diff options
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/entry_64.S | 16 | ||||
-rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 6 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_64.S | 5 | ||||
-rw-r--r-- | arch/powerpc/kernel/idle_book3e.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/idle_power4.S | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/irq.c | 9 | ||||
-rw-r--r-- | arch/powerpc/kernel/process.c | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup_64.c | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/time.c | 2 |
9 files changed, 29 insertions, 21 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 371c05fe250a..f8b32224dc11 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -130,7 +130,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) */ #if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_BUG) lbz r10,PACASOFTIRQEN(r13) - xori r10,r10,1 + xori r10,r10,IRQS_ENABLED 1: tdnei r10,0 EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING #endif @@ -147,7 +147,7 @@ system_call: /* label this so stack traces look sane */ /* We do need to set SOFTE in the stack frame or the return * from interrupt will be painful */ - li r10,1 + li r10,IRQS_ENABLED std r10,SOFTE(r1) CURRENT_THREAD_INFO(r11, r1) @@ -743,7 +743,7 @@ resume_kernel: lwz r8,TI_PREEMPT(r9) cmpwi cr1,r8,0 ld r0,SOFTE(r1) - cmpdi r0,0 + cmpdi r0,IRQS_DISABLED crandc eq,cr1*4+eq,eq bne restore @@ -783,11 +783,11 @@ restore: */ ld r5,SOFTE(r1) lbz r6,PACASOFTIRQEN(r13) - cmpwi cr0,r5,0 + cmpwi cr0,r5,IRQS_DISABLED beq .Lrestore_irq_off /* We are enabling, were we already enabled ? Yes, just return */ - cmpwi cr0,r6,1 + cmpwi cr0,r6,IRQS_ENABLED beq cr0,.Ldo_restore /* @@ -806,7 +806,7 @@ restore: */ .Lrestore_no_replay: TRACE_ENABLE_INTS - li r0,1 + li r0,IRQS_ENABLED stb r0,PACASOFTIRQEN(r13); /* @@ -915,7 +915,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) #if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_BUG) /* The interrupt should not have soft enabled. */ lbz r7,PACASOFTIRQEN(r13) -1: tdnei r7,0 +1: tdnei r7,IRQS_DISABLED EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING #endif b .Ldo_restore @@ -1036,7 +1036,7 @@ _GLOBAL(enter_rtas) * check it with the asm equivalent of WARN_ON */ lbz r0,PACASOFTIRQEN(r13) -1: tdnei r0,0 +1: tdnei r0,IRQS_DISABLED EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING #endif diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index acd8ca76233e..80cc91bbcf1a 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -210,9 +210,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV) ld r5,SOFTE(r1) /* Interrupts had better not already be enabled... */ - twnei r6,0 + twnei r6,IRQS_DISABLED - cmpwi cr0,r5,0 + cmpwi cr0,r5,IRQS_DISABLED beq 1f TRACE_ENABLE_INTS @@ -352,7 +352,7 @@ ret_from_mc_except: #define PROLOG_ADDITION_MASKABLE_GEN(n) \ lbz r10,PACASOFTIRQEN(r13); /* are irqs soft-disabled ? */ \ - cmpwi cr0,r10,0; /* yes -> go out of line */ \ + cmpwi cr0,r10,IRQS_DISABLED; /* yes -> go out of line */ \ beq masked_interrupt_book3e_##n #define PROLOG_ADDITION_2REGS_GEN(n) \ diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index aa71a90f5222..0deef350004f 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -765,7 +765,7 @@ _GLOBAL(pmac_secondary_start) /* Mark interrupts soft and hard disabled (they might be enabled * in the PACA when doing hotplug) */ - li r0,0 + li r0,IRQS_DISABLED stb r0,PACASOFTIRQEN(r13) li r0,PACA_IRQ_HARD_DIS stb r0,PACAIRQHAPPENED(r13) @@ -822,6 +822,7 @@ __secondary_start: /* Mark interrupts soft and hard disabled (they might be enabled * in the PACA when doing hotplug) */ + li r7,IRQS_DISABLED stb r7,PACASOFTIRQEN(r13) li r0,PACA_IRQ_HARD_DIS stb r0,PACAIRQHAPPENED(r13) @@ -988,7 +989,7 @@ start_here_common: /* Mark interrupts soft and hard disabled (they might be enabled * in the PACA when doing hotplug) */ - li r0,0 + li r0,IRQS_DISABLED stb r0,PACASOFTIRQEN(r13) li r0,PACA_IRQ_HARD_DIS stb r0,PACAIRQHAPPENED(r13) diff --git a/arch/powerpc/kernel/idle_book3e.S b/arch/powerpc/kernel/idle_book3e.S index 48c21acef915..1bb1d152aa46 100644 --- a/arch/powerpc/kernel/idle_book3e.S +++ b/arch/powerpc/kernel/idle_book3e.S @@ -17,6 +17,7 @@ #include <asm/processor.h> #include <asm/thread_info.h> #include <asm/epapr_hcalls.h> +#include <asm/hw_irq.h> /* 64-bit version only for now */ #ifdef CONFIG_PPC64 @@ -46,7 +47,7 @@ _GLOBAL(\name) bl trace_hardirqs_on addi r1,r1,128 #endif - li r0,1 + li r0,IRQS_ENABLED stb r0,PACASOFTIRQEN(r13) /* Interrupts will make use return to LR, so get something we want diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index f57a19348bdd..8b4702d93701 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -15,6 +15,7 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> #include <asm/irqflags.h> +#include <asm/hw_irq.h> #undef DEBUG @@ -53,7 +54,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP) mfmsr r7 #endif /* CONFIG_TRACE_IRQFLAGS */ - li r0,1 + li r0,IRQS_ENABLED stb r0,PACASOFTIRQEN(r13) /* we'll hard-enable shortly */ BEGIN_FTR_SECTION DSSALL diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index b7a84522e652..483a9206554f 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -67,6 +67,7 @@ #include <asm/smp.h> #include <asm/livepatch.h> #include <asm/asm-prototypes.h> +#include <asm/hw_irq.h> #ifdef CONFIG_PPC64 #include <asm/paca.h> @@ -231,7 +232,7 @@ notrace void arch_local_irq_restore(unsigned long en) /* Write the new soft-enabled value */ set_soft_enabled(en); - if (!en) + if (en == IRQS_DISABLED) return; /* * From this point onward, we can take interrupts, preempt, @@ -276,7 +277,7 @@ notrace void arch_local_irq_restore(unsigned long en) } #endif /* CONFIG_TRACE_IRQFLAGS */ - set_soft_enabled(0); + set_soft_enabled(IRQS_DISABLED); trace_hardirqs_off(); /* @@ -288,7 +289,7 @@ notrace void arch_local_irq_restore(unsigned long en) /* We can soft-enable now */ trace_hardirqs_on(); - set_soft_enabled(1); + set_soft_enabled(IRQS_ENABLED); /* * And replay if we have to. This will return with interrupts @@ -363,7 +364,7 @@ bool prep_irq_for_idle(void) * of entering the low power state. */ local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS; - local_paca->soft_enabled = 1; + local_paca->soft_enabled = IRQS_ENABLED; /* Tell the caller to enter the low power state */ return true; diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index bcd4441304a5..1563d1190da3 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -57,6 +57,7 @@ #include <asm/debug.h> #ifdef CONFIG_PPC64 #include <asm/firmware.h> +#include <asm/hw_irq.h> #endif #include <asm/code-patching.h> #include <asm/exec.h> @@ -1674,7 +1675,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, childregs->gpr[14] = ppc_function_entry((void *)usp); #ifdef CONFIG_PPC64 clear_tsk_thread_flag(p, TIF_32BIT); - childregs->softe = 1; + childregs->softe = IRQS_ENABLED; #endif childregs->gpr[15] = kthread_arg; p->thread.regs = NULL; /* no user register state */ diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 8f285d6a3db1..2fd4e167ef09 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -66,6 +66,7 @@ #include <asm/livepatch.h> #include <asm/opal.h> #include <asm/cputhreads.h> +#include <asm/hw_irq.h> #include "setup.h" @@ -187,6 +188,8 @@ static void __init fixup_boot_paca(void) get_paca()->cpu_start = 1; /* Allow percpu accesses to work until we setup percpu data */ get_paca()->data_offset = 0; + /* Mark interrupts disabled in PACA */ + get_paca()->soft_enabled = IRQS_DISABLED; } static void __init configure_exceptions(void) diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index fe6f3a285455..070092b1ba8a 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -253,7 +253,7 @@ void accumulate_stolen_time(void) * needs to reflect that so various debug stuff doesn't * complain */ - local_paca->soft_enabled = 0; + local_paca->soft_enabled = IRQS_DISABLED; sst = scan_dispatch_log(acct->starttime_user); ust = scan_dispatch_log(acct->starttime); |