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-rw-r--r--pkg/sentry/mm/BUILD2
-rw-r--r--pkg/sentry/mm/aio_context.go3
-rw-r--r--pkg/sentry/mm/mm.go8
-rw-r--r--pkg/sentry/mm/procfs.go12
4 files changed, 5 insertions, 20 deletions
diff --git a/pkg/sentry/mm/BUILD b/pkg/sentry/mm/BUILD
index 839931f67..83e248431 100644
--- a/pkg/sentry/mm/BUILD
+++ b/pkg/sentry/mm/BUILD
@@ -118,7 +118,7 @@ go_library(
"//pkg/sentry/safemem",
"//pkg/sentry/usage",
"//pkg/sentry/usermem",
- "//pkg/syncutil",
+ "//pkg/sync",
"//pkg/syserror",
"//pkg/tcpip/buffer",
],
diff --git a/pkg/sentry/mm/aio_context.go b/pkg/sentry/mm/aio_context.go
index 1b746d030..4b48866ad 100644
--- a/pkg/sentry/mm/aio_context.go
+++ b/pkg/sentry/mm/aio_context.go
@@ -15,8 +15,6 @@
package mm
import (
- "sync"
-
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/refs"
"gvisor.dev/gvisor/pkg/sentry/context"
@@ -25,6 +23,7 @@ import (
"gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sentry/usage"
"gvisor.dev/gvisor/pkg/sentry/usermem"
+ "gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/syserror"
)
diff --git a/pkg/sentry/mm/mm.go b/pkg/sentry/mm/mm.go
index 58a5c186d..fa86ebced 100644
--- a/pkg/sentry/mm/mm.go
+++ b/pkg/sentry/mm/mm.go
@@ -35,8 +35,6 @@
package mm
import (
- "sync"
-
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/fs"
"gvisor.dev/gvisor/pkg/sentry/memmap"
@@ -44,7 +42,7 @@ import (
"gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sentry/safemem"
"gvisor.dev/gvisor/pkg/sentry/usermem"
- "gvisor.dev/gvisor/pkg/syncutil"
+ "gvisor.dev/gvisor/pkg/sync"
)
// MemoryManager implements a virtual address space.
@@ -82,7 +80,7 @@ type MemoryManager struct {
users int32
// mappingMu is analogous to Linux's struct mm_struct::mmap_sem.
- mappingMu syncutil.DowngradableRWMutex `state:"nosave"`
+ mappingMu sync.DowngradableRWMutex `state:"nosave"`
// vmas stores virtual memory areas. Since vmas are stored by value,
// clients should usually use vmaIterator.ValuePtr() instead of
@@ -125,7 +123,7 @@ type MemoryManager struct {
// activeMu is loosely analogous to Linux's struct
// mm_struct::page_table_lock.
- activeMu syncutil.DowngradableRWMutex `state:"nosave"`
+ activeMu sync.DowngradableRWMutex `state:"nosave"`
// pmas stores platform mapping areas used to implement vmas. Since pmas
// are stored by value, clients should usually use pmaIterator.ValuePtr()
diff --git a/pkg/sentry/mm/procfs.go b/pkg/sentry/mm/procfs.go
index 8c2246bb4..79610acb7 100644
--- a/pkg/sentry/mm/procfs.go
+++ b/pkg/sentry/mm/procfs.go
@@ -66,8 +66,6 @@ func (mm *MemoryManager) ReadMapsDataInto(ctx context.Context, buf *bytes.Buffer
var start usermem.Addr
for vseg := mm.vmas.LowerBoundSegment(start); vseg.Ok(); vseg = vseg.NextSegment() {
- // FIXME(b/30793614): If we use a usermem.Addr for the handle, we get
- // "panic: autosave error: type usermem.Addr is not registered".
mm.appendVMAMapsEntryLocked(ctx, vseg, buf)
}
@@ -81,7 +79,6 @@ func (mm *MemoryManager) ReadMapsDataInto(ctx context.Context, buf *bytes.Buffer
//
// Artifically adjust the seqfile handle so we only output vsyscall entry once.
if start != vsyscallEnd {
- // FIXME(b/30793614): Can't get a pointer to constant vsyscallEnd.
buf.WriteString(vsyscallMapsEntry)
}
}
@@ -97,8 +94,6 @@ func (mm *MemoryManager) ReadMapsSeqFileData(ctx context.Context, handle seqfile
start = *handle.(*usermem.Addr)
}
for vseg := mm.vmas.LowerBoundSegment(start); vseg.Ok(); vseg = vseg.NextSegment() {
- // FIXME(b/30793614): If we use a usermem.Addr for the handle, we get
- // "panic: autosave error: type usermem.Addr is not registered".
vmaAddr := vseg.End()
data = append(data, seqfile.SeqData{
Buf: mm.vmaMapsEntryLocked(ctx, vseg),
@@ -116,7 +111,6 @@ func (mm *MemoryManager) ReadMapsSeqFileData(ctx context.Context, handle seqfile
//
// Artifically adjust the seqfile handle so we only output vsyscall entry once.
if start != vsyscallEnd {
- // FIXME(b/30793614): Can't get a pointer to constant vsyscallEnd.
vmaAddr := vsyscallEnd
data = append(data, seqfile.SeqData{
Buf: []byte(vsyscallMapsEntry),
@@ -187,15 +181,12 @@ func (mm *MemoryManager) ReadSmapsDataInto(ctx context.Context, buf *bytes.Buffe
var start usermem.Addr
for vseg := mm.vmas.LowerBoundSegment(start); vseg.Ok(); vseg = vseg.NextSegment() {
- // FIXME(b/30793614): If we use a usermem.Addr for the handle, we get
- // "panic: autosave error: type usermem.Addr is not registered".
mm.vmaSmapsEntryIntoLocked(ctx, vseg, buf)
}
// We always emulate vsyscall, so advertise it here. See
// ReadMapsSeqFileData for additional commentary.
if start != vsyscallEnd {
- // FIXME(b/30793614): Can't get a pointer to constant vsyscallEnd.
buf.WriteString(vsyscallSmapsEntry)
}
}
@@ -211,8 +202,6 @@ func (mm *MemoryManager) ReadSmapsSeqFileData(ctx context.Context, handle seqfil
start = *handle.(*usermem.Addr)
}
for vseg := mm.vmas.LowerBoundSegment(start); vseg.Ok(); vseg = vseg.NextSegment() {
- // FIXME(b/30793614): If we use a usermem.Addr for the handle, we get
- // "panic: autosave error: type usermem.Addr is not registered".
vmaAddr := vseg.End()
data = append(data, seqfile.SeqData{
Buf: mm.vmaSmapsEntryLocked(ctx, vseg),
@@ -223,7 +212,6 @@ func (mm *MemoryManager) ReadSmapsSeqFileData(ctx context.Context, handle seqfil
// We always emulate vsyscall, so advertise it here. See
// ReadMapsSeqFileData for additional commentary.
if start != vsyscallEnd {
- // FIXME(b/30793614): Can't get a pointer to constant vsyscallEnd.
vmaAddr := vsyscallEnd
data = append(data, seqfile.SeqData{
Buf: []byte(vsyscallSmapsEntry),