This fixes 731e33e39a5b95ad770 "Remove FSBASE/GSBASE < 4G optimization"
Signed-off-by: Mateusz Guzik <mgu...@redhat.com> --- arch/x86/kernel/process_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 4285f6a..6b16c36 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -541,6 +541,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) load_gs_index(0); ret = wrmsrl_safe(MSR_KERNEL_GS_BASE, addr); } + put_cpu(); break; case ARCH_SET_FS: /* Not strictly needed for fs, but do it for symmetry -- 1.8.3.1