Merge release-20210322.0-29-g8a2f7e716 (automated)

4 files changed, 20 insertions, 20 deletions

diff --git a/pkg/ring0/pagetables/allocator_unsafe.go b/pkg/ring0/pagetables/allocator_unsafe.go
index d08bfdeb3..191d0942b 100644
--- a/pkg/ring0/pagetables/allocator_unsafe.go
+++ b/pkg/ring0/pagetables/allocator_unsafe.go
@@ -17,23 +17,23 @@ package pagetables
 import (
 	"unsafe"
 
-	"gvisor.dev/gvisor/pkg/usermem"
+	"gvisor.dev/gvisor/pkg/hostarch"
 )
 
 // newAlignedPTEs returns a set of aligned PTEs.
 func newAlignedPTEs() *PTEs {
 	ptes := new(PTEs)
-	offset := physicalFor(ptes) & (usermem.PageSize - 1)
+	offset := physicalFor(ptes) & (hostarch.PageSize - 1)
 	if offset == 0 {
 		// Already aligned.
 		return ptes
 	}
 
 	// Need to force an aligned allocation.
-	unaligned := make([]byte, (2*usermem.PageSize)-1)
-	offset = uintptr(unsafe.Pointer(&unaligned[0])) & (usermem.PageSize - 1)
+	unaligned := make([]byte, (2*hostarch.PageSize)-1)
+	offset = uintptr(unsafe.Pointer(&unaligned[0])) & (hostarch.PageSize - 1)
 	if offset != 0 {
-		offset = usermem.PageSize - offset
+		offset = hostarch.PageSize - offset
 	}
 	return (*PTEs)(unsafe.Pointer(&unaligned[offset]))
 }
diff --git a/pkg/ring0/pagetables/pagetables.go b/pkg/ring0/pagetables/pagetables.go
index 8c0a6aa82..3f17fba49 100644
--- a/pkg/ring0/pagetables/pagetables.go
+++ b/pkg/ring0/pagetables/pagetables.go
@@ -21,7 +21,7 @@
 package pagetables
 
 import (
-	"gvisor.dev/gvisor/pkg/usermem"
+	"gvisor.dev/gvisor/pkg/hostarch"
 )
 
 // PageTables is a set of page tables.
@@ -142,7 +142,7 @@ func (*mapVisitor) requiresSplit() bool { return true }
 //
 // +checkescape:hard,stack
 //go:nosplit
-func (p *PageTables) Map(addr usermem.Addr, length uintptr, opts MapOpts, physical uintptr) bool {
+func (p *PageTables) Map(addr hostarch.Addr, length uintptr, opts MapOpts, physical uintptr) bool {
 	if p.readOnlyShared {
 		panic("Should not modify read-only shared pagetables.")
 	}
@@ -198,7 +198,7 @@ func (v *unmapVisitor) visit(start uintptr, pte *PTE, align uintptr) bool {
 //
 // +checkescape:hard,stack
 //go:nosplit
-func (p *PageTables) Unmap(addr usermem.Addr, length uintptr) bool {
+func (p *PageTables) Unmap(addr hostarch.Addr, length uintptr) bool {
 	if p.readOnlyShared {
 		panic("Should not modify read-only shared pagetables.")
 	}
@@ -249,7 +249,7 @@ func (v *emptyVisitor) visit(start uintptr, pte *PTE, align uintptr) bool {
 //
 // +checkescape:hard,stack
 //go:nosplit
-func (p *PageTables) IsEmpty(addr usermem.Addr, length uintptr) bool {
+func (p *PageTables) IsEmpty(addr hostarch.Addr, length uintptr) bool {
 	w := emptyWalker{
 		pageTables: p,
 	}
@@ -298,9 +298,9 @@ func (*lookupVisitor) requiresSplit() bool { return false }
 //
 // +checkescape:hard,stack
 //go:nosplit
-func (p *PageTables) Lookup(addr usermem.Addr, findFirst bool) (virtual usermem.Addr, physical, size uintptr, opts MapOpts) {
-	mask := uintptr(usermem.PageSize - 1)
-	addr &^= usermem.Addr(mask)
+func (p *PageTables) Lookup(addr hostarch.Addr, findFirst bool) (virtual hostarch.Addr, physical, size uintptr, opts MapOpts) {
+	mask := uintptr(hostarch.PageSize - 1)
+	addr &^= hostarch.Addr(mask)
 	w := lookupWalker{
 		pageTables: p,
 		visitor: lookupVisitor{
@@ -308,12 +308,12 @@ func (p *PageTables) Lookup(addr usermem.Addr, findFirst bool) (virtual usermem.
 			findFirst: findFirst,
 		},
 	}
-	end := ^usermem.Addr(0) &^ usermem.Addr(mask)
+	end := ^hostarch.Addr(0) &^ hostarch.Addr(mask)
 	if !findFirst {
 		end = addr + 1
 	}
 	w.iterateRange(uintptr(addr), uintptr(end))
-	return usermem.Addr(w.visitor.target), w.visitor.physical, w.visitor.size, w.visitor.opts
+	return hostarch.Addr(w.visitor.target), w.visitor.physical, w.visitor.size, w.visitor.opts
 }
 
