wireguard-linux/arch/nds32/kernel/vdso.c, branch jd/unified-crypt-queueWireGuard for the Linux kernelhttps://git.zx2c4.com/wireguard-linux/atom/arch/nds32/kernel/vdso.c?h=jd%2Funified-crypt-queue2019-05-16T07:07:08Znds32: Fix vDSO clock_getres()2019-05-16T07:07:08ZVincenzo Frascinovincenzo.frascino@arm.com2019-04-01T11:51:51Zurn:sha1:af9abd65983cf3602c03ef3d16fe549ba1f3eeed
clock_getres in the vDSO library has to preserve the same behaviour
of posix_get_hrtimer_res().
In particular, posix_get_hrtimer_res() does:
sec = 0;
ns = hrtimer_resolution;
and hrtimer_resolution depends on the enablement of the high
resolution timers that can happen either at compile or at run time.
Fix the nds32 vdso implementation of clock_getres keeping a copy of
hrtimer_resolution in vdso data and using that directly.
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
nds32: Fix compiler warning, Wstringop-overflow, in vdso.c2018-05-23T05:26:22ZVincent Chenvincentc@andestech.com2018-05-21T06:36:22Zurn:sha1:a30e7d1e37e8acc37c25420d93af218166cca3ae
Getting a compiler warning, Wstringop-overflow, in
arch/nds32/kernel/vdso.c when kernel is built by gcc-8. Declaring
vdso_start and vdso_end as a pointer to fix this compiler warning.
Signed-off-by: Vincent Chen <vincentc@andestech.com>
Reviewed-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
nds32: VDSO support2018-02-22T02:44:33ZGreentime Hugreentime@andestech.com2017-10-25T03:16:56Zurn:sha1:eefacd1dfe38a3334d2e1c44fee0d7b0fdd5d252
This patch adds VDSO support. The VDSO code is currently used for
sys_rt_sigreturn() and optimised gettimeofday() (using the SoC timer counter).
Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>