D30508.diff
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	diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c
	--- a/sys/arm64/linux/linux_machdep.c
	+++ b/sys/arm64/linux/linux_machdep.c
	@@ -55,7 +55,6 @@
	LIN_SDT_PROBE_DEFINE0(machdep, linux_mmap2, todo);
	LIN_SDT_PROBE_DEFINE0(machdep, linux_rt_sigsuspend, todo);
	LIN_SDT_PROBE_DEFINE0(machdep, linux_sigaltstack, todo);
	-LIN_SDT_PROBE_DEFINE0(machdep, linux_set_cloned_tls, todo);

	/*
	* LINUXTODO: deduplicate; linux_execve is common across archs, except that on
	@@ -141,11 +140,12 @@
	return (EDOOFUS);
	}

	-/* LINUXTODO: implement arm64 linux_set_cloned_tls */
	int
	linux_set_cloned_tls(struct thread td, void desc)
	{

	- LIN_SDT_PROBE0(machdep, linux_set_cloned_tls, todo);
	- return (EDOOFUS);
	+ if ((uint64_t)desc >= VM_MAXUSER_ADDRESS)
	+ return (EPERM);
	+
	+ return (cpu_set_user_tls(td, desc));
	}