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ARC: entry: comment
authorVineet Gupta <vgupta@synopsys.com>
Fri, 10 Apr 2020 21:22:05 +0000 (14:22 -0700)
committerVineet Gupta <vgupta@synopsys.com>
Mon, 13 Apr 2020 05:45:35 +0000 (22:45 -0700)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/include/asm/entry-arcv2.h patch | blob | history

diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index ae0aa53..0ff4c06 100644 (file)
--- 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
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