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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
| commit | 896395c290f902576270d84291c1f7f8bfbe339d (patch) | |
| tree | 650114bff3a5f808ee1d713ecc443b0eaab2e1c3 /arch/x86/math-emu/fpu_entry.c | |
| parent | af1cf204ba2fd8135933a2e4df523fb1112dc0e2 (diff) | |
| parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
| download | op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.zip op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.tar.gz | |
Merge branch 'linus' into tmp.x86.mpparse.new
Diffstat (limited to 'arch/x86/math-emu/fpu_entry.c')
| -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 6e38d87..c7b06fe 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; |
