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authorAmanieu d'Antras2020-01-04 13:39:30 +0100
committerChristian Brauner2020-01-07 13:31:29 +0100
commit457677c70c7672a4586b0b8abc396cc1ecdd376d (patch)
tree85e77ee4b63a05b0cc65d430110952512253b7d4 /arch/um/kernel
parentdd499f7a7e34270208350a849ef103c0b3ae477f (diff)
um: Implement copy_thread_tls
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-um@lists.infradead.org Cc: <stable@vger.kernel.org> # 5.3.x Link: https://lore.kernel.org/r/20200104123928.1048822-1-amanieu@gmail.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'arch/um/kernel')
-rw-r--r--arch/um/kernel/process.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 263a8f069133..17045e7211bf 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -153,8 +153,8 @@ void fork_handler(void)
userspace(&current->thread.regs.regs, current_thread_info()->aux_fp_regs);
}
-int copy_thread(unsigned long clone_flags, unsigned long sp,
- unsigned long arg, struct task_struct * p)
+int copy_thread_tls(unsigned long clone_flags, unsigned long sp,
+ unsigned long arg, struct task_struct * p, unsigned long tls)
{
void (*handler)(void);
int kthread = current->flags & PF_KTHREAD;
@@ -188,7 +188,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
* Set a new TLS for the child thread?
*/
if (clone_flags & CLONE_SETTLS)
- ret = arch_copy_tls(p);
+ ret = arch_set_tls(p, tls);
}
return ret;