diff options
Diffstat (limited to 'arch/mips64/kernel/signal.c')
| -rw-r--r-- | arch/mips64/kernel/signal.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/mips64/kernel/signal.c b/arch/mips64/kernel/signal.c index 40a727831..7f644a437 100644 --- a/arch/mips64/kernel/signal.c +++ b/arch/mips64/kernel/signal.c @@ -26,6 +26,7 @@ #include <asm/stackframe.h> #include <asm/uaccess.h> #include <asm/ucontext.h> +#include <asm/system.h> #define DEBUG_SIG 0 @@ -209,8 +210,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc) err |= __get_user(owned_fp, &sc->sc_ownedfp); if (owned_fp) { - if (current == last_task_used_math) { - last_task_used_math = 0; + if (IS_FPU_OWNER()) { + CLEAR_FPU_OWNER(); regs->cp0_status &= ~ST0_CU1; } current->used_math = 1; @@ -338,9 +339,9 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext *sc) err |= __put_user(regs->cp0_badvaddr, &sc->sc_badvaddr); if (current->used_math) { /* fp is active. */ - if (current == last_task_used_math) { + if (IS_FPU_OWNER()) { lazy_fpu_switch(current, 0); - last_task_used_math = NULL; + CLEAR_FPU_OWNER(); regs->cp0_status &= ~ST0_CU1; } err |= __put_user(1, &sc->sc_ownedfp); |