diff options
Diffstat (limited to 'arch/s390/include/asm/processor.h')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index d6fd22ea270d..9d4d311d7e52 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -105,7 +105,6 @@ typedef struct { * Thread structure */ struct thread_struct { - struct fpu fpu; /* FP and VX register save area */ unsigned int acrs[NUM_ACRS]; unsigned long ksp; /* kernel stack pointer */ mm_segment_t mm_segment; @@ -120,6 +119,11 @@ struct thread_struct { /* cpu runtime instrumentation */ struct runtime_instr_cb *ri_cb; unsigned char trap_tdb[256]; /* Transaction abort diagnose block */ + /* + * Warning: 'fpu' is dynamically-sized. It *MUST* be at + * the end. + */ + struct fpu fpu; /* FP and VX register save area */ }; /* Flag to disable transactions. */ @@ -155,10 +159,9 @@ struct stack_frame { #define ARCH_MIN_TASKALIGN 8 -extern __vector128 init_task_fpu_regs[__NUM_VXRS]; #define INIT_THREAD { \ .ksp = sizeof(init_stack) + (unsigned long) &init_stack, \ - .fpu.regs = (void *)&init_task_fpu_regs, \ + .fpu.regs = (void *) init_task.thread.fpu.fprs, \ } /* @@ -175,7 +178,7 @@ extern __vector128 init_task_fpu_regs[__NUM_VXRS]; regs->psw.mask = PSW_USER_BITS | PSW_MASK_BA; \ regs->psw.addr = new_psw; \ regs->gprs[15] = new_stackp; \ - crst_table_downgrade(current->mm, 1UL << 31); \ + crst_table_downgrade(current->mm); \ execve_tail(); \ } while (0) |