#
--- a/arch/um/drivers/mconsole.h
+++ b/arch/um/drivers/mconsole.h
-@@ -85,6 +85,7 @@
+@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque
extern void mconsole_stop(struct mc_request *req);
extern void mconsole_go(struct mc_request *req);
extern void mconsole_log(struct mc_request *req);
#include <asm/uaccess.h>
#include <asm/switch_to.h>
-@@ -121,6 +123,59 @@
+@@ -121,6 +123,59 @@ void mconsole_log(struct mc_request *req
mconsole_reply(req, "", 0, 0);
}
void mconsole_proc(struct mc_request *req)
{
struct vfsmount *mnt = task_active_pid_ns(current)->proc_mnt;
-@@ -187,6 +242,7 @@
+@@ -187,6 +242,7 @@ void mconsole_proc(struct mc_request *re
stop - pause the UML; it will do nothing until it receives a 'go' \n\
go - continue the UML after a 'stop' \n\
log <string> - make UML enter <string> into the kernel log\n\
"
--- a/arch/um/drivers/mconsole_user.c
+++ b/arch/um/drivers/mconsole_user.c
-@@ -30,6 +30,7 @@
+@@ -30,6 +30,7 @@ static struct mconsole_command commands[
{ "stop", mconsole_stop, MCONSOLE_PROC },
{ "go", mconsole_go, MCONSOLE_INTR },
{ "log", mconsole_log, MCONSOLE_INTR },
};
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
-@@ -535,6 +535,8 @@
+@@ -535,6 +535,8 @@ int os_create_unix_socket(const char *fi
addr.sun_family = AF_UNIX;
err = bind(sock, (struct sockaddr *) &addr, sizeof(addr));
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
-@@ -62,6 +62,7 @@
+@@ -62,6 +62,7 @@ struct subprocess_info {
int wait;
int retval;
int (*init)(struct subprocess_info *info, struct cred *new);
void (*cleanup)(struct subprocess_info *info);
void *data;
};
-@@ -102,4 +103,6 @@
+@@ -102,4 +103,6 @@ extern int usermodehelper_read_trylock(v
extern long usermodehelper_read_lock_wait(long timeout);
extern void usermodehelper_read_unlock(void);
#include <asm/uaccess.h>
#include <trace/events/module.h>
-@@ -222,6 +223,28 @@
+@@ -222,6 +223,28 @@ static int call_usermodehelper_exec_asyn
flush_signal_handlers(current, 1);
spin_unlock_irq(¤t->sighand->siglock);
/*
* Our parent (unbound workqueue) runs with elevated scheduling
* priority. Avoid propagating that into the userspace child.
-@@ -540,6 +563,20 @@
+@@ -540,6 +563,20 @@ struct subprocess_info *call_usermodehel
}
EXPORT_SYMBOL(call_usermodehelper_setup);