Lines Matching +full:wait +full:- +full:retry +full:- +full:us

1 // SPDX-License-Identifier: GPL-2.0
17 #include <asm/r4k-timer.h>
35  * we want to have the fastest, inlined, non-debug version
36  * of a critical section, to be able to prove counter time-warps:
82 		 * we saw a time-warp of the counter going backwards:  in check_counter_warp()
86 			max_warp = max(max_warp, prev - now);  in check_counter_warp()
99 	WARN(!(now-start),  in check_counter_warp()
101 			now-start, end-start);  in check_counter_warp()
114 retry:  in check_counter_sync_source()
115 	/* Wait for the target to start. */  in check_counter_sync_source()
116 	while (atomic_read(&start_count) != cpus - 1)  in check_counter_sync_source()
126 	while (atomic_read(&stop_count) != cpus-1)  in check_counter_sync_source()
132 	 * retry. In case of random warps no retry is attempted.  in check_counter_sync_source()
137 		pr_info("Counter synchronization [CPU#%d -> CPU#%u]: passed\n",  in check_counter_sync_source()
140 		/* Force it to 0 if random warps brought us here */  in check_counter_sync_source()
143 		pr_info("Counter synchronization [CPU#%d -> CPU#%u]:\n",  in check_counter_sync_source()
151 	 * Reset it - just in case we boot another CPU later:  in check_counter_sync_source()
165 	 * Retry, if there is a chance to do so.  in check_counter_sync_source()
168 		goto retry;  in check_counter_sync_source()
186 retry:  in synchronise_count_slave()
188 	 * Register this CPU's participation and wait for the  in synchronise_count_slave()
198 	 * Store the maximum observed warp value for a potential retry:  in synchronise_count_slave()
208 	 * Wait for the source CPU to print stuff:  in synchronise_count_slave()
220 	 * failed and a retry with adjusted counter is possible. If zero the  in synchronise_count_slave()
235 		cur_max_warp = -gbl_max_warp;  in synchronise_count_slave()
243 	goto retry;  in synchronise_count_slave()