Re: [PATCH 03/14] x86, ACPI: store override acpi tables phys addr

From: Yinghai Lu
Date: Fri Mar 08 2013 - 01:49:11 EST


On Thu, Mar 7, 2013 at 9:36 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On Thu, Mar 07, 2013 at 08:58:29PM -0800, Yinghai Lu wrote:
>> As later 32bit only find table with phys address during 32bit flat mode
>> in head_32.S.
>>
>> To keep 32bit and 64 bit consistent, use phys_addr for all.
>>
>> Use early_ioremap to access during copying.
>>
>> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
>> Cc: Thomas Renninger <trenn@xxxxxxx>
>> Cc: Rafael J. Wysocki <rjw@xxxxxxx>
>> Cc: linux-acpi@xxxxxxxxxxxxxxx
>> ---
>> @@ -654,10 +654,13 @@ void __init acpi_initrd_override_copy(void)
>> arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
>>
>> for (no = 0; no < table_nr; no++) {
>> - size_t size = early_initrd_files[no].size;
>> + unsigned long size = early_initrd_files[no].size;
>>
>> p = early_ioremap(acpi_tables_addr + total_offset, size);
>> - memcpy(p, early_initrd_files[no].data, size);
>> + q = early_ioremap((unsigned long)early_initrd_files[no].data,
>> + size);
>> + memcpy(p, q, size);
>> + early_iounmap(q, size);
>
> Ah, okay, so the loop change in the previous patch was for this, I
> suppose? That chunk probably should either be a separate patch or
> rolled into this one.

merge two patches?
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