Merge tag 'for-linus-20170825' of git://git.infradead.org/linux-mtd

[mirror_ubuntu-artful-kernel.git] / arch / arm64 / kernel / fpsimd.c

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 06da8ea16bbe5e150bb7330ab0049c7438b25f8d..c7b4995868e14d78216c4b06ce87476dfe8a4789 100644 (file)
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -161,9 +161,11 @@ void fpsimd_flush_thread(void)
 {
        if (!system_supports_fpsimd())
                return;
+       preempt_disable();
        memset(&current->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
        fpsimd_flush_task_state(current);
        set_thread_flag(TIF_FOREIGN_FPSTATE);
+       preempt_enable();
 }
 
 /*