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x86/entry: Convert Invalid Opcode exception to IDTENTRY

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Convert #UD to IDTENTRY:
  - Implement the C entry point with DEFINE_IDTENTRY
  - Emit the ASM stub with DECLARE_IDTENTRY
  - Remove the ASM idtentry in 64bit
  - Remove the open coded ASM entry code in 32bit
  - Fixup the XEN/PV code
  - Fixup the FOOF bug call in fault.c
  - Remove the old prototypes

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134904.955511913@linutronix.de
This commit is contained in:
Thomas Gleixner
2020-02-25 23:16:18 +01:00
parent 58d9c81fac
commit 49893c5cb2
9 changed files with 25 additions and 16 deletions
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2
arch/x86/xen/enlighten_pv.c
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@@ -624,7 +624,7 @@ static struct trap_array_entry trap_array[] = {
{ page_fault, xen_page_fault, false },
TRAP_ENTRY(exc_divide_error, false ),
TRAP_ENTRY(exc_bounds, false ),
{ invalid_op, xen_invalid_op, false },
TRAP_ENTRY(exc_invalid_op, false ),
{ device_not_available, xen_device_not_available, false },
{ coprocessor_segment_overrun, xen_coprocessor_segment_overrun, false },
{ invalid_TSS, xen_invalid_TSS, false },