ARC: entry: comment

vineetgarc · vineetgarc · commit 49b41356f74b · 2020-04-12T22:45:35.000-07:00
Signed-off-by: Vineet Gupta &lt;vgupta@synopsys.com&gt;
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
@@ -233,6 +233,8 @@
 
 #ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
 	__RESTORE_REGFILE_HARD
+
+	; SP points to PC/STAT32: hw restores them despite NO_AUTOSAVE
 	add	sp, sp, SZ_PT_REGS - 8
 #else
 	add	sp, sp, PT_r0
