The stress_hpt memblock allocation did not pass in an alignment,
which causes a stack dump in early boot (that I missed, oops).
Fixes: 6b34a099faa1 ("powerpc/64s/hash: add stress_hpt kernel boot option to
increase hash faults")
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
arch/powerpc/mm/book3s64/hash_utils.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c
b/arch/powerpc/mm/book3s64/hash_utils.c
index 80a148c57de8..fa1c148e1f50 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -1051,7 +1051,8 @@ static void __init htab_initialize(void)
static_branch_enable(&stress_hpt_key);
// Too early to use nr_cpu_ids, so use NR_CPUS
tmp = memblock_phys_alloc_range(sizeof(struct
stress_hpt_struct) * NR_CPUS,
- 0, 0, MEMBLOCK_ALLOC_ANYWHERE);
+ __alignof__(struct
stress_hpt_struct),
+ 0, MEMBLOCK_ALLOC_ANYWHERE);
memset((void *)tmp, 0xff, sizeof(struct stress_hpt_struct) *
NR_CPUS);
stress_hpt_struct = __va(tmp);
--
2.37.2
