On 03.05.22 05:21, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@antgroup.com>
> 
> The macro idtentry calls error_entry() unconditionally even on XENPV.
> But the code XENPV needs in error_entry() is PUSH_AND_CLEAR_REGS only.
> 
> And PUSH_AND_CLEAR_REGS in error_entry() makes the stack not return to
> its original place when the function returns, which means it is not
> possible to convert it to a C function.
> 
> Move PUSH_AND_CLEAR_REGS out of error_entry(), add a function to wrap
> PUSH_AND_CLEAR_REGS and call it before error_entry().
> 
> It will allow for error_entry() to be not called on XENPV and for
> error_entry() to be converted to C code.
> 
> Cc: Juergen Gross <jgross@suse.com>
> Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen