diff options
| author | Tiwei Bie <tiwei.btw@antgroup.com> | 2024-08-26 18:08:11 +0800 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2024-09-12 20:35:35 +0200 |
| commit | 94090f418fc80c50ca7ea3f8a6d7ff547260a801 (patch) | |
| tree | 5988fd6314ef1f9e25d40f8140d482ac370c141b | |
| parent | 669afa4e8715c5730fb353166f9aaaa14d4fed64 (diff) | |
| download | lwn-94090f418fc80c50ca7ea3f8a6d7ff547260a801.tar.gz lwn-94090f418fc80c50ca7ea3f8a6d7ff547260a801.zip | |
um: Remove unused fields from thread_struct
These fields are no longer used since the removal of tt mode.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | arch/um/include/asm/processor-generic.h | 20 | ||||
| -rw-r--r-- | arch/um/kernel/process.c | 8 | ||||
| -rw-r--r-- | arch/um/kernel/skas/process.c | 4 |
3 files changed, 11 insertions, 21 deletions
diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h index 5a7c05275aa7..bce4595798da 100644 --- a/arch/um/include/asm/processor-generic.h +++ b/arch/um/include/asm/processor-generic.h @@ -28,20 +28,10 @@ struct thread_struct { struct arch_thread arch; jmp_buf switch_buf; struct { - int op; - union { - struct { - int pid; - } fork, exec; - struct { - int (*proc)(void *); - void *arg; - } thread; - struct { - void (*proc)(void *); - void *arg; - } cb; - } u; + struct { + int (*proc)(void *); + void *arg; + } thread; } request; }; @@ -51,7 +41,7 @@ struct thread_struct { .fault_addr = NULL, \ .prev_sched = NULL, \ .arch = INIT_ARCH_THREAD, \ - .request = { 0 } \ + .request = { } \ } /* diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index f36b63f53bab..be2856af6d4c 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -109,8 +109,8 @@ void new_thread_handler(void) schedule_tail(current->thread.prev_sched); current->thread.prev_sched = NULL; - fn = current->thread.request.u.thread.proc; - arg = current->thread.request.u.thread.arg; + fn = current->thread.request.thread.proc; + arg = current->thread.request.thread.arg; /* * callback returns only if the kernel thread execs a process @@ -158,8 +158,8 @@ int copy_thread(struct task_struct * p, const struct kernel_clone_args *args) arch_copy_thread(¤t->thread.arch, &p->thread.arch); } else { get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp); - p->thread.request.u.thread.proc = args->fn; - p->thread.request.u.thread.arg = args->fn_arg; + p->thread.request.thread.proc = args->fn; + p->thread.request.thread.arg = args->fn_arg; handler = new_thread_handler; } diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c index 5f9c1c5f36e2..68657988c8d1 100644 --- a/arch/um/kernel/skas/process.c +++ b/arch/um/kernel/skas/process.c @@ -39,8 +39,8 @@ int __init start_uml(void) init_new_thread_signals(); - init_task.thread.request.u.thread.proc = start_kernel_proc; - init_task.thread.request.u.thread.arg = NULL; + init_task.thread.request.thread.proc = start_kernel_proc; + init_task.thread.request.thread.arg = NULL; return start_idle_thread(task_stack_page(&init_task), &init_task.thread.switch_buf); } |