diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2019-07-24 18:46:35 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-20 21:22:19 +1000 |
| commit | 31f210cf42d4b308eacef89b6cb0b1459338b8de (patch) | |
| tree | 023cb9597d5b128a96bb71219914e0885d9d5d17 /arch/powerpc/mm/book3s64 | |
| parent | 8f51e3929470942e6a8744061254fdeef646cd36 (diff) | |
powerpc/64s/radix: Fix memory hot-unplug page table split
create_physical_mapping expects physical addresses, but splitting
these mapping on hot unplug is supplying virtual (effective)
addresses.
Fixes: 4dd5f8a99e791 ("powerpc/mm/radix: Split linear mapping on hot-unplug")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190724084638.24982-2-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/mm/book3s64')
| -rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index c5cc16ab1954..2204d8eeb784 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -737,8 +737,8 @@ static int __meminit stop_machine_change_mapping(void *data) spin_unlock(&init_mm.page_table_lock); pte_clear(&init_mm, params->aligned_start, params->pte); - create_physical_mapping(params->aligned_start, params->start, -1); - create_physical_mapping(params->end, params->aligned_end, -1); + create_physical_mapping(__pa(params->aligned_start), __pa(params->start), -1); + create_physical_mapping(__pa(params->end), __pa(params->aligned_end), -1); spin_lock(&init_mm.page_table_lock); return 0; } |