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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:37 +0200 |
| commit | 3557b18fcbe0e29706214f3c7cc680a7823605eb (patch) | |
| tree | 2a70696b78a9e8b5ba38090901301931d395ecfb /arch/x86/math-emu | |
| parent | 4226ab93d8ae3fd895abe45879fe34d489a98718 (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
| download | kernel_replicant_linux-3557b18fcbe0e29706214f3c7cc680a7823605eb.tar.gz kernel_replicant_linux-3557b18fcbe0e29706214f3c7cc680a7823605eb.tar.bz2 kernel_replicant_linux-3557b18fcbe0e29706214f3c7cc680a7823605eb.zip | |
Merge branch 'linus' into x86/ptemask
Diffstat (limited to 'arch/x86/math-emu')
| -rw-r--r-- | arch/x86/math-emu/fpu_entry.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index 6e38d877ea77..c7b06feb139b 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -30,6 +30,7 @@ #include <asm/uaccess.h> #include <asm/desc.h> #include <asm/user.h> +#include <asm/i387.h> #include "fpu_system.h" #include "fpu_emu.h" @@ -146,6 +147,13 @@ asmlinkage void math_emulate(long arg) unsigned long code_limit = 0; /* Initialized to stop compiler warnings */ struct desc_struct code_descriptor; + if (!used_math()) { + if (init_fpu(current)) { + do_group_exit(SIGKILL); + return; + } + } + #ifdef RE_ENTRANT_CHECKING if (emulating) { printk("ERROR: wm-FPU-emu is not RE-ENTRANT!\n"); @@ -153,11 +161,6 @@ asmlinkage void math_emulate(long arg) RE_ENTRANT_CHECK_ON; #endif /* RE_ENTRANT_CHECKING */ - if (!used_math()) { - finit(); - set_used_math(); - } - SETUP_DATA_AREA(arg); FPU_ORIG_EIP = FPU_EIP; |