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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-12-29 13:32:32 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-12-29 13:32:32 +0000 |
| commit | 723c9ab1672104e9eed440b4204d7a195858b4e4 (patch) | |
| tree | 46c83ab94a46826ca25fcd6fa15e0b51e56fbb62 | |
| parent | cfbcb394f99384e1ca2d382d7ba52292b5af32ca (diff) | |
| download | xen-723c9ab1672104e9eed440b4204d7a195858b4e4.tar.gz xen-723c9ab1672104e9eed440b4204d7a195858b4e4.tar.bz2 xen-723c9ab1672104e9eed440b4204d7a195858b4e4.zip | |
x86: Do not restrict 32-bit EPT to 4GB.
Signed-off-by: Xin, Xiaohui <xiaohui.xin@intel.com>
| -rw-r--r-- | xen/arch/x86/mm/p2m.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c index d32498092e..72f470dcf1 100644 --- a/xen/arch/x86/mm/p2m.c +++ b/xen/arch/x86/mm/p2m.c @@ -935,11 +935,12 @@ guest_physmap_add_entry(struct domain *d, unsigned long gfn, #if CONFIG_PAGING_LEVELS == 3 /* - * 32bit PAE nested paging does not support over 4GB guest due to + * 32bit AMD nested paging does not support over 4GB guest due to * hardware translation limit. This limitation is checked by comparing * gfn with 0xfffffUL. */ - if ( paging_mode_hap(d) && (gfn > 0xfffffUL) ) + if ( paging_mode_hap(d) && (gfn > 0xfffffUL) && + (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) ) { if ( !test_and_set_bool(d->arch.hvm_domain.svm.npt_4gb_warning) ) dprintk(XENLOG_WARNING, "Dom%d failed to populate memory beyond" |