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author | James Morris <james.l.morris@oracle.com> | 2017-12-11 17:01:08 +1100 |
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committer | James Morris <james.l.morris@oracle.com> | 2017-12-11 17:01:08 +1100 |
commit | d21bd6898336a7892914d308d5e0868f0b863571 (patch) | |
tree | f5f756c25348b5a6c1ce9ddbaa7d1ecd1bef40b0 /arch/x86/entry/common.c | |
parent | 34d8751fd4ffa34e85ee7e85d34168b3f3f62b42 (diff) | |
parent | 50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff) |
Sync to v4.15-rc3 for security subsystem developers to work against.
Diffstat (limited to 'arch/x86/entry/common.c')
-rw-r--r-- | arch/x86/entry/common.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 03505ffbe1b6..d7d3cc24baf4 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -75,7 +75,7 @@ static long syscall_trace_enter(struct pt_regs *regs) if (IS_ENABLED(CONFIG_DEBUG_ENTRY)) BUG_ON(regs != task_pt_regs(current)); - work = ACCESS_ONCE(ti->flags) & _TIF_WORK_SYSCALL_ENTRY; + work = READ_ONCE(ti->flags) & _TIF_WORK_SYSCALL_ENTRY; if (unlikely(work & _TIF_SYSCALL_EMU)) emulated = true; @@ -186,9 +186,7 @@ __visible inline void prepare_exit_to_usermode(struct pt_regs *regs) addr_limit_user_check(); - if (IS_ENABLED(CONFIG_PROVE_LOCKING) && WARN_ON(!irqs_disabled())) - local_irq_disable(); - + lockdep_assert_irqs_disabled(); lockdep_sys_exit(); cached_flags = READ_ONCE(ti->flags); |