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Merge branch 'x86/core' into core/percpu

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This commit is contained in:
Ingo Molnar
2009-03-04 02:29:19 +01:00
parent 9976b39b50 8b0e5860cb
commit 91d75e209b
373 changed files with 14129 additions and 3200 deletions
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7
kernel/seccomp.c
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@@ -8,6 +8,7 @@
#include <linux/seccomp.h>
#include <linux/sched.h>
#include <linux/compat.h>
/* #define SECCOMP_DEBUG 1 */
#define NR_SECCOMP_MODES 1
@@ -22,7 +23,7 @@ static int mode1_syscalls[] = {
0, /* null terminated */
};
#ifdef TIF_32BIT
#ifdef CONFIG_COMPAT
static int mode1_syscalls_32[] = {
__NR_seccomp_read_32, __NR_seccomp_write_32, __NR_seccomp_exit_32, __NR_seccomp_sigreturn_32,
0, /* null terminated */
@@ -37,8 +38,8 @@ void __secure_computing(int this_syscall)
switch (mode) {
case 1:
syscall = mode1_syscalls;
#ifdef TIF_32BIT
if (test_thread_flag(TIF_32BIT))
#ifdef CONFIG_COMPAT
if (is_compat_task())
syscall = mode1_syscalls_32;
#endif
do {

21
kernel/user_namespace.c
View File

@@ -60,12 +60,25 @@ int create_user_ns(struct cred *new)
return 0;
}
void free_user_ns(struct kref *kref)
/*
* Deferred destructor for a user namespace. This is required because
* free_user_ns() may be called with uidhash_lock held, but we need to call
* back to free_uid() which will want to take the lock again.
*/
static void free_user_ns_work(struct work_struct *work)
{
struct user_namespace *ns;
ns = container_of(kref, struct user_namespace, kref);
struct user_namespace *ns =
container_of(work, struct user_namespace, destroyer);
free_uid(ns->creator);
kfree(ns);
}
void free_user_ns(struct kref *kref)
{
struct user_namespace *ns =
container_of(kref, struct user_namespace, kref);
INIT_WORK(&ns->destroyer, free_user_ns_work);
schedule_work(&ns->destroyer);
}
EXPORT_SYMBOL(free_user_ns);