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IB/mthca: Use bitmap_set() when applicable

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The 'alloc->table' bitmap has just been allocated, so this is safe to use
the faster and non-atomic 'bitmap_set()' function. There is no need to
hand-write it.

Link: https://lore.kernel.org/r/f1bd33f6ea6c8ad519a222db6e9aa17c55610557.1637785902.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Christophe JAILLET 2021-11-24 21:41:36 +01:00 committed by Jason Gunthorpe
parent 12d1e2f3c5
commit a277f38321
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/hw/mthca/mthca_allocator.c
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@ -79,8 +79,6 @@ void mthca_free(struct mthca_alloc *alloc, u32 obj)
int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
u32 reserved)
{
int i;
/* num must be a power of 2 */
if (num != 1 << (ffs(num) - 1))
return -EINVAL;
@ -94,8 +92,7 @@ int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
if (!alloc->table)
return -ENOMEM;
for (i = 0; i < reserved; ++i)
set_bit(i, alloc->table);
bitmap_set(alloc->table, 0, reserved);
return 0;
}