diff options
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r-- | arch/sparc/kernel/etrap_64.S | 8 | ||||
-rw-r--r-- | arch/sparc/kernel/syscalls.S | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/traps_64.c | 2 |
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/sparc/kernel/etrap_64.S b/arch/sparc/kernel/etrap_64.S index 786b185e6e3..1276ca2567b 100644 --- a/arch/sparc/kernel/etrap_64.S +++ b/arch/sparc/kernel/etrap_64.S @@ -92,8 +92,10 @@ etrap_save: save %g2, -STACK_BIAS, %sp rdpr %wstate, %g2 wrpr %g0, 0, %canrestore sll %g2, 3, %g2 + + /* Set TI_SYS_FPDEPTH to 1 and clear TI_SYS_NOERROR. */ mov 1, %l5 - stb %l5, [%l6 + TI_FPDEPTH] + sth %l5, [%l6 + TI_SYS_NOERROR] wrpr %g3, 0, %otherwin wrpr %g2, 0, %wstate @@ -152,7 +154,9 @@ etrap_save: save %g2, -STACK_BIAS, %sp add %l6, TI_FPSAVED + 1, %l4 srl %l5, 1, %l3 add %l5, 2, %l5 - stb %l5, [%l6 + TI_FPDEPTH] + + /* Set TI_SYS_FPDEPTH to %l5 and clear TI_SYS_NOERROR. */ + sth %l5, [%l6 + TI_SYS_NOERROR] ba,pt %xcc, 2b stb %g0, [%l4 + %l3] nop diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index 1d7e274f3f2..ed277e2fdfc 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -221,8 +221,8 @@ ret_sys_call: * was invoked. */ ldub [%g6 + TI_SYS_NOERROR], %l2 - brnz,a,pn %l2, 80f - stb %g0, [%g6 + TI_SYS_NOERROR] + brnz,pn %l2, 80f + nop cmp %o0, -ERESTART_RESTARTBLOCK bgeu,pn %xcc, 1f diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index fa1f1d375ff..82af591fe43 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -2547,8 +2547,6 @@ void __init trap_init(void) TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) || TI_NEW_CHILD != offsetof(struct thread_info, new_child) || - TI_SYS_NOERROR != offsetof(struct thread_info, - syscall_noerror) || TI_RESTART_BLOCK != offsetof(struct thread_info, restart_block) || TI_KUNA_REGS != offsetof(struct thread_info, |