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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:21:27 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:21:27 +0200
commit688d22e23ab1caacb2c36c615854294b58f2ea47 (patch)
tree95c8163c0b1f56902f5537bc256d7e5507f56cee /arch/x86/math-emu/fpu_entry.c
parent7e0edc1bc343231029084761ebf59e522902eb49 (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/xentip-x86-xen-2008-06-16_09.21_Mon
Diffstat (limited to 'arch/x86/math-emu/fpu_entry.c')
-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 @@
#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;