diff options
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/crash.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 39 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 110 | ||||
| -rw-r--r-- | arch/powerpc/kernel/idle_power4.S | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/ksyms.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/misc.S | 35 | ||||
| -rw-r--r-- | include/asm-powerpc/hw_irq.h | 31 | ||||
| -rw-r--r-- | include/asm-powerpc/paca.h | 3 |
12 files changed, 160 insertions, 111 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index d06f378597bb..e96521530d21 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -118,7 +118,8 @@ int main(void) DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr)); DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1)); DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc)); - DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled)); + DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled)); + DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled)); DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 1af41f7616dc..89b03c8da9d2 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -111,7 +111,7 @@ void crash_ipi_callback(struct pt_regs *regs) if (!cpu_online(cpu)) return; - local_irq_disable(); + hard_irq_disable(); if (!cpu_isset(cpu, cpus_in_crash)) crash_save_this_cpu(regs, cpu); cpu_set(cpu, cpus_in_crash); @@ -289,7 +289,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) * an SMP system. * The kernel is broken so disable interrupts. */ - local_irq_disable(); + hard_irq_disable(); for_each_irq(irq) { struct irq_desc *desc = irq_desc + irq; diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 748e74fcf541..efda48741b29 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -87,6 +87,10 @@ system_call_common: addi r9,r1,STACK_FRAME_OVERHEAD ld r11,exception_marker@toc(r2) std r11,-16(r9) /* "regshere" marker */ + li r10,1 + stb r10,PACASOFTIRQEN(r13) + stb r10,PACAHARDIRQEN(r13) + std r10,SOFTE(r1) #ifdef CONFIG_PPC_ISERIES BEGIN_FW_FTR_SECTION /* Hack for handling interrupts when soft-enabling on iSeries */ @@ -94,8 +98,6 @@ BEGIN_FW_FTR_SECTION andi. r10,r12,MSR_PR /* from kernel */ crand 4*cr0+eq,4*cr1+eq,4*cr0+eq beq hardware_interrupt_entry - lbz r10,PACAPROCENABLED(r13) - std r10,SOFTE(r1) END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) #endif mfmsr r11 @@ -460,9 +462,9 @@ _GLOBAL(ret_from_except_lite) #endif restore: + ld r5,SOFTE(r1) #ifdef CONFIG_PPC_ISERIES BEGIN_FW_FTR_SECTION - ld r5,SOFTE(r1) cmpdi 0,r5,0 beq 4f /* Check for pending interrupts (iSeries) */ @@ -472,16 +474,16 @@ BEGIN_FW_FTR_SECTION beq+ 4f /* skip do_IRQ if no interrupts */ li r3,0 - stb r3,PACAPROCENABLED(r13) /* ensure we are soft-disabled */ + stb r3,PACASOFTIRQEN(r13) /* ensure we are soft-disabled */ ori r10,r10,MSR_EE mtmsrd r10 /* hard-enable again */ addi r3,r1,STACK_FRAME_OVERHEAD bl .do_IRQ b .ret_from_except_lite /* loop back and handle more */ - -4: stb r5,PACAPROCENABLED(r13) +4: END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) #endif + stb r5,PACASOFTIRQEN(r13) ld r3,_MSR(r1) andi. r0,r3,MSR_RI @@ -538,25 +540,15 @@ do_work: /* Check that preempt_count() == 0 and interrupts are enabled */ lwz r8,TI_PREEMPT(r9) cmpwi cr1,r8,0 -#ifdef CONFIG_PPC_ISERIES -BEGIN_FW_FTR_SECTION ld r0,SOFTE(r1) cmpdi r0,0 -END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) -#endif -BEGIN_FW_FTR_SECTION - andi. r0,r3,MSR_EE -END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) crandc eq,cr1*4+eq,eq bne restore /* here we are preempting the current task */ 1: -#ifdef CONFIG_PPC_ISERIES -BEGIN_FW_FTR_SECTION li r0,1 - stb r0,PACAPROCENABLED(r13) -END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) -#endif + stb r0,PACASOFTIRQEN(r13) + stb r0,PACAHARDIRQEN(r13) ori r10,r10,MSR_EE mtmsrd r10,1 /* reenable interrupts */ bl .preempt_schedule @@ -639,8 +631,7 @@ _GLOBAL(enter_rtas) /* There is no way it is acceptable to get here with interrupts enabled, * check it with the asm equivalent of WARN_ON */ - mfmsr r6 - andi. r0,r6,MSR_EE + lbz r0,PACASOFTIRQEN(r13) 1: tdnei r0,0 .section __bug_table,"a" .llong 1b,__LINE__ + 0x1000000, 1f, 2f @@ -649,7 +640,13 @@ _GLOBAL(enter_rtas) 1: .asciz __FILE__ 2: .asciz "enter_rtas" .previous - + + /* Hard-disable interrupts */ + mfmsr r6 + rldicl r7,r6,48,1 + rotldi r7,r7,16 + mtmsrd r7,1 + /* Unfortunately, the stack pointer and the MSR are also clobbered, * so they are saved in the PACA which allows us to restore * our original state after RTAS returns. diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 645c7f10fb28..c93d9f35a121 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -35,9 +35,7 @@ #include <asm/thread_info.h> #include <asm/firmware.h> -#ifdef CONFIG_PPC_ISERIES #define DO_SOFT_DISABLE -#endif /* * We layout physical memory as follows: @@ -308,7 +306,9 @@ exception_marker: std r9,_LINK(r1); \ mfctr r10; /* save CTR in stackframe */ \ std r10,_CTR(r1); \ + lbz r10,PACASOFTIRQEN(r13); \ mfspr r11,SPRN_XER; /* save XER in stackframe */ \ + std r10,SOFTE(r1); \ std r11,_XER(r1); \ li r9,(n)+1; \ std r9,_TRAP(r1); /* set trap number */ \ @@ -343,6 +343,34 @@ label##_pSeries: \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) +#define MASKABLE_EXCEPTION_PSERIES(n, label) \ + . = n; \ + .globl label##_pSeries; \ +label##_pSeries: \ + HMT_MEDIUM; \ + mtspr SPRN_SPRG1,r13; /* save r13 */ \ + mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \ + std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ + std r10,PACA_EXGEN+EX_R10(r13); \ + lbz r10,PACASOFTIRQEN(r13); \ + mfcr r9; \ + cmpwi r10,0; \ + beq masked_interrupt; \ + mfspr r10,SPRN_SPRG1; \ + std r10,PACA_EXGEN+EX_R13(r13); \ + std r11,PACA_EXGEN+EX_R11(r13); \ + std r12,PACA_EXGEN+EX_R12(r13); \ + clrrdi r12,r13,32; /* get high part of &label */ \ + mfmsr r10; \ + mfspr r11,SPRN_SRR0; /* save SRR0 */ \ + LOAD_HANDLER(r12,label##_common) \ + ori r10,r10,MSR_IR|MSR_DR|MSR_RI; \ + mtspr SPRN_SRR0,r12; \ + mfspr r12,SPRN_SRR1; /* and SRR1 */ \ + mtspr SPRN_SRR1,r10; \ + rfid; \ + b . /* prevent speculative execution */ + #define STD_EXCEPTION_ISERIES(n, label, area) \ .globl label##_iSeries; \ label##_iSeries: \ @@ -358,40 +386,32 @@ label##_iSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG1,r13; /* save r13 */ \ EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN); \ - lbz r10,PACAPROCENABLED(r13); \ + lbz r10,PACASOFTIRQEN(r13); \ cmpwi 0,r10,0; \ beq- label##_iSeries_masked; \ EXCEPTION_PROLOG_ISERIES_2; \ b label##_common; \ -#ifdef DO_SOFT_DISABLE +#ifdef CONFIG_PPC_ISERIES #define DISABLE_INTS \ -BEGIN_FW_FTR_SECTION; \ - lbz r10,PACAPROCENABLED(r13); \ li r11,0; \ - std r10,SOFTE(r1); \ + stb r11,PACASOFTIRQEN(r13); \ +BEGIN_FW_FTR_SECTION; \ + stb r11,PACAHARDIRQEN(r13); \ +END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \ +BEGIN_FW_FTR_SECTION; \ mfmsr r10; \ - stb r11,PACAPROCENABLED(r13); \ ori r10,r10,MSR_EE; \ mtmsrd r10,1; \ END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) -#define ENABLE_INTS \ -BEGIN_FW_FTR_SECTION; \ - lbz r10,PACAPROCENABLED(r13); \ - mfmsr r11; \ - std r10,SOFTE(r1); \ - ori r11,r11,MSR_EE; \ -END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES); \ -BEGIN_FW_FTR_SECTION; \ - ld r12,_MSR(r1); \ - mfmsr r11; \ - rlwimi r11,r12,0,MSR_EE; \ -END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \ - mtmsrd r11,1 +#else +#define DISABLE_INTS \ + li r11,0; \ + stb r11,PACASOFTIRQEN(r13); \ + stb r11,PACAHARDIRQEN(r13) -#else /* hard enable/disable interrupts */ -#define DISABLE_INTS +#endif /* CONFIG_PPC_ISERIES */ #define ENABLE_INTS \ ld r12,_MSR(r1); \ @@ -399,8 +419,6 @@ END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \ rlwimi r11,r12,0,MSR_EE; \ mtmsrd r11,1 -#endif - #define STD_EXCEPTION_COMMON(trap, label, hdlr) \ .align 7; \ .globl label##_common; \ @@ -541,11 +559,11 @@ instruction_access_slb_pSeries: mfspr r12,SPRN_SRR1 /* and SRR1 */ b .slb_miss_realmode /* Rel. branch works in real mode */ - STD_EXCEPTION_PSERIES(0x500, hardware_interrupt) + MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt) STD_EXCEPTION_PSERIES(0x600, alignment) STD_EXCEPTION_PSERIES(0x700, program_check) STD_EXCEPTION_PSERIES(0x800, fp_unavailable) - STD_EXCEPTION_PSERIES(0x900, decrementer) + MASKABLE_EXCEPTION_PSERIES(0x900, decrementer) STD_EXCEPTION_PSERIES(0xa00, trap_0a) STD_EXCEPTION_PSERIES(0xb00, trap_0b) @@ -597,7 +615,24 @@ system_call_pSeries: /*** pSeries interrupt support ***/ /* moved from 0xf00 */ - STD_EXCEPTION_PSERIES(., performance_monitor) + MASKABLE_EXCEPTION_PSERIES(., performance_monitor) + +/* + * An interrupt came in while soft-disabled; clear EE in SRR1, + * clear paca->hard_enabled and return. + */ +masked_interrupt: + stb r10,PACAHARDIRQEN(r13) + mtcrf 0x80,r9 + ld r9,PACA_EXGEN+EX_R9(r13) + mfspr r10,SPRN_SRR1 + rldicl r10,r10,48,1 /* clear MSR_EE */ + rotldi r10,r10,16 + mtspr SPRN_SRR1,r10 + ld r10,PACA_EXGEN+EX_R10(r13) + mfspr r13,SPRN_SPRG1 + rfid + b . .align 7 _GLOBAL(do_stab_bolted_pSeries) @@ -952,7 +987,8 @@ fast_exception_return: REST_8GPRS(2, r1) mfmsr r10 - clrrdi r10,r10,2 /* clear RI (LE is 0 already) */ + rldicl r10,r10,48,1 /* clear EE */ + rldicr r10,r10,16,61 /* clear RI (LE is 0 already) */ mtmsrd r10,1 mtspr SPRN_SRR1,r12 @@ -1877,11 +1913,16 @@ _GLOBAL(__secondary_start) /* enable MMU and jump to start_secondary */ LOAD_REG_ADDR(r3, .start_secondary_prolog) LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) -#ifdef DO_SOFT_DISABLE +#ifdef CONFIG_PPC_ISERIES BEGIN_FW_FTR_SECTION ori r4,r4,MSR_EE END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) #endif +BEGIN_FW_FTR_SECTION + stb r7,PACASOFTIRQEN(r13) + stb r7,PACAHARDIRQEN(r13) +END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) + mtspr SPRN_SRR0,r3 mtspr SPRN_SRR1,r4 rfid @@ -2019,15 +2060,18 @@ _STATIC(start_here_common) /* Load up the kernel context */ 5: -#ifdef DO_SOFT_DISABLE -BEGIN_FW_FTR_SECTION li r5,0 - stb r5,PACAPROCENABLED(r13) /* Soft Disabled */ + stb r5,PACASOFTIRQEN(r13) /* Soft Disabled */ +#ifdef CONFIG_PPC_ISERIES +BEGIN_FW_FTR_SECTION mfmsr r5 ori r5,r5,MSR_EE /* Hard Enabled */ mtmsrd r5 END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) #endif +BEGIN_FW_FTR_SECTION + stb r5,PACAHARDIRQEN(r13) +END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) bl .start_kernel diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index 30de81da7b40..ba3195478600 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -30,6 +30,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP) beqlr /* Go to NAP now */ + mfmsr r7 + rldicl r0,r7,48,1 + rotldi r0,r0,16 + mtmsrd r0,1 /* hard-disable interrupts */ + li r0,1 + stb r0,PACASOFTIRQEN(r13) /* we'll hard-enable shortly */ + stb r0,PACAHARDIRQEN(r13) BEGIN_FTR_SECTION DSSALL sync @@ -38,7 +45,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) ld r8,TI_LOCAL_FLAGS(r9) /* set napping bit */ ori r8,r8,_TLF_NAPPING /* so when we take an exception */ std r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */ - mfmsr r7 ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h 1: sync diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5e37bf14ef2d..67b21a008f6e 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -64,8 +64,9 @@ #include <asm/ptrace.h> #include <asm/machdep.h> #include <asm/udbg.h> -#ifdef CONFIG_PPC_ISERIES +#ifdef CONFIG_PPC64 #include <asm/paca.h> +#include <asm/firmware.h> #endif int __irq_offset_value; @@ -95,6 +96,27 @@ extern atomic_t ipi_sent; EXPORT_SYMBOL(irq_desc); int distribute_irqs = 1; + +void local_irq_restore(unsigned long en) +{ + get_paca()->soft_enabled = en; + if (!en) + return; + + if (firmware_has_feature(FW_FEATURE_ISERIES)) { + if (get_paca()->lppaca_ptr->int_dword.any_int) + iseries_handle_interrupts(); + return; + } + + if (get_paca()->hard_enabled) + return; + /* need to hard-enable interrupts here */ + get_paca()->hard_enabled = en; + if ((int)mfspr(SPRN_DEC) < 0) + mtspr(SPRN_DEC, 1); + hard_irq_enable(); +} #endif /* CONFIG_PPC64 */ int show_interrupts(struct seq_file *p, void *v) diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 807193a3c784..9179f0739ea2 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -49,6 +49,10 @@ #include <asm/commproc.h> #endif +#ifdef CONFIG_PPC64 +EXPORT_SYMBOL(local_irq_restore); +#endif + #ifdef CONFIG_PPC32 extern void transfer_to_handler(void); extern void do_IRQ(struct pt_regs *regs); diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 4b2e32eab9dc..b1b0cda3f748 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -223,8 +223,8 @@ void early_setup_secondary(void) { struct paca_struct *lpaca = get_paca(); - /* Mark enabled in PACA */ - lpaca->proc_enabled = 0; + /* Mark interrupts enabled in PACA */ + lpaca->soft_enabled = 0; /* Initialize hash table for that CPU */ htab_initialize_secondary(); diff --git a/arch/powerpc/platforms/iseries/ksyms.c b/arch/powerpc/platforms/iseries/ksyms.c index a2200842f4e5..2430848b98e7 100644 --- a/arch/powerpc/platforms/iseries/ksyms.c +++ b/arch/powerpc/platforms/iseries/ksyms.c @@ -19,9 +19,3 @@ EXPORT_SYMBOL(HvCall4); EXPORT_SYMBOL(HvCall5); EXPORT_SYMBOL(HvCall6); EXPORT_SYMBOL(HvCall7); - -#ifdef CONFIG_SMP -EXPORT_SYMBOL(local_get_flags); -EXPORT_SYMBOL(local_irq_disable); -EXPORT_SYMBOL(local_irq_restore); -#endif diff --git a/arch/powerpc/platforms/iseries/misc.S b/arch/powerpc/platforms/iseries/misc.S index 7641fc7e550a..2c6ff0fdac98 100644 --- a/arch/powerpc/platforms/iseries/misc.S +++ b/arch/powerpc/platforms/iseries/misc.S @@ -19,39 +19,8 @@ .text -/* unsigned long local_save_flags(void) */ -_GLOBAL(local_get_flags) - lbz r3,PACAPROCENABLED(r13) - blr - -/* unsigned long local_irq_disable(void) */ -_GLOBAL(local_irq_disable) - lbz r3,PACAPROCENABLED(r13) - li r4,0 - stb r4,PACAPROCENABLED(r13) - blr /* Done */ - -/* void local_irq_restore(unsigned long flags) */ -_GLOBAL(local_irq_restore) - lbz r5,PACAPROCENABLED(r13) - /* Check if things are setup the way we want _already_. */ - cmpw 0,r3,r5 - beqlr - /* are we enabling interrupts? */ - cmpdi 0,r3,0 - stb r3,PACAPROCENABLED(r13) - beqlr - /* Check pending interrupts */ - /* A decrementer, IPI or PMC interrupt may have occurred - * while we were in the hypervisor (which enables) */ - ld r4,PACALPPACAPTR(r13) - ld r4,LPPACAANYINT(r4) - cmpdi r4,0 - beqlr - - /* - * Handle pending interrupts in interrupt context - */ +/* Handle pending interrupts in interrupt context */ +_GLOBAL(iseries_handle_interrupts) li r0,0x5555 sc blr diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h index d40359204aba..c4a1ab608f6f 100644 --- a/include/asm-powerpc/hw_irq.h +++ b/include/asm-powerpc/hw_irq.h @@ -7,16 +7,30 @@ #ifdef __KERNEL__ #include <linux/errno.h> +#include <linux/compiler.h> #include <asm/ptrace.h> #include <asm/processor.h> extern void timer_interrupt(struct pt_regs *); -#ifdef CONFIG_PPC_ISERIES +#ifdef CONFIG_PPC64 +#include <asm/paca.h> + +static inline unsigned long local_get_flags(void) +{ + return get_paca()->soft_enabled; +} + +static inline unsigned long local_irq_disable(void) +{ + unsigned long flag = get_paca()->soft_enabled; + get_paca()->soft_enabled = 0; + barrier(); + return flag; +} -extern unsigned long local_get_flags(void); -extern unsigned long local_irq_disable(void); extern void local_irq_restore(unsigned long); +extern void iseries_handle_interrupts(void); #define local_irq_enable() local_irq_restore(1) #define local_save_flags(flags) ((flags) = local_get_flags()) @@ -24,17 +38,14 @@ extern void local_irq_restore(unsigned long); #define irqs_disabled() (local_get_flags() == 0) +#define hard_irq_enable() __mtmsrd(mfmsr() | MSR_EE, 1) +#define hard_irq_disable() __mtmsrd(mfmsr() & ~MSR_EE, 1) + #else #if defined(CONFIG_BOOKE) #define SET_MSR_EE(x) mtmsr(x) #define local_irq_restore(flags) __asm__ __volatile__("wrtee %0" : : "r" (flags) : "memory") -#elif defined(__powerpc64__) -#define SET_MSR_EE(x) __mtmsrd(x, 1) -#define local_irq_restore(flags) do { \ - __asm__ __volatile__("": : :"memory"); \ - __mtmsrd((flags), 1); \ -} while(0) #else #define SET_MSR_EE(x) mtmsr(x) #define local_irq_restore(flags) mtmsr(flags) @@ -81,7 +92,7 @@ static inline void local_irq_save_ptr(unsigned long *flags) #define local_irq_save(flags) local_irq_save_ptr(&flags) #define irqs_disabled() ((mfmsr() & MSR_EE) == 0) -#endif /* CONFIG_PPC_ISERIES */ +#endif /* CONFIG_PPC64 */ #define mask_irq(irq) \ ({ \ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 0a4e5c93e8e6..0d3adc09c847 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -93,7 +93,8 @@ struct paca_struct { u64 stab_rr; /* stab/slb round-robin counter */ u64 saved_r1; /* r1 save for RTAS calls */ u64 saved_msr; /* MSR saved here by enter_rtas */ - u8 proc_enabled; /* irq soft-enable flag */ + u8 soft_enabled; /* irq soft-enable flag */ + u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ /* Stuff for accurate time accounting */ |