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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-13 12:13:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-13 12:13:05 +0100 |
| commit | a6184f8e0bb1ba8b444836926cd6967ea176fd31 (patch) | |
| tree | 34a580e0122747087740436055e834f295b414e4 /kernel/fork.c | |
| parent | 477b8383100023ea0769979cff67e9be3a720397 (diff) | |
| parent | b3a987b0264d3ddbb24293ebff10eddfc472f653 (diff) | |
Merge 5.5-rc6 into tty-next
We need the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 2508a4f238a3..080809560072 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -2578,6 +2578,16 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp, #endif #ifdef __ARCH_WANT_SYS_CLONE3 + +/* + * copy_thread implementations handle CLONE_SETTLS by reading the TLS value from + * the registers containing the syscall arguments for clone. This doesn't work + * with clone3 since the TLS value is passed in clone_args instead. + */ +#ifndef CONFIG_HAVE_COPY_THREAD_TLS +#error clone3 requires copy_thread_tls support in arch +#endif + noinline static int copy_clone_args_from_user(struct kernel_clone_args *kargs, struct clone_args __user *uargs, size_t usize) |