Mailing List Archive

commit a6da84524ceaf24ff997d03407b93f60c12857f3
Author: Demi Marie Obenour <demi@invisiblethingslab.com>
AuthorDate: Tue Dec 6 13:55:07 2022 +0100
Commit: Jan Beulich <jbeulich@suse.com>
CommitDate: Tue Dec 6 13:55:07 2022 +0100

x86/mm/shadow: do not open-code PAGE_CACHE_ATTRS

This makes the code easier to understand.

Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
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 4e94fec3d5..6bb564b014 100644
--- a/xen/arch/x86/mm/shadow/multi.c
+++ b/xen/arch/x86/mm/shadow/multi.c
@@ -535,7 +535,7 @@ _sh_propagate(struct vcpu *v,
if ( guest_nx_enabled(v) )
pass_thru_flags |= _PAGE_NX_BIT;
if ( level == 1 && !shadow_mode_refcounts(d) && mmio_mfn )
- pass_thru_flags |= _PAGE_PAT | _PAGE_PCD | _PAGE_PWT;
+ pass_thru_flags |= PAGE_CACHE_ATTRS;
sflags = gflags & pass_thru_flags;

/*
@@ -548,7 +548,7 @@ _sh_propagate(struct vcpu *v,
{
int type;

- ASSERT(!(sflags & (_PAGE_PAT | _PAGE_PCD | _PAGE_PWT)));
+ ASSERT(!(sflags & PAGE_CACHE_ATTRS));

/* compute the PAT index for shadow page entry when VT-d is enabled
* and device assigned.
--
generated by git-patchbot for /home/xen/git/xen.git#master