Commit 4d6942e2 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Martin K. Petersen
Browse files

scsi: hisi_sas: Use non-atomic bitmap functions when possible 

All uses of the 'hisi_hba->slot_index_tags' bitmap are protected with the
'hisi_hba->lock' spinlock.

Prefer the non-atomic '__[set|clear]_bit()' functions to save a few cycles.

Link: https://lore.kernel.org/r/8ee33e463523db080e6a2c06f332e47abb69359b.1637961191.git.christophe.jaillet@wanadoo.fr


Acked-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent d43efddf

drivers/scsi/hisi_sas/hisi_sas_main.c

+2 −2
Original line number Diff line number Diff line
@@ -158,7 +158,7 @@ static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx) 
{

	void *bitmap = hisi_hba->slot_index_tags;



	clear_bit(slot_idx, bitmap);

	__clear_bit(slot_idx, bitmap);

}



static void hisi_sas_slot_index_free(struct hisi_hba *hisi_hba, int slot_idx)
@@ -175,7 +175,7 @@ static void hisi_sas_slot_index_set(struct hisi_hba *hisi_hba, int slot_idx) 
{

	void *bitmap = hisi_hba->slot_index_tags;



	set_bit(slot_idx, bitmap);

	__set_bit(slot_idx, bitmap);

}



static int hisi_sas_slot_index_alloc(struct hisi_hba *hisi_hba,