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SubjectRe: [PATCH 0/5] x86: another attempt at x86 pagetable unification
Ingo Molnar wrote:
> * Jeremy Fitzhardinge <> wrote:
>> Here's another round of the pagetable unification patches. I've done
>> a few dozen rounds of randconfig builds on both 32- and 64-bit, so I
>> hope that will prevent compile problems in your test environment.
>> I've also boot-tested 64-bit and 32-bit PAE/non-PAE configs (both
>> paravirt and non-paravirt).
> i've done a dozen random tests too and it's looking good so far. Nice
> work!
> pgtable_32.h and pgtable_64.h still look a tiny bit messy from the
> include file dependencies POV. For example pgtable_32.h:
> #include <asm/processor.h>
> #include <asm/fixmap.h>
> #include <linux/threads.h>
> #include <asm/paravirt.h>
> #include <linux/bitops.h>
> #include <linux/slab.h>
> #include <linux/list.h>
> #include <linux/spinlock.h>
> that asm/paravirt.h include is already present in pgtable.h, in a
> somewhat quirky way:
> #include <asm/paravirt.h>
> #else /* !CONFIG_PARAVIRT */
> also, most of the:
> scripts/ --file include/asm-x86/pgtable*.h
> complaints are real ones and should be fixed.
> would you be interested in cleaning up that stuff once and forever? It
> would be a fine approach if you just tried to quickly push for a "high
> quality" end result in a series of patches and sent that series to me,
> without having tested it fully through - i can figure out whatever build
> breakages and dependencies there still are. So there would be no
> expectation of getting such a cleanup series right in the first (or
> second, or third) attempt, this is spaghetti code that has been
> accumulated up for years. The important thing would be to be careful to
> not introduce runtime breakages accidentally - build breakages due to
> some include file dependency we can sort out just fine. Hm?

Yep, I'm happy to do a cleanup pass. I just wanted to get this out the
door while it seemed to work for me. But I'll fix the bug first.


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