riscv64: use evcount_percpu(9) for clock interrupts

[Jeremie Courreges-Anglas]

ok?


Index: clock.c
===================================================================
RCS file: /cvs/src/sys/arch/riscv64/riscv64/clock.c,v
retrieving revision 1.6
diff -u -p -r1.6 clock.c
--- clock.c     19 Nov 2022 16:02:37 -0000      1.6
+++ clock.c     30 Nov 2022 19:28:49 -0000
@@ -100,6 +100,7 @@ cpu_initclocks(void)
            clock_intr, NULL, NULL);
 
        evcount_attach(&clock_count, "clock", NULL);
+       evcount_percpu(&clock_count);
 
        cpu_startclock();
 }
@@ -136,7 +137,7 @@ clock_intr(void *frame)
        intr_disable();
        splx(s);
 
-       clock_count.ec_count++;
+       evcount_inc(&clock_count);
 
        return 0;
 }


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