[tip: timers/urgent] time/posix-stubs: Provide compat itimer supoprt for alpha

["tip-bot2 for Arnd Bergmann" <tip-bot2@linutronix.de>]

The following commit has been merged into the timers/urgent branch of tip:

Commit-ID:     f35deaff1b8eadb9897e4fb8b3edc7717f4ec6fa
Gitweb:        https://git.kernel.org/tip/f35deaff1b8eadb9897e4fb8b3edc7717f4ec6fa
Author:        Arnd Bergmann <arnd@arndb.de>
AuthorDate:    Sat, 07 Dec 2019 20:10:26 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 09 Jan 2020 18:20:23 +01:00

time/posix-stubs: Provide compat itimer supoprt for alpha

Using compat_sys_getitimer and compat_sys_setitimer on alpha
causes a link failure in the Alpha tinyconfig and other configurations
that turn off CONFIG_POSIX_TIMERS.

Use the same #ifdef check for the stub version as well.

Fixes: 4c22ea2b9120 ("y2038: use compat_{get,set}_itimer on alpha")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20191207191043.656328-1-arnd@arndb.de
---
 kernel/time/posix-stubs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/time/posix-stubs.c b/kernel/time/posix-stubs.c
index 67df65f..20c65a7 100644
--- a/kernel/time/posix-stubs.c
+++ b/kernel/time/posix-stubs.c
@@ -151,6 +151,9 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
 
 #ifdef CONFIG_COMPAT
 COMPAT_SYS_NI(timer_create);
+#endif
+
+#if defined(CONFIG_COMPAT) || defined(CONFIG_ALPHA)
 COMPAT_SYS_NI(getitimer);
 COMPAT_SYS_NI(setitimer);
 #endif