stateify: convert all packages to use explicit mode.

PiperOrigin-RevId: 207007153
Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9

5 files changed, 9 insertions, 19 deletions

diff --git a/pkg/sentry/syscalls/linux/BUILD b/pkg/sentry/syscalls/linux/BUILD
index 574621ad2..e4450a093 100644
--- a/pkg/sentry/syscalls/linux/BUILD
+++ b/pkg/sentry/syscalls/linux/BUILD
@@ -1,18 +1,6 @@
 package(licenses = ["notice"])  # Apache 2.0
 
-load("//tools/go_stateify:defs.bzl", "go_library", "go_stateify")
-
-go_stateify(
-    name = "linux_state",
-    srcs = [
-        "sys_aio.go",
-        "sys_futex.go",
-        "sys_poll.go",
-        "sys_time.go",
-    ],
-    out = "linux_state.go",
-    package = "linux",
-)
+load("//tools/go_stateify:defs.bzl", "go_library")
 
 go_library(
     name = "linux",
@@ -20,7 +8,6 @@ go_library(
         "error.go",
         "flags.go",
         "linux64.go",
-        "linux_state.go",
         "sigset.go",
         "sys_aio.go",
         "sys_capability.go",
@@ -66,7 +53,6 @@ go_library(
         "//pkg/abi/linux",
         "//pkg/binary",
         "//pkg/bpf",
-        "//pkg/eventchannel",
         "//pkg/log",
         "//pkg/metric",
         "//pkg/rand",
@@ -74,7 +60,6 @@ go_library(
         "//pkg/sentry/context",
         "//pkg/sentry/fs",
         "//pkg/sentry/fs/anon",
-        "//pkg/sentry/fs/fsutil",
         "//pkg/sentry/fs/lock",
         "//pkg/sentry/fs/timerfd",
         "//pkg/sentry/kernel",
@@ -85,7 +70,6 @@ go_library(
         "//pkg/sentry/kernel/kdefs",
         "//pkg/sentry/kernel/pipe",
         "//pkg/sentry/kernel/sched",
-        "//pkg/sentry/kernel/semaphore",
         "//pkg/sentry/kernel/shm",
         "//pkg/sentry/kernel/time",
         "//pkg/sentry/limits",
@@ -97,8 +81,6 @@ go_library(
         "//pkg/sentry/syscalls",
         "//pkg/sentry/usage",
         "//pkg/sentry/usermem",
-        "//pkg/state",
-        "//pkg/syserr",
         "//pkg/syserror",
         "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
diff --git a/pkg/sentry/syscalls/linux/sys_aio.go b/pkg/sentry/syscalls/linux/sys_aio.go
index fc3397081..54e4afa9e 100644
--- a/pkg/sentry/syscalls/linux/sys_aio.go
+++ b/pkg/sentry/syscalls/linux/sys_aio.go
@@ -69,6 +69,8 @@ type ioCallback struct {
 }
 
 // ioEvent describes an I/O result.
+//
+// +stateify savable
 type ioEvent struct {
 	Data    uint64
 	Obj     uint64
diff --git a/pkg/sentry/syscalls/linux/sys_futex.go b/pkg/sentry/syscalls/linux/sys_futex.go
index 57762d058..1a0e1f5fb 100644
--- a/pkg/sentry/syscalls/linux/sys_futex.go
+++ b/pkg/sentry/syscalls/linux/sys_futex.go
@@ -132,6 +132,8 @@ func (f futexChecker) Op(addr uintptr, opIn uint32) (bool, error) {
 
 // futexWaitRestartBlock encapsulates the state required to restart futex(2)
 // via restart_syscall(2).
+//
+// +stateify savable
 type futexWaitRestartBlock struct {
 	duration time.Duration
 
diff --git a/pkg/sentry/syscalls/linux/sys_poll.go b/pkg/sentry/syscalls/linux/sys_poll.go
index d4dbfd285..b9bdefadb 100644
--- a/pkg/sentry/syscalls/linux/sys_poll.go
+++ b/pkg/sentry/syscalls/linux/sys_poll.go
@@ -274,6 +274,8 @@ func copyOutTimevalRemaining(t *kernel.Task, startNs ktime.Time, timeout time.Du
 
 // pollRestartBlock encapsulates the state required to restart poll(2) via
 // restart_syscall(2).
+//
+// +stateify savable
 type pollRestartBlock struct {
 	pfdAddr usermem.Addr
 	nfds    uint
diff --git a/pkg/sentry/syscalls/linux/sys_time.go b/pkg/sentry/syscalls/linux/sys_time.go
index dcee694b2..8e6683444 100644
--- a/pkg/sentry/syscalls/linux/sys_time.go
+++ b/pkg/sentry/syscalls/linux/sys_time.go
@@ -168,6 +168,8 @@ func Time(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallC
 
 // clockNanosleepRestartBlock encapsulates the state required to restart
 // clock_nanosleep(2) via restart_syscall(2).
+//
+// +stateify savable
 type clockNanosleepRestartBlock struct {
 	c        ktime.Clock
 	duration time.Duration