diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 25 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 1 |
4 files changed, 15 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index b0d6a7cd85e..1c83abd9f37 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -56,8 +56,6 @@ int main(void) DEFINE(THREAD, offsetof(struct task_struct, thread)); DEFINE(MM, offsetof(struct task_struct, mm)); #ifdef CONFIG_PPC64 - DEFINE(THREAD_SHIFT, THREAD_SHIFT); - DEFINE(THREAD_SIZE, THREAD_SIZE); DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context)); #else DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); @@ -94,12 +92,10 @@ int main(void) DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); -#ifdef CONFIG_PPC64 DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror)); -#else +#ifdef CONFIG_PPC32 DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); - DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags)); DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); #endif /* CONFIG_PPC64 */ diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index fc9dded9ac0..37b4396ca97 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -199,10 +199,9 @@ _GLOBAL(DoSyscall) #ifdef SHOW_SYSCALLS bl do_show_syscall #endif /* SHOW_SYSCALLS */ - rlwinm r10,r1,0,0,18 /* current_thread_info() */ - lwz r11,TI_LOCAL_FLAGS(r10) - rlwinm r11,r11,0,~_TIFL_FORCE_NOERROR - stw r11,TI_LOCAL_FLAGS(r10) + rlwinm r10,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ + li r11,0 + stb r11,TI_SC_NOERR(r10) lwz r11,TI_FLAGS(r10) andi. r11,r11,_TIF_SYSCALL_T_OR_A bne- syscall_dotrace @@ -225,10 +224,10 @@ ret_from_syscall: mr r6,r3 li r11,-_LAST_ERRNO cmplw 0,r3,r11 - rlwinm r12,r1,0,0,18 /* current_thread_info() */ + rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ blt+ 30f - lwz r11,TI_LOCAL_FLAGS(r12) - andi. r11,r11,_TIFL_FORCE_NOERROR + lbz r11,TI_SC_NOERR(r12) + cmpwi r11,0 bne 30f neg r3,r3 lwz r10,_CCR(r1) /* Set SO bit in CR */ @@ -315,7 +314,7 @@ syscall_exit_work: LOAD_MSR_KERNEL(r10,MSR_KERNEL) /* doesn't include MSR_EE */ SYNC MTMSRD(r10) /* disable interrupts again */ - rlwinm r12,r1,0,0,18 /* current_thread_info() */ + rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ lwz r9,TI_FLAGS(r12) 5: andi. r0,r9,_TIF_NEED_RESCHED @@ -630,7 +629,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_601) .globl sigreturn_exit sigreturn_exit: subi r1,r3,STACK_FRAME_OVERHEAD - rlwinm r12,r1,0,0,18 /* current_thread_info() */ + rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ lwz r9,TI_FLAGS(r12) andi. r0,r9,_TIF_SYSCALL_T_OR_A beq+ ret_from_except_full @@ -657,7 +656,7 @@ ret_from_except: user_exc_return: /* r10 contains MSR_KERNEL here */ /* Check current_thread_info()->flags */ - rlwinm r9,r1,0,0,18 + rlwinm r9,r1,0,0,(31-THREAD_SHIFT) lwz r9,TI_FLAGS(r9) andi. r0,r9,(_TIF_SIGPENDING|_TIF_NEED_RESCHED) bne do_work @@ -677,7 +676,7 @@ restore_user: /* N.B. the only way to get here is from the beq following ret_from_except. */ resume_kernel: /* check current_thread_info->preempt_count */ - rlwinm r9,r1,0,0,18 + rlwinm r9,r1,0,0,(31-THREAD_SHIFT) lwz r0,TI_PREEMPT(r9) cmpwi 0,r0,0 /* if non-zero, just restore regs and return */ bne restore @@ -687,7 +686,7 @@ resume_kernel: andi. r0,r3,MSR_EE /* interrupts off? */ beq restore /* don't schedule if so */ 1: bl preempt_schedule_irq - rlwinm r9,r1,0,0,18 + rlwinm r9,r1,0,0,(31-THREAD_SHIFT) lwz r3,TI_FLAGS(r9) andi. r0,r3,_TIF_NEED_RESCHED bne- 1b @@ -889,7 +888,7 @@ recheck: LOAD_MSR_KERNEL(r10,MSR_KERNEL) SYNC MTMSRD(r10) /* disable interrupts */ - rlwinm r9,r1,0,0,18 + rlwinm r9,r1,0,0,(31-THREAD_SHIFT) lwz r9,TI_FLAGS(r9) andi. r0,r9,_TIF_NEED_RESCHED bne- do_resched diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index a4ceb9ae20f..72b0d26e41d 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -36,6 +36,7 @@ #include <asm/setup.h> #include <asm/hvcall.h> #include <asm/iSeries/LparMap.h> +#include <asm/thread_info.h> #ifdef CONFIG_PPC_ISERIES #define DO_SOFT_DISABLE diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 8fe295693c0..4775bed42ca 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -26,6 +26,7 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> #include <asm/cputable.h> +#include <asm/thread_info.h> .text |