diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/signal.c | 22 | ||||
| -rw-r--r-- | arch/mips/kernel/signal32.c | 22 |
2 files changed, 28 insertions, 16 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index b7e4614d41b5..e0178e117f68 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -102,10 +102,13 @@ static int protected_save_fp_context(struct sigcontext __user *sc) int err; while (1) { lock_fpu_owner(); - err = own_fpu_inatomic(1); - if (!err) - err = save_fp_context(sc); /* this might fail */ - unlock_fpu_owner(); + if (is_fpu_owner()) { + err = save_fp_context(sc); + unlock_fpu_owner(); + } else { + unlock_fpu_owner(); + err = copy_fp_to_sigcontext(sc); + } if (likely(!err)) break; /* touch the sigcontext and try again */ @@ -123,10 +126,13 @@ static int protected_restore_fp_context(struct sigcontext __user *sc) int err, tmp __maybe_unused; while (1) { lock_fpu_owner(); - err = own_fpu_inatomic(0); - if (!err) - err = restore_fp_context(sc); /* this might fail */ - unlock_fpu_owner(); + if (is_fpu_owner()) { + err = restore_fp_context(sc); + unlock_fpu_owner(); + } else { + unlock_fpu_owner(); + err = copy_fp_from_sigcontext(sc); + } if (likely(!err)) break; /* touch the sigcontext and try again */ diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index dc09206d8c7b..aec58211faaa 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -118,10 +118,13 @@ static int protected_save_fp_context32(struct sigcontext32 __user *sc) int err; while (1) { lock_fpu_owner(); - err = own_fpu_inatomic(1); - if (!err) - err = save_fp_context32(sc); /* this might fail */ - unlock_fpu_owner(); + if (is_fpu_owner()) { + err = save_fp_context32(sc); + unlock_fpu_owner(); + } else { + unlock_fpu_owner(); + err = copy_fp_to_sigcontext32(sc); + } if (likely(!err)) break; /* touch the sigcontext and try again */ @@ -139,10 +142,13 @@ static int protected_restore_fp_context32(struct sigcontext32 __user *sc) int err, tmp __maybe_unused; while (1) { lock_fpu_owner(); - err = own_fpu_inatomic(0); - if (!err) - err = restore_fp_context32(sc); /* this might fail */ - unlock_fpu_owner(); + if (is_fpu_owner()) { + err = restore_fp_context32(sc); + unlock_fpu_owner(); + } else { + unlock_fpu_owner(); + err = copy_fp_from_sigcontext32(sc); + } if (likely(!err)) break; /* touch the sigcontext and try again */ |