diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/sn/kernel/xpc.h | 1 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/xpc_main.c | 87 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/xpc_partition.c | 3 |
3 files changed, 68 insertions, 23 deletions
diff --git a/arch/ia64/sn/kernel/xpc.h b/arch/ia64/sn/kernel/xpc.h index 66b17b6..82e7430 100644 --- a/arch/ia64/sn/kernel/xpc.h +++ b/arch/ia64/sn/kernel/xpc.h @@ -663,6 +663,7 @@ extern struct xpc_registration xpc_registrations[]; extern struct device *xpc_part; extern struct device *xpc_chan; extern int xpc_disengage_request_timelimit; +extern int xpc_disengage_request_timedout; extern irqreturn_t xpc_notify_IRQ_handler(int, void *, struct pt_regs *); extern void xpc_dropped_IPI_check(struct xpc_partition *); extern void xpc_activate_partition(struct xpc_partition *); diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 6708ef6..948206b 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -162,6 +162,8 @@ static ctl_table xpc_sys_dir[] = { }; static struct ctl_table_header *xpc_sysctl; +/* non-zero if any remote partition disengage request was timed out */ +int xpc_disengage_request_timedout; /* #of IRQs received */ static atomic_t xpc_act_IRQ_rcvd; @@ -921,9 +923,9 @@ static void xpc_do_exit(enum xpc_retval reason) { partid_t partid; - int active_part_count; + int active_part_count, printed_waiting_msg = 0; struct xpc_partition *part; - unsigned long printmsg_time; + unsigned long printmsg_time, disengage_request_timeout = 0; /* a 'rmmod XPC' and a 'reboot' cannot both end up here together */ @@ -953,7 +955,8 @@ xpc_do_exit(enum xpc_retval reason) /* wait for all partitions to become inactive */ - printmsg_time = jiffies; + printmsg_time = jiffies + (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ); + xpc_disengage_request_timedout = 0; do { active_part_count = 0; @@ -969,20 +972,39 @@ xpc_do_exit(enum xpc_retval reason) active_part_count++; XPC_DEACTIVATE_PARTITION(part, reason); - } - if (active_part_count == 0) { - break; + if (part->disengage_request_timeout > + disengage_request_timeout) { + disengage_request_timeout = + part->disengage_request_timeout; + } } - if (jiffies >= printmsg_time) { - dev_info(xpc_part, "waiting for partitions to " - "deactivate/disengage, active count=%d, remote " - "engaged=0x%lx\n", active_part_count, - xpc_partition_engaged(1UL << partid)); - - printmsg_time = jiffies + + if (xpc_partition_engaged(-1UL)) { + if (time_after(jiffies, printmsg_time)) { + dev_info(xpc_part, "waiting for remote " + "partitions to disengage, timeout in " + "%ld seconds\n", + (disengage_request_timeout - jiffies) + / HZ); + printmsg_time = jiffies + (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ); + printed_waiting_msg = 1; + } + + } else if (active_part_count > 0) { + if (printed_waiting_msg) { + dev_info(xpc_part, "waiting for local partition" + " to disengage\n"); + printed_waiting_msg = 0; + } + + } else { + if (!xpc_disengage_request_timedout) { + dev_info(xpc_part, "all partitions have " + "disengaged\n"); + } + break; } /* sleep for a 1/3 of a second or so */ @@ -1028,7 +1050,7 @@ xpc_die_disengage(void) struct xpc_partition *part; partid_t partid; unsigned long engaged; - long time, print_time, disengage_request_timeout; + long time, printmsg_time, disengage_request_timeout; /* keep xpc_hb_checker thread from doing anything (just in case) */ @@ -1055,24 +1077,43 @@ xpc_die_disengage(void) } } - print_time = rtc_time(); - disengage_request_timeout = print_time + + time = rtc_time(); + printmsg_time = time + + (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second); + disengage_request_timeout = time + (xpc_disengage_request_timelimit * sn_rtc_cycles_per_second); /* wait for all other partitions to disengage from us */ - while ((engaged = xpc_partition_engaged(-1UL)) && - (time = rtc_time()) < disengage_request_timeout) { + while (1) { + engaged = xpc_partition_engaged(-1UL); + if (!engaged) { + dev_info(xpc_part, "all partitions have disengaged\n"); + break; + } - if (time >= print_time) { + time = rtc_time(); + if (time >= disengage_request_timeout) { + for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) { + if (engaged & (1UL << partid)) { + dev_info(xpc_part, "disengage from " + "remote partition %d timed " + "out\n", partid); + } + } + break; + } + + if (time >= printmsg_time) { dev_info(xpc_part, "waiting for remote partitions to " - "disengage, engaged=0x%lx\n", engaged); - print_time = time + (XPC_DISENGAGE_PRINTMSG_INTERVAL * + "disengage, timeout in %ld seconds\n", + (disengage_request_timeout - time) / + sn_rtc_cycles_per_second); + printmsg_time = time + + (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second); } } - dev_info(xpc_part, "finished waiting for remote partitions to " - "disengage, engaged=0x%lx\n", engaged); } diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c index cf02a9b..6bc0409 100644 --- a/arch/ia64/sn/kernel/xpc_partition.c +++ b/arch/ia64/sn/kernel/xpc_partition.c @@ -874,6 +874,9 @@ xpc_partition_disengaged(struct xpc_partition *part) * request in a timely fashion, so assume it's dead. */ + dev_info(xpc_part, "disengage from remote partition %d " + "timed out\n", partid); + xpc_disengage_request_timedout = 1; xpc_clear_partition_engaged(1UL << partid); disengaged = 1; } |
