Needs to be used in combination with Jan's "x86/PV: simplify (and thus correct) guest accessor functions" to provide correct behaviour. See patch 2.
Andrew Cooper (2): x86/pv: Rework guest_io_okay() to return X86EMUL_* x86/pv: Handle #PF correctly when reading the IO permission bitmap xen/arch/x86/pv/emul-priv-op.c | 63 +++++++++++++++++++--------------- 1 file changed, 35 insertions(+), 28 deletions(-) -- 2.39.5
