D38298.id116114.diff
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D38298.id116114.diff
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	diff --git a/sys/cddl/dev/dtrace/riscv/dtrace_asm.S b/sys/cddl/dev/dtrace/riscv/dtrace_asm.S
	--- a/sys/cddl/dev/dtrace/riscv/dtrace_asm.S
	+++ b/sys/cddl/dev/dtrace/riscv/dtrace_asm.S
	@@ -74,7 +74,9 @@
	dtrace_fuword8_nocheck(void *addr)
	*/
	ENTRY(dtrace_fuword8_nocheck)
	+ ENTER_USER_ACCESS(t0)
	lb a0, 0(a0)
	+ EXIT_USER_ACCESS(t0)
	RET
	END(dtrace_fuword8_nocheck)

	@@ -83,7 +85,9 @@
	dtrace_fuword16_nocheck(void *addr)
	*/
	ENTRY(dtrace_fuword16_nocheck)
	+ ENTER_USER_ACCESS(t0)
	lh a0, 0(a0)
	+ EXIT_USER_ACCESS(t0)
	RET
	END(dtrace_fuword16_nocheck)

	@@ -92,7 +96,9 @@
	dtrace_fuword32_nocheck(void *addr)
	*/
	ENTRY(dtrace_fuword32_nocheck)
	+ ENTER_USER_ACCESS(t0)
	lw a0, 0(a0)
	+ EXIT_USER_ACCESS(t0)
	RET
	END(dtrace_fuword32_nocheck)

	@@ -101,7 +107,9 @@
	dtrace_fuword64_nocheck(void *addr)
	*/
	ENTRY(dtrace_fuword64_nocheck)
	+ ENTER_USER_ACCESS(t0)
	ld a0, 0(a0)
	+ EXIT_USER_ACCESS(t0)
	RET
	END(dtrace_fuword64_nocheck)

	@@ -111,6 +119,7 @@
	*/
	ENTRY(dtrace_copy)
	beqz a2, 2f /* If len == 0 then skip loop */
	+ ENTER_USER_ACCESS(t0)
	1:
	lb a4, 0(a0) /* Load from uaddr */
	addi a0, a0, 1
	@@ -118,6 +127,7 @@
	addi a1, a1, 1
	addi a2, a2, -1 /* len-- */
	bnez a2, 1b
	+ EXIT_USER_ACCESS(t0)
	2:
	RET
	END(dtrace_copy)
	@@ -130,6 +140,7 @@
	*/
	ENTRY(dtrace_copystr)
	beqz a2, 2f /* If len == 0 then skip loop */
	+ ENTER_USER_ACCESS(t0)
	lb a4, 0(a0) /* Load from uaddr */
	addi a0, a0, 1
	sb a4, 0(a1) /* Store in kaddr */
	@@ -137,6 +148,7 @@
	beqz a4, 2f /* If == 0 then break */
	addi a2, a2, -1 /* len-- */
	bnez a2, 1b
	+ EXIT_USER_ACCESS(t0)
	2:
	RET
	END(dtrace_copystr)