Re: [Xen-devel] Build problems: references to init_mm in pgtable*.h

["Stephen C. Tweedie" <sct@xxxxxxxxxx>]

Hi,

On Tue, 2005-12-13 at 19:34 -0800, Christian Limpach wrote:

> I've changed the set_pte_at and set_pte_at_sync inline functions to be
> macros.  This way, init_mm only needs to be defined where these macros
> are used.
> Does this fix all the errors you're seeing?

It's still failing for kernel/power/main.c, which depends on CONFIG_PM.
Now, which parts of CONFIG_PM are safe under Xen is another question ---
the right answer here may well be to add a "depends !XEN" to CONFIG_PM.
But with it enabled I still get

  CC      kernel/power/main.o
In file included from include/asm/suspend.h:6,
                 from include/linux/suspend.h:5,
                 from kernel/power/main.c:11:
include/asm/mach-xen/asm/desc.h: In function âwrite_ldt_entryâ:
include/asm/mach-xen/asm/desc.h:103: error: âinit_mmâ undeclared (first use in 
this function)
include/asm/mach-xen/asm/desc.h:103: error: (Each undeclared identifier is 
reported only once
include/asm/mach-xen/asm/desc.h:103: error: for each function it appears in.)

with the macro fix.  I'm using the PM config options:

# Power management options (ACPI, APM)
CONFIG_PM=y
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_POWER=y

for now --- I really want to be able to run a dom0 on my laptop, even if
the cpufreq governer gets a little confused about time spent in a domU.
It certainly builds and boots fine with the PM options enabled, as long
as I include linux/sched.h in the pgtable*.h files.

Cheers,
 Stephen




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