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Diffstat (limited to 'arch/i386/kernel/entry.S')
-rw-r--r--arch/i386/kernel/entry.S23
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 18bddcb8e9e..b1f16ee65e4 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -15,7 +15,7 @@
* I changed all the .align's to 4 (16 byte alignment), as that's faster
* on a 486.
*
- * Stack layout in 'ret_from_system_call':
+ * Stack layout in 'syscall_exit':
* ptrace needs to have all regs on the stack.
* if the order here is changed, it needs to be
* updated in fork.c:copy_process, signal.c:do_signal,
@@ -132,7 +132,7 @@ VM_MASK = 0x00020000
movl $(__USER_DS), %edx; \
movl %edx, %ds; \
movl %edx, %es; \
- movl $(__KERNEL_PDA), %edx; \
+ movl $(__KERNEL_PERCPU), %edx; \
movl %edx, %fs
#define RESTORE_INT_REGS \
@@ -305,16 +305,12 @@ sysenter_past_esp:
pushl $(__USER_CS)
CFI_ADJUST_CFA_OFFSET 4
/*CFI_REL_OFFSET cs, 0*/
-#ifndef CONFIG_COMPAT_VDSO
/*
* Push current_thread_info()->sysenter_return to the stack.
* A tiny bit of offset fixup is necessary - 4*4 means the 4 words
* pushed above; +8 corresponds to copy_thread's esp0 setting.
*/
pushl (TI_sysenter_return-THREAD_SIZE+8+4*4)(%esp)
-#else
- pushl $SYSENTER_RETURN
-#endif
CFI_ADJUST_CFA_OFFSET 4
CFI_REL_OFFSET eip, 0
@@ -342,7 +338,7 @@ sysenter_past_esp:
jae syscall_badsys
call *sys_call_table(,%eax,4)
movl %eax,PT_EAX(%esp)
- DISABLE_INTERRUPTS(CLBR_ECX|CLBR_EDX)
+ DISABLE_INTERRUPTS(CLBR_ANY)
TRACE_IRQS_OFF
movl TI_flags(%ebp), %ecx
testw $_TIF_ALLWORK_MASK, %cx
@@ -560,9 +556,7 @@ END(syscall_badsys)
#define FIXUP_ESPFIX_STACK \
/* since we are on a wrong stack, we cant make it a C code :( */ \
- movl %fs:PDA_cpu, %ebx; \
- PER_CPU(cpu_gdt_descr, %ebx); \
- movl GDS_address(%ebx), %ebx; \
+ PER_CPU(gdt_page, %ebx); \
GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah); \
addl %esp, %eax; \
pushl $__KERNEL_DS; \
@@ -635,7 +629,7 @@ ENTRY(name) \
SAVE_ALL; \
TRACE_IRQS_OFF \
movl %esp,%eax; \
- call smp_/**/name; \
+ call smp_##name; \
jmp ret_from_intr; \
CFI_ENDPROC; \
ENDPROC(name)
@@ -643,11 +637,6 @@ ENDPROC(name)
/* The include is where all of the SMP etc. interrupts come from */
#include "entry_arch.h"
-/* This alternate entry is needed because we hijack the apic LVTT */
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_LOCAL_APIC)
-BUILD_INTERRUPT(apic_vmi_timer_interrupt,LOCAL_TIMER_VECTOR)
-#endif
-
KPROBE_ENTRY(page_fault)
RING0_EC_FRAME
pushl $do_page_fault
@@ -686,7 +675,7 @@ error_code:
pushl %fs
CFI_ADJUST_CFA_OFFSET 4
/*CFI_REL_OFFSET fs, 0*/
- movl $(__KERNEL_PDA), %ecx
+ movl $(__KERNEL_PERCPU), %ecx
movl %ecx, %fs
UNWIND_ESPFIX_STACK
popl %ecx