Re: [Part1 PATCH v5 08/22] x86, ACPI: Make acpi_initrd_override_find work with 32bit flat mode

2013-06-17 Thread Tejun Heo
On Thu, Jun 13, 2013 at 09:02:55PM +0800, Tang Chen wrote: > From: Yinghai Lu > > For finding procedure, it would be easy to access initrd in 32bit flat > mode, as we don't need to setup page table. That is from head_32.S, and > microcode updating already use this trick. It'd be really great if

[PATCH v5 08/22] x86, ACPI: Make acpi_initrd_override_find work with 32bit flat mode

2013-06-14 Thread Yinghai Lu
For finding with 32bit, it would be easy to access initrd in 32bit flat mode, as we don't need to set page table. That is from head_32.S, and microcode updating already use this trick. Need to change acpi_initrd_override_find to use phys to access global variables. Pass is_phys in the function,

[Part1 PATCH v5 08/22] x86, ACPI: Make acpi_initrd_override_find work with 32bit flat mode

2013-06-13 Thread Tang Chen
From: Yinghai Lu For finding procedure, it would be easy to access initrd in 32bit flat mode, as we don't need to setup page table. That is from head_32.S, and microcode updating already use this trick. This patch does the following: 1. Change acpi_initrd_override_find to use phys to access glo