[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [V2 PATCH 9/9] x86/hvm: pkeys, add pkeys support for gva2gfn funcitons
This patch adds pkeys support for gva2gfn funcitons. Signed-off-by: Huaitong Han <huaitong.han@xxxxxxxxx> --- xen/arch/x86/hvm/hvm.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 0103bcb..b28d104 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -4304,7 +4304,8 @@ static enum hvm_copy_result __hvm_clear(paddr_t addr, int size) p2m_type_t p2mt; char *p; int count, todo = size; - uint32_t pfec = PFEC_page_present | PFEC_write_access; + uint32_t pfec = PFEC_page_present | PFEC_write_access | + hvm_pku_enabled(curr) ? PFEC_prot_key : 0; /* * XXX Disable for 4.1.0: PV-on-HVM drivers will do grant-table ops @@ -4405,7 +4406,8 @@ enum hvm_copy_result hvm_copy_to_guest_virt( { return __hvm_copy(buf, vaddr, size, HVMCOPY_to_guest | HVMCOPY_fault | HVMCOPY_virt, - PFEC_page_present | PFEC_write_access | pfec); + PFEC_page_present | PFEC_write_access | pfec | + hvm_pku_enabled(current) ? PFEC_prot_key : 0); } enum hvm_copy_result hvm_copy_from_guest_virt( @@ -4413,7 +4415,8 @@ enum hvm_copy_result hvm_copy_from_guest_virt( { return __hvm_copy(buf, vaddr, size, HVMCOPY_from_guest | HVMCOPY_fault | HVMCOPY_virt, - PFEC_page_present | pfec); + PFEC_page_present | pfec | + hvm_pku_enabled(current) ? PFEC_prot_key : 0); } enum hvm_copy_result hvm_fetch_from_guest_virt( @@ -4431,7 +4434,8 @@ enum hvm_copy_result hvm_copy_to_guest_virt_nofault( { return __hvm_copy(buf, vaddr, size, HVMCOPY_to_guest | HVMCOPY_no_fault | HVMCOPY_virt, - PFEC_page_present | PFEC_write_access | pfec); + PFEC_page_present | PFEC_write_access | pfec | + hvm_pku_enabled(current) ? PFEC_prot_key : 0); } enum hvm_copy_result hvm_copy_from_guest_virt_nofault( @@ -4439,7 +4443,8 @@ enum hvm_copy_result hvm_copy_from_guest_virt_nofault( { return __hvm_copy(buf, vaddr, size, HVMCOPY_from_guest | HVMCOPY_no_fault | HVMCOPY_virt, - PFEC_page_present | pfec); + PFEC_page_present | pfec | + hvm_pku_enabled(current) ? PFEC_prot_key : 0); } enum hvm_copy_result hvm_fetch_from_guest_virt_nofault( -- 2.4.3 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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