to map ACPI data of the
host using host physical addresses, while those addresses can conflict
with the guest physical addresses of the loaded linux kernel.
This conflict can be solved by mapping the ACPI data to a different
guest physical address, bu