This patch fixes the following kernel warning:
BUG: using smp_processor_id() in preemptible [00000000] code: scsi_eh_0/152
caller is debug_smp_processor_id+0x17/0x20
CPU: 1 PID: 152 Comm: scsi_eh_0 Tainted: G W 5.12.0-rc1-dbg+ #6
Call Trace:
show_stack+0x52/0x58
dump_stack+0xaf/0xf3
check_preemption_disabled+0xce/0xd0
debug_smp_processor_id+0x17/0x20
scsi_device_unbusy+0x13a/0x1c0 [scsi_mod]
scsi_finish_command+0x4d/0x290 [scsi_mod]
scsi_eh_flush_done_q+0x1e7/0x280 [scsi_mod]
ata_scsi_port_error_handler+0x592/0x750 [libata]
ata_scsi_error+0x1a0/0x1f0 [libata]
scsi_error_handler+0x19e/0x330 [scsi_mod]
kthread+0x222/0x250
ret_from_fork+0x1f/0x30
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxx>
Fixes: c548e62bcf6a ("scsi: sbitmap: Move allocation hint into sbitmap")
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
include/linux/sbitmap.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h
index 3087e1f15fdd..2713e689ad66 100644
--- a/include/linux/sbitmap.h
+++ b/include/linux/sbitmap.h
@@ -324,7 +324,7 @@ static inline void sbitmap_put(struct sbitmap *sb, unsigned int bitnr)
sbitmap_deferred_clear_bit(sb, bitnr);
if (likely(sb->alloc_hint && !sb->round_robin && bitnr < sb->depth))
- *this_cpu_ptr(sb->alloc_hint) = bitnr;
+ *raw_cpu_ptr(sb->alloc_hint) = bitnr;
}
static inline int sbitmap_test_bit(struct sbitmap *sb, unsigned int bitnr)
