enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/arch/x86/events/amd/core.c
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@@ -364,7 +364,7 @@
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 	/* pass precise event sampling to ibs: */
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 	if (event->attr.precise_ip && get_ibs_caps())
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-		return -ENOENT;
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+		return forward_event_to_ibs(event);
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 	if (has_branch_stack(event))
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 		return -EOPNOTSUPP;
..
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@@ -976,7 +976,7 @@
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 		 * numbered counter following it.
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 		 */
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 		for (i = 0; i < x86_pmu.num_counters - 1; i += 2)
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-			even_ctr_mask |= 1 << i;
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+			even_ctr_mask |= BIT_ULL(i);
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 		pair_constraint = (struct event_constraint)
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 				    __EVENT_CONSTRAINT(0, even_ctr_mask, 0,