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Revert "powerpc/64: Disable use of radix under a hypervisor"

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This reverts commit 3f91a89d42.

Now that we do have the machinery for using the radix MMU under a
hypervisor, the extra check and comment introduced in 3f91a89d42 are
no longer correct.  The result is that when booted under a hypervisor
that only allows use of radix, we clear the MMU_FTR_TYPE_RADIX and
then set it again, and print a warning about ignoring the
disable_radix command line option, even though the command line does
not include "disable_radix".

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Paul Mackerras 2017-03-21 12:38:02 +11:00 committed by Michael Ellerman
parent 6d98ce0be5
commit fc36a90326
1 changed files with 1 additions and 2 deletions
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3
arch/powerpc/mm/init_64.c
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@ -397,8 +397,7 @@ static void early_check_vec5(void)
void __init mmu_early_init_devtree(void)
{
/* Disable radix mode based on kernel command line. */
/* We don't yet have the machinery to do radix as a guest. */
if (disable_radix || !(mfmsr() & MSR_HV))
if (disable_radix)
cur_cpu_spec->mmu_features &= ~MMU_FTR_TYPE_RADIX;
/*