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| author | Ingo Molnar <mingo@kernel.org> | 2015-04-23 12:46:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-19 15:47:24 +0200 |
| commit | 4c1384100ebf51651d02430a7f70661ef1ef06ac (patch) | |
| tree | a1c942ae45d43be4f34cf463fb33c54c781d7e3d /arch/x86/kernel/signal.c | |
| parent | 4540d3faa7c3fca6a6125448861de0e2e485658b (diff) | |
| download | linux-4c1384100ebf51651d02430a7f70661ef1ef06ac.tar.bz2 | |
x86/fpu: Open code PF_USED_MATH usages
PF_USED_MATH is used directly, but also in a handful of helper inlines.
To ease the elimination of PF_USED_MATH, convert all inline helpers
to open-coded PF_USED_MATH usage.
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/signal.c')
| -rw-r--r-- | arch/x86/kernel/signal.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 35f867aa597e..8e2529ebb8c6 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -217,7 +217,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, } } - if (used_math()) { + if (current->flags & PF_USED_MATH) { sp = alloc_mathframe(sp, config_enabled(CONFIG_X86_32), &buf_fx, &math_size); *fpstate = (void __user *)sp; @@ -233,7 +233,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, return (void __user *)-1L; /* save i387 and extended state */ - if (used_math() && + if ((current->flags & PF_USED_MATH) && save_xstate_sig(*fpstate, (void __user *)buf_fx, math_size) < 0) return (void __user *)-1L; @@ -664,7 +664,7 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) /* * Ensure the signal handler starts with the new fpu state. */ - if (used_math()) + if (current->flags & PF_USED_MATH) fpu_reset_state(current); } signal_setup_done(failed, ksig, stepping); |