This makes the code easier to understand and more robust if Xen's PAT ever changes.
Signed-off-by: Demi Marie Obenour <[email protected]> --- xen/arch/x86/mm/shadow/multi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c index 2370b3060285fee895f335f2a82d3d22ca5d31ed..4e94fec3d50cde0e5a26ecb62ff4d00dd00f759d 100644 --- a/xen/arch/x86/mm/shadow/multi.c +++ b/xen/arch/x86/mm/shadow/multi.c @@ -629,8 +629,8 @@ _sh_propagate(struct vcpu *v, else if ( p2mt == p2m_mmio_direct && rangeset_contains_singleton(mmio_ro_ranges, mfn_x(target_mfn)) ) { - sflags &= ~(_PAGE_RW | _PAGE_PAT); - sflags |= _PAGE_PCD | _PAGE_PWT; + sflags &= ~(_PAGE_RW | PAGE_CACHE_ATTRS); + sflags |= _PAGE_UC; } // protect guest page tables -- Sincerely, Demi Marie Obenour (she/her/hers) Invisible Things Lab
