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| author | Ingo Molnar <mingo@kernel.org> | 2020-01-20 08:05:16 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-01-20 08:05:16 +0100 |
| commit | a786810cc864e31237a755b933e8872ba3e118bc (patch) | |
| tree | f94bd068691d03be00b582fd2fdabe7ccff0f044 /kernel/fork.c | |
| parent | 4444f8541dad16fefd9b8807ad1451e806ef1d94 (diff) | |
| parent | def9d2780727cec3313ed3522d0123158d87224d (diff) | |
| download | linux-stable-a786810cc864e31237a755b933e8872ba3e118bc.tar.gz linux-stable-a786810cc864e31237a755b933e8872ba3e118bc.tar.bz2 linux-stable-a786810cc864e31237a755b933e8872ba3e118bc.zip | |
Merge tag 'v5.5-rc7' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.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) |