 // MarkReadOnlyShared marks the pagetables read-only and can be shared.
diff --git a/pkg/ring0/pagetables/pagetables_aarch64.go b/pkg/ring0/pagetables/pagetables_aarch64.go
index 163a3aea3..86eb00a4f 100644
--- a/pkg/ring0/pagetables/pagetables_aarch64.go
+++ b/pkg/ring0/pagetables/pagetables_aarch64.go
@@ -19,7 +19,7 @@ package pagetables
 import (
 	"sync/atomic"
 
-	"gvisor.dev/gvisor/pkg/usermem"
+	"gvisor.dev/gvisor/pkg/hostarch"
 )
 
 // archPageTables is architecture-specific data.
@@ -85,7 +85,7 @@ const (
 // MapOpts are x86 options.
 type MapOpts struct {
 	// AccessType defines permissions.
-	AccessType usermem.AccessType
+	AccessType hostarch.AccessType
 
 	// Global indicates the page is globally accessible.
 	Global bool
@@ -120,7 +120,7 @@ func (p *PTE) Opts() MapOpts {
 	v := atomic.LoadUintptr((*uintptr)(p))
 
 	return MapOpts{
-		AccessType: usermem.AccessType{
+		AccessType: hostarch.AccessType{
 			Read:    true,
 			Write:   v&readOnly == 0,
 			Execute: v&xn == 0,
diff --git a/pkg/ring0/pagetables/pagetables_x86.go b/pkg/ring0/pagetables/pagetables_x86.go
index 32edd2f0a..e43698173 100644
--- a/pkg/ring0/pagetables/pagetables_x86.go
+++ b/pkg/ring0/pagetables/pagetables_x86.go
@@ -19,7 +19,7 @@ package pagetables
 import (
 	"sync/atomic"
 
-	"gvisor.dev/gvisor/pkg/usermem"
+	"gvisor.dev/gvisor/pkg/hostarch"
 )
 
 // archPageTables is architecture-specific data.
@@ -63,7 +63,7 @@ const (
 // MapOpts are x86 options.
 type MapOpts struct {
 	// AccessType defines permissions.
-	AccessType usermem.AccessType
+	AccessType hostarch.AccessType
 
 	// Global indicates the page is globally accessible.
 	Global bool
@@ -97,7 +97,7 @@ func (p *PTE) Valid() bool {
 func (p *PTE) Opts() MapOpts {
 	v := atomic.LoadUintptr((*uintptr)(p))
 	return MapOpts{
-		AccessType: usermem.AccessType{
+		AccessType: hostarch.AccessType{
 			Read:    v&present != 0,
 			Write:   v&writable != 0,
 			Execute: v&executeDisable == 0,