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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
| commit | cbd32a1c56e36fedaa93a727699188bd3e6e6f67 (patch) | |
| tree | 199e302eb5a66725a9d1774e47367a87098ba397 /lib/test_xarray.c | |
| parent | 48c7d73b2362ce61503551ad70052617b3e8857d (diff) | |
| parent | b61fbc887af7a13a1c90c84c1feaeb4c9780e1e2 (diff) | |
Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull a single EFI fix for v5.3 from Ard:
- Fix mixed mode breakage in EFI config table handling for TPM.
Diffstat (limited to 'lib/test_xarray.c')
| -rw-r--r-- | lib/test_xarray.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/test_xarray.c b/lib/test_xarray.c index 5d4bad8bd96a..9d631a7b6a70 100644 --- a/lib/test_xarray.c +++ b/lib/test_xarray.c @@ -38,6 +38,12 @@ static void *xa_store_index(struct xarray *xa, unsigned long index, gfp_t gfp) return xa_store(xa, index, xa_mk_index(index), gfp); } +static void xa_insert_index(struct xarray *xa, unsigned long index) +{ + XA_BUG_ON(xa, xa_insert(xa, index, xa_mk_index(index), + GFP_KERNEL) != 0); +} + static void xa_alloc_index(struct xarray *xa, unsigned long index, gfp_t gfp) { u32 id; @@ -338,6 +344,37 @@ static noinline void check_xa_shrink(struct xarray *xa) } } +static noinline void check_insert(struct xarray *xa) +{ + unsigned long i; + + for (i = 0; i < 1024; i++) { + xa_insert_index(xa, i); + XA_BUG_ON(xa, xa_load(xa, i - 1) != NULL); + XA_BUG_ON(xa, xa_load(xa, i + 1) != NULL); + xa_erase_index(xa, i); + } + + for (i = 10; i < BITS_PER_LONG; i++) { + xa_insert_index(xa, 1UL << i); + XA_BUG_ON(xa, xa_load(xa, (1UL << i) - 1) != NULL); + XA_BUG_ON(xa, xa_load(xa, (1UL << i) + 1) != NULL); + xa_erase_index(xa, 1UL << i); + + xa_insert_index(xa, (1UL << i) - 1); + XA_BUG_ON(xa, xa_load(xa, (1UL << i) - 2) != NULL); + XA_BUG_ON(xa, xa_load(xa, 1UL << i) != NULL); + xa_erase_index(xa, (1UL << i) - 1); + } + + xa_insert_index(xa, ~0UL); + XA_BUG_ON(xa, xa_load(xa, 0UL) != NULL); + XA_BUG_ON(xa, xa_load(xa, ~1UL) != NULL); + xa_erase_index(xa, ~0UL); + + XA_BUG_ON(xa, !xa_empty(xa)); +} + static noinline void check_cmpxchg(struct xarray *xa) { void *FIVE = xa_mk_value(5); @@ -1527,6 +1564,7 @@ static int xarray_checks(void) check_xa_mark(&array); check_xa_shrink(&array); check_xas_erase(&array); + check_insert(&array); check_cmpxchg(&array); check_reserve(&array); check_reserve(&xa0); |