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authorThomas Gleixner <tglx@linutronix.de>2017-11-14 12:01:49 +0300
committerThomas Gleixner <tglx@linutronix.de>2017-11-14 12:01:49 +0300
commitd4bfeabe9ff7967f4b8c24aabf2de1ce3a909cd9 (patch)
tree6b419b8497c7d57ddec20a3558697ef36ea37b11 /arch/x86/kernel/process_32.c
parent8a7a8e1eab929eb3a5b735a788a23b9731139046 (diff)
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
downloadlinux-d4bfeabe9ff7967f4b8c24aabf2de1ce3a909cd9.tar.xz
Merge branch 'linus' into timers/urgent
Get upstream changes so dependent patches can be applied.
Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 11966251cd42..45bf0c5f93e1 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -284,9 +284,11 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
/*
* Reload esp0 and cpu_current_top_of_stack. This changes
- * current_thread_info().
+ * current_thread_info(). Refresh the SYSENTER configuration in
+ * case prev or next is vm86.
*/
- load_sp0(tss, next);
+ update_sp0(next_p);
+ refresh_sysenter_cs(next);
this_cpu_write(cpu_current_top_of_stack,
(unsigned long)task_stack_page(next_p) +
THREAD_SIZE);