Re: [PATCH 6 of 7] x86: use early_ioremap in __acpi_map_table

Jeremy Fitzhardinge
2008-09-11T18:36:58Z

Ingo Molnar wrote:
> the false positive should be avoided, for example by unmapping the
> 'prev' mapping shortly before the leak check.
>

Yep. I'll make it unmap just before setting acpi_gbl_permanent_mmap,
which is when it switches to using plain old ioremap.

>> (All those other backtraces are just informational, right?)
>>
>
> no, they cause hard failures in my test setup. Nor do we want to litter
> the bootup log with messages that are not correct.
>

No, I mean that early_ioremap_debug causes all early_ioremap()s to dump
a stack trace, so most of the stack dumps in the boot log are
diagnostic/informational rather than indications of lots of problems.

J