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aux/cpuid: flush instruction cache of after patching trampoline

--- a/sys/src/cmd/aux/cpuid.c

+++ b/sys/src/cmd/aux/cpuid.c

@@ -244,6 +244,7 @@

 	case 0xeb010000:	/* 386 */

 		break;

 	}

+	segflush(_cpuid, sizeof(_cpuid));

 	Binit(&buf, 1, OWRITE);

 	out = &buf;

 	r = cpuid(0, 0);

-- 

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