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authorIngo Molnar <mingo@elte.hu>2009-06-11 17:31:52 -0400
committerIngo Molnar <mingo@elte.hu>2009-06-11 17:31:52 -0400
commit0d5959723e1db3fd7323c198a50c16cecf96c7a9 (patch)
tree802b623fff261ebcbbddadf84af5524398364a18 /arch/x86/kernel/traps.c
parent62fdac5913f71f8f200bd2c9bd59a02e9a1498e9 (diff)
parent512626a04e72aca60effe111fa0333ed0b195d21 (diff)
Merge branch 'linus' into x86/mce3
Conflicts: arch/x86/kernel/cpu/mcheck/mce_64.c arch/x86/kernel/irq.c Merge reason: Resolve the conflicts above. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/traps.c')
-rw-r--r--arch/x86/kernel/traps.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index f4d683b630ba..1e1e27b7d438 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -839,9 +839,6 @@ asmlinkage void math_state_restore(void)
839 } 839 }
840 840
841 clts(); /* Allow maths ops (or we recurse) */ 841 clts(); /* Allow maths ops (or we recurse) */
842#ifdef CONFIG_X86_32
843 restore_fpu(tsk);
844#else
845 /* 842 /*
846 * Paranoid restore. send a SIGSEGV if we fail to restore the state. 843 * Paranoid restore. send a SIGSEGV if we fail to restore the state.
847 */ 844 */
@@ -850,7 +847,7 @@ asmlinkage void math_state_restore(void)
850 force_sig(SIGSEGV, tsk); 847 force_sig(SIGSEGV, tsk);
851 return; 848 return;
852 } 849 }
853#endif 850
854 thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ 851 thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */
855 tsk->fpu_counter++; 852 tsk->fpu_counter++;
856} 853}
@@ -945,8 +942,13 @@ void __init trap_init(void)
945#endif 942#endif
946 set_intr_gate(19, &simd_coprocessor_error); 943 set_intr_gate(19, &simd_coprocessor_error);
947 944
945 /* Reserve all the builtin and the syscall vector: */
946 for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++)
947 set_bit(i, used_vectors);
948
948#ifdef CONFIG_IA32_EMULATION 949#ifdef CONFIG_IA32_EMULATION
949 set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall); 950 set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
951 set_bit(IA32_SYSCALL_VECTOR, used_vectors);
950#endif 952#endif
951 953
952#ifdef CONFIG_X86_32 954#ifdef CONFIG_X86_32
@@ -963,14 +965,9 @@ void __init trap_init(void)
963 } 965 }
964 966
965 set_system_trap_gate(SYSCALL_VECTOR, &system_call); 967 set_system_trap_gate(SYSCALL_VECTOR, &system_call);
968 set_bit(SYSCALL_VECTOR, used_vectors);
966#endif 969#endif
967 970
968 /* Reserve all the builtin and the syscall vector: */
969 for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++)
970 set_bit(i, used_vectors);
971
972 set_bit(IA32_SYSCALL_VECTOR, used_vectors);
973
974 /* 971 /*
975 * Should be a barrier for any external CPU state: 972 * Should be a barrier for any external CPU state:
976 */ 973 */