Messages in this thread Patch in this message | | | Date | Fri, 3 Oct 2008 23:16:12 +0200 | From | Alexander van Heukelum <> | Subject | Resend: [PATCH 2/9] traps: x86_64: make math_state_restore more like i386 |
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- rename variable me -> tsk - get thread and tsk like i386 - expand used_math() - copy comment
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> --- arch/x86/kernel/traps_64.c | 15 ++++++++------- 1 files changed, 8 insertions(+), 7 deletions(-)
It looks like patches 2 and 7 have been eaten along the way... Trying those again.
Greetings, Alexander
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 8cf590b..a7aef2d 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -609,14 +609,15 @@ asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) */ asmlinkage void math_state_restore(void) { - struct task_struct *me = current; + struct thread_info *thread = current_thread_info(); + struct task_struct *tsk = thread->task; - if (!used_math()) { + if (!tsk_used_math(tsk)) { local_irq_enable(); /* * does a slab alloc which can sleep */ - if (init_fpu(me)) { + if (init_fpu(tsk)) { /* * ran out of memory! */ @@ -630,13 +631,13 @@ asmlinkage void math_state_restore(void) /* * Paranoid restore. send a SIGSEGV if we fail to restore the state. */ - if (unlikely(restore_fpu_checking(me))) { + if (unlikely(restore_fpu_checking(tsk))) { stts(); - force_sig(SIGSEGV, me); + force_sig(SIGSEGV, tsk); return; } - task_thread_info(me)->status |= TS_USEDFPU; - me->fpu_counter++; + thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ + tsk->fpu_counter++; } EXPORT_SYMBOL_GPL(math_state_restore); -- 1.5.4.3
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