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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-29 09:11:24 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-29 09:11:24 +0300 |
| commit | 4fc31ba13d052c2933bf91095c063cf9a39effd0 (patch) | |
| tree | beabb73c2fe245e6541126732895da62e55bc8ee /arch/x86/kernel/process_32.c | |
| parent | 0e18dd12064e07519f7cbff4149ca7fff620cbed (diff) | |
| parent | b29c6ef7bb1257853c1e31616d84f55e561cf631 (diff) | |
| download | linux-4fc31ba13d052c2933bf91095c063cf9a39effd0.tar.xz | |
Merge branch 'linus' into perf/urgent, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 6 |
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); |