diff options
Diffstat (limited to 'main/xen/xsa168.patch')
| -rw-r--r-- | main/xen/xsa168.patch | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/main/xen/xsa168.patch b/main/xen/xsa168.patch deleted file mode 100644 index 856f02e6fc..0000000000 --- a/main/xen/xsa168.patch +++ /dev/null @@ -1,27 +0,0 @@ -x86/VMX: prevent INVVPID failure due to non-canonical guest address - -While INVLPG (and on SVM INVLPGA) don't fault on non-canonical -addresses, INVVPID fails (in the "individual address" case) when passed -such an address. - -Since such intercepted INVLPG are effectively no-ops anyway, don't fix -this in vmx_invlpg_intercept(), but instead have paging_invlpg() never -return true in such a case. - -This is XSA-168. - -Signed-off-by: Jan Beulich <jbeulich@suse.com> -Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> -Acked-by: Ian Campbell <ian.campbell@citrix.com> - ---- a/xen/include/asm-x86/paging.h -+++ b/xen/include/asm-x86/paging.h -@@ -245,7 +245,7 @@ paging_fault(unsigned long va, struct cp - * or 0 if it's safe not to do so. */ - static inline int paging_invlpg(struct vcpu *v, unsigned long va) - { -- return paging_get_hostmode(v)->invlpg(v, va); -+ return is_canonical_address(va) && paging_get_hostmode(v)->invlpg(v, va); - } - - /* Translate a guest virtual address to the frame number that the |