diff options
| author | Tiwei Bie <tiwei.btw@antgroup.com> | 2025-07-11 14:50:21 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-07-13 19:42:49 +0200 |
| commit | f7e9077a1649877d4b33ce91d58711d393a63c1b (patch) | |
| tree | 792e1b7cd7bb2c70979090c1aaacf9a853c81230 /arch/um/kernel | |
| parent | b3fb0eb5c28766e3768f9f5b2968d33da00c4cea (diff) | |
um: Stop tracking stub's PID via userspace_pid[]
The PID of the stub process can be obtained from current_mm_id().
There is no need to track it via userspace_pid[]. Stop doing that
to simplify the code.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250711065021.2535362-4-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/um/kernel')
| -rw-r--r-- | arch/um/kernel/exec.c | 2 | ||||
| -rw-r--r-- | arch/um/kernel/skas/process.c | 2 |
2 files changed, 0 insertions, 4 deletions
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index cb8b5cd9285c..13812fa97eee 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -26,8 +26,6 @@ void flush_thread(void) get_safe_registers(current_pt_regs()->regs.gp, current_pt_regs()->regs.fp); - - __switch_mm(¤t->mm->context.id); } void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c index 05dcdc057af9..5881b17eb987 100644 --- a/arch/um/kernel/skas/process.c +++ b/arch/um/kernel/skas/process.c @@ -26,8 +26,6 @@ static int __init start_kernel_proc(void *unused) return 0; } -extern int userspace_pid[]; - static char cpu0_irqstack[THREAD_SIZE] __aligned(THREAD_SIZE); int __init start_uml(void) |