On Wed, 2023-12-13 at 17:03 +0800, Kevin Hao wrote:
> A freezable kernel thread can enter frozen state during freezing by
> either calling try_to_freeze() or using wait_event_freezable() and its
> variants. However, there is no need to use both methods simultaneously.
>
> Signed-off-by: Kevin Hao <haokexin@xxxxxxxxx>
> Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
> Cc: Pavel Machek <pavel@xxxxxx>
> ---
> arch/x86/kernel/cpu/sgx/main.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
> index 166692f2d501..318165b3ff78 100644
> --- a/arch/x86/kernel/cpu/sgx/main.c
> +++ b/arch/x86/kernel/cpu/sgx/main.c
> @@ -404,9 +404,6 @@ static int ksgxd(void *p)
> WARN_ON(__sgx_sanitize_pages(&sgx_dirty_page_list));
>
> while (!kthread_should_stop()) {
> - if (try_to_freeze())
> - continue;
> -
> wait_event_freezable(ksgxd_waitq,
> kthread_should_stop() ||
> sgx_should_reclaim(SGX_NR_HIGH_PAGES));
Reviewed-by: Kai Huang <kai.huang@xxxxxxxxx>
