sh: Delete unnecessary mov in the interrupt exception entry point. (bd40e813) · Commits · 戴 / test

The INTEVT read at interrupt exception entry is uneccessary, as the read is deferred until we are ready to enter do_IRQ(). The kgdb nmi path still requires it, so move it there. Signed-off-by:

Aoi Shinkai <shinkoi2005@gmail.com> Signed-off-by:

Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/cpu/sh3/entry.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -376,9 +376,9 @@ tlb_miss:
		!
		.balign 512,0,512
		interrupt:
		mov.l 2f, k2
		mov.l 3f, k3
		#if defined(CONFIG_KGDB_NMI)
		mov.l 2f, k2
		! Debounce (filter nested NMI)
		mov.l @k2, k0
		mov.l 5f, k1
		@@ -390,6 +390,7 @@ interrupt:
		rte
		nop
		.align 2
		2: .long INTEVT
		5: .long NMI_VEC
		6: .long in_nmi
		0:
		@@ -399,7 +400,6 @@ interrupt:

		.align 2
		1: .long EXPEVT
		2: .long INTEVT
		3: .long ret_from_irq
		4: .long ret_from_exception

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