diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-12-01 10:32:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-12-17 12:58:53 +0100 |
| commit | 0fd2e9c53d82704a3ba87ea1980ec515188c5316 (patch) | |
| tree | a828c396110053feba9e65307a4e802b00966519 /arch/x86/kernel/process_64.c | |
| parent | 1784f9144b143a1e8b19fe94083b040aa559182b (diff) | |
| parent | 1e4c4f610f774df6088d7c065b2dd4d22adba698 (diff) | |
| download | op-kernel-dev-0fd2e9c53d82704a3ba87ea1980ec515188c5316.zip op-kernel-dev-0fd2e9c53d82704a3ba87ea1980ec515188c5316.tar.gz | |
Merge commit 'upstream-x86-entry' into WIP.x86/mm
Pull in a minimal set of v4.15 entry code changes, for a base for the MM isolation patches.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 302e7b2..eeeb34f 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -274,7 +274,6 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long sp, struct inactive_task_frame *frame; struct task_struct *me = current; - p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE; childregs = task_pt_regs(p); fork_frame = container_of(childregs, struct fork_frame, regs); frame = &fork_frame->frame; @@ -464,8 +463,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) */ this_cpu_write(current_task, next_p); - /* Reload esp0 and ss1. This changes current_thread_info(). */ - load_sp0(tss, next); + /* Reload sp0. */ + update_sp0(next_p); /* * Now maybe reload the debug registers and handle I/O bitmaps |
