* Juergen Gross <jgr...@suse.com> wrote:
> When running as Xen pv-guest the exception frame on the stack contains
> %r11 and %rcx additional to the other data pushed by the processor.
>
> Instead of having a paravirt op being called for each exception type
> prepend the Xen specific code to each exception entry. When running as
> Xen pv-guest just use the exception entry with prepended instructions,
> otherwise use the entry without the Xen specific code.
>
> Signed-off-by: Juergen Gross <jgr...@suse.com>
> ---
> arch/x86/entry/entry_64.S | 23 ++-------
> arch/x86/entry/entry_64_compat.S | 1 -
> arch/x86/include/asm/paravirt.h | 5 --
> arch/x86/include/asm/paravirt_types.h | 4 --
> arch/x86/include/asm/proto.h | 3 ++
> arch/x86/include/asm/traps.h | 33 ++++++++++--
> arch/x86/kernel/asm-offsets_64.c | 1 -
> arch/x86/kernel/paravirt.c | 3 --
> arch/x86/xen/enlighten_pv.c | 96
> +++++++++++++++++++++++------------
> arch/x86/xen/irq.c | 3 --
> arch/x86/xen/xen-asm_64.S | 45 ++++++++++++++--
> arch/x86/xen/xen-ops.h | 1 -
> 12 files changed, 140 insertions(+), 78 deletions(-)
Acked-by: Ingo Molnar <mi...@kernel.org>
Thanks,
Ingo
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