Re: [PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-16 Thread Boris Ostrovsky
On 08/11/2017 10:54 AM, Juergen Gross 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

Re: [PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-16 Thread Boris Ostrovsky
On 08/11/2017 10:54 AM, Juergen Gross 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

Re: [PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-12 Thread Ingo Molnar
* Juergen Gross 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

Re: [PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-12 Thread Ingo Molnar
* Juergen Gross 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

[PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-11 Thread Juergen Gross
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

[PATCH v4] xen: get rid of paravirt op adjust_exception_frame

2017-08-11 Thread Juergen Gross
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