search for: force_writeback

...es not satisfy this requirement. Then I resort to x86_emulate. I construct the x86_emulate_ctxt and reuse the "ptwr_emulate_ops". code like this: extern const struct x86_emulate_ops ptwr_emulate_ops; in do_general_protection { .... struct x86_emulate_ctxt ctxt; ctxt.regs = regs; ctxt.force_writeback = 1; // 0 is the same ctxt.addr_size = 32; ctxt.sp_size = 32; ret = x86_emulate(&ctxt, &ptwr_emulate_ops); ... } the error message is: (XEN) mm.c:5235:d0 ptwr_emulate: bad access (cr2=553a4000, addr=e81b5fac, bytes=4) I have another idea, I directly update the stack and change the...

This patch series is a reworking of a series developed by Mukesh Rathor at Oracle. The entirety of the design and development was done by him; I have only reworked, reorganized, and simplified things in a way that I think makes more sense. The vast majority of the credit for this effort therefore goes to him. This version is labelled v13 because it is based on his most recent series, v11.