aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/math-emu
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/math-emu')
-rw-r--r--arch/x86/math-emu/fpu_entry.c13
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 @@
30#include <asm/uaccess.h> 30#include <asm/uaccess.h>
31#include <asm/desc.h> 31#include <asm/desc.h>
32#include <asm/user.h> 32#include <asm/user.h>
33#include <asm/i387.h>
33 34
34#include "fpu_system.h" 35#include "fpu_system.h"
35#include "fpu_emu.h" 36#include "fpu_emu.h"
@@ -146,6 +147,13 @@ asmlinkage void math_emulate(long arg)
146 unsigned long code_limit = 0; /* Initialized to stop compiler warnings */ 147 unsigned long code_limit = 0; /* Initialized to stop compiler warnings */
147 struct desc_struct code_descriptor; 148 struct desc_struct code_descriptor;
148 149
150 if (!used_math()) {
151 if (init_fpu(current)) {
152 do_group_exit(SIGKILL);
153 return;
154 }
155 }
156
149#ifdef RE_ENTRANT_CHECKING 157#ifdef RE_ENTRANT_CHECKING
150 if (emulating) { 158 if (emulating) {
151 printk("ERROR: wm-FPU-emu is not RE-ENTRANT!\n"); 159 printk("ERROR: wm-FPU-emu is not RE-ENTRANT!\n");
@@ -153,11 +161,6 @@ asmlinkage void math_emulate(long arg)
153 RE_ENTRANT_CHECK_ON; 161 RE_ENTRANT_CHECK_ON;
154#endif /* RE_ENTRANT_CHECKING */ 162#endif /* RE_ENTRANT_CHECKING */
155 163
156 if (!used_math()) {
157 finit();
158 set_used_math();
159 }
160
161 SETUP_DATA_AREA(arg); 164 SETUP_DATA_AREA(arg);
162 165
163 FPU_ORIG_EIP = FPU_EIP; 166 FPU_ORIG_EIP = FPU_EIP;