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scsi: mvsas: Enable lock context analysis

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Document locking requirements with __must_hold(). Annotate functions
that perform conditional locking with __context_unsafe().

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/208203a820c27927c13b906fd69620de0f136502.1790360262.git.bvanassche@acm.org
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
This commit is contained in:
Bart Van Assche 2026-09-25 11:26:19 -07:00 committed by Martin K. Petersen (Oracle)
parent 8d3d0e8d26
commit 53812028f8
2 changed files with 9 additions and 0 deletions
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2
drivers/scsi/mvsas/Makefile
View File

@ -7,6 +7,8 @@
# Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
#
CONTEXT_ANALYSIS := y
ccflags-$(CONFIG_SCSI_MVSAS_DEBUG) := -DMV_DEBUG
obj-$(CONFIG_SCSI_MVSAS) += mvsas.o

7
drivers/scsi/mvsas/mv_sas.c
View File

@ -1055,6 +1055,7 @@ void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st)
}
static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock)
__context_unsafe(/*conditional locking*/)
{
struct sas_ha_struct *sas_ha = sas_phy->ha;
struct mvs_info *mvi = NULL; int i = 0, hi;
@ -1153,6 +1154,7 @@ static void mvs_free_dev(struct mvs_device *mvi_dev)
}
static int mvs_dev_found_notify(struct domain_device *dev, int lock)
__context_unsafe(/*conditional locking*/)
{
unsigned long flags = 0;
int res = 0;
@ -1517,6 +1519,7 @@ static int mvs_slot_err(struct mvs_info *mvi, struct sas_task *task,
}
int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
__must_hold(&mvi->lock)
{
u32 slot_idx = rx_desc & RXQ_SLOT_MASK;
struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
@ -1644,6 +1647,7 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
void mvs_do_release_task(struct mvs_info *mvi,
int phy_no, struct domain_device *dev)
__must_hold(&mvi->lock)
{
u32 slot_idx;
struct mvs_phy *phy;
@ -1677,6 +1681,7 @@ void mvs_do_release_task(struct mvs_info *mvi,
void mvs_release_task(struct mvs_info *mvi,
struct domain_device *dev)
__must_hold(&mvi->lock)
{
int i, phyno[WIDE_PORT_MAX_PHY], num;
num = mvs_find_dev_phyno(dev, phyno);
@ -1769,6 +1774,7 @@ static void mvs_sig_time_out(struct timer_list *t)
}
void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events)
__must_hold(&mvi->lock)
{
u32 tmp;
struct mvs_phy *phy = &mvi->phy[phy_no];
@ -1862,6 +1868,7 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events)
}
int mvs_int_rx(struct mvs_info *mvi, bool self_clear)
__must_hold(&mvi->lock)
{
u32 rx_prod_idx, rx_desc;
bool attn = false;