diff options
Diffstat (limited to 'include/asm-x86_64/pda.h')
| -rw-r--r-- | include/asm-x86_64/pda.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/asm-x86_64/pda.h b/include/asm-x86_64/pda.h index 36b766c..bbf89aa 100644 --- a/include/asm-x86_64/pda.h +++ b/include/asm-x86_64/pda.h @@ -10,10 +10,8 @@ struct x8664_pda { struct task_struct *pcurrent; /* Current process */ unsigned long data_offset; /* Per cpu data offset from linker address */ - struct x8664_pda *me; /* Pointer to itself */ unsigned long kernelstack; /* top of kernel stack for current */ unsigned long oldrsp; /* user rsp for system call */ - unsigned long irqrsp; /* Old rsp for interrupts. */ int irqcount; /* Irq nesting counter. Starts with -1 */ int cpunumber; /* Logical CPU number */ char *irqstackptr; /* top of irqstack */ @@ -22,7 +20,7 @@ struct x8664_pda { struct mm_struct *active_mm; int mmu_state; unsigned apic_timer_irqs; -} ____cacheline_aligned; +} ____cacheline_aligned_in_smp; #define IRQSTACK_ORDER 2 @@ -42,13 +40,14 @@ extern void __bad_pda_field(void); #define pda_offset(field) offsetof(struct x8664_pda, field) #define pda_to_op(op,field,val) do { \ + typedef typeof_field(struct x8664_pda, field) T__; \ switch (sizeof_field(struct x8664_pda, field)) { \ case 2: \ -asm volatile(op "w %0,%%gs:%P1"::"r" (val),"i"(pda_offset(field)):"memory"); break; \ +asm volatile(op "w %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ case 4: \ -asm volatile(op "l %0,%%gs:%P1"::"r" (val),"i"(pda_offset(field)):"memory"); break; \ +asm volatile(op "l %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ case 8: \ -asm volatile(op "q %0,%%gs:%P1"::"r" (val),"i"(pda_offset(field)):"memory"); break; \ +asm volatile(op "q %0,%%gs:%P1"::"ri" ((T__)val),"i"(pda_offset(field)):"memory"); break; \ default: __bad_pda_field(); \ } \ } while (0) @@ -58,7 +57,7 @@ asm volatile(op "q %0,%%gs:%P1"::"r" (val),"i"(pda_offset(field)):"memory"); bre * Unfortunately removing them causes all hell to break lose currently. */ #define pda_from_op(op,field) ({ \ - typedef typeof_field(struct x8664_pda, field) T__; T__ ret__; \ + typeof_field(struct x8664_pda, field) ret__; \ switch (sizeof_field(struct x8664_pda, field)) { \ case 2: \ asm volatile(op "w %%gs:%P1,%0":"=r" (ret__):"i"(pda_offset(field)):"memory"); break;\ @@ -75,6 +74,7 @@ asm volatile(op "q %%gs:%P1,%0":"=r" (ret__):"i"(pda_offset(field)):"memory"); b #define write_pda(field,val) pda_to_op("mov",field,val) #define add_pda(field,val) pda_to_op("add",field,val) #define sub_pda(field,val) pda_to_op("sub",field,val) +#define or_pda(field,val) pda_to_op("or",field,val) #endif |