From b59a9504cb93db7fae31e60760725d48652a1fc3 Mon Sep 17 00:00:00 2001 From: Thiemo Seufer Date: Sat, 4 Dec 2004 21:35:05 +0000 Subject: [PATCH] De-optimize and decomplicate the spurious interrupt handler. Signed-off-by: Thiemo Seufer Signed-off-by: Ralf Baechle --- arch/mips/kernel/entry.S | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 5eb429137e..5e9a441686 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -128,28 +128,25 @@ FEXPORT(syscall_exit_work) /* * Common spurious interrupt handler. */ - .text - .align 5 LEAF(spurious_interrupt) /* * Someone tried to fool us by sending an interrupt but we * couldn't find a cause for it. */ + PTR_LA t1, irq_err_count #ifdef CONFIG_SMP - lui t1, %hi(irq_err_count) -1: ll t0, %lo(irq_err_count)(t1) +1: ll t0, (t1) addiu t0, 1 - sc t0, %lo(irq_err_count)(t1) + sc t0, (t1) #if R10000_LLSC_WAR beqzl t0, 1b #else beqz t0, 1b #endif #else - lui t1, %hi(irq_err_count) - lw t0, %lo(irq_err_count)(t1) + lw t0, (t1) addiu t0, 1 - sw t0, %lo(irq_err_count)(t1) + sw t0, (t1) #endif j ret_from_irq END(spurious_interrupt) -- 2.39.5