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powerpc/mm: Split mmu_context handling

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This splits the mmu_context handling between 32-bit hash based
processors, 64-bit hash based processors and everybody else.  This is
preliminary work for adding SMP support for BookE processors.

Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Acked-by: Kumar Gala <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2008-12-18 19:13:24 +00:00 • committed by Paul Mackerras
commit 5e696617c4
13 changed files with 337 additions and 321 deletions
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4
drivers/macintosh/via-pmu.c
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@ -1814,7 +1814,7 @@ static int powerbook_sleep_grackle(void)
_set_L2CR(save_l2cr);
/* Restore userland MMU context */
set_context(current->active_mm->context.id, current->active_mm->pgd);
switch_mmu_context(NULL, current->active_mm);
/* Power things up */
pmu_unlock();
@ -1903,7 +1903,7 @@ powerbook_sleep_Core99(void)
_set_L3CR(save_l3cr);
/* Restore userland MMU context */
set_context(current->active_mm->context.id, current->active_mm->pgd);
switch_mmu_context(NULL, current->active_mm);
/* Tell PMU we are ready */
pmu_unlock();