diff options
| author | Amanieu d'Antras <amanieu@gmail.com> | 2020-01-02 18:24:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-14 20:08:34 +0100 |
| commit | 0bdd4e601a9a7b0e80ab30ebcb7bea827b7c9871 (patch) | |
| tree | 6a8b333d09b16c2ccc1e7a69f6302271ab6afac6 /arch/parisc/kernel | |
| parent | ca7bbad38dd16cdb645a56984730e15f9850e9eb (diff) | |
parisc: Implement copy_thread_tls
commit d2f36c787b2181561d8b95814f8cdad64b348ad7 upstream.
This is required for clone3 which passes the TLS value through a
struct rather than a register.
Signed-off-by: Amanieu d'Antras <amanieu@gmail.com>
Cc: linux-parisc@vger.kernel.org
Cc: <stable@vger.kernel.org> # 5.3.x
Link: https://lore.kernel.org/r/20200102172413.654385-5-amanieu@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/process.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index ecc5c2771208..230a6422b99f 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -208,8 +208,8 @@ arch_initcall(parisc_idle_init); * Copy architecture-specific thread state */ int -copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long kthread_arg, struct task_struct *p) +copy_thread_tls(unsigned long clone_flags, unsigned long usp, + unsigned long kthread_arg, struct task_struct *p, unsigned long tls) { struct pt_regs *cregs = &(p->thread.regs); void *stack = task_stack_page(p); @@ -254,9 +254,9 @@ copy_thread(unsigned long clone_flags, unsigned long usp, cregs->ksp = (unsigned long)stack + THREAD_SZ_ALGN + FRAME_SIZE; cregs->kpc = (unsigned long) &child_return; - /* Setup thread TLS area from the 4th parameter in clone */ + /* Setup thread TLS area */ if (clone_flags & CLONE_SETTLS) - cregs->cr27 = cregs->gr[23]; + cregs->cr27 = tls; } return 0; |