Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-11 Thread Vincent Chen
2017-12-08 20:14 GMT+08:00 Mark Rutland : > On Fri, Dec 08, 2017 at 07:54:42PM +0800, Greentime Hu wrote: >> 2017-12-08 18:21 GMT+08:00 Mark Rutland : >> > On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: >> >> +static int grab_timer_node_info(void) >> >> +{ >> >> + struct device_n

Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Greentime Hu
Hi, Marc: 2017-12-08 20:29 GMT+08:00 Marc Zyngier : > On 08/12/17 11:54, Greentime Hu wrote: >> Hi, Mark: >> >> 2017-12-08 18:21 GMT+08:00 Mark Rutland : >>> On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: From: Greentime Hu This patch adds VDSO support. The VDSO code

Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Marc Zyngier
On 08/12/17 11:54, Greentime Hu wrote: > Hi, Mark: > > 2017-12-08 18:21 GMT+08:00 Mark Rutland : >> On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: >>> From: Greentime Hu >>> >>> This patch adds VDSO support. The VDSO code is currently used for >>> sys_rt_sigreturn() and optimised g

Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Mark Rutland
On Fri, Dec 08, 2017 at 07:54:42PM +0800, Greentime Hu wrote: > 2017-12-08 18:21 GMT+08:00 Mark Rutland : > > On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: > >> +static int grab_timer_node_info(void) > >> +{ > >> + struct device_node *timer_node; > >> + > >> + timer_node = o

Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Greentime Hu
Hi, Mark: 2017-12-08 18:21 GMT+08:00 Mark Rutland : > On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: >> From: Greentime Hu >> >> This patch adds VDSO support. The VDSO code is currently used for >> sys_rt_sigreturn() and optimised gettimeofday() (using the SoC timer >> counter). >

Re: [PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Mark Rutland
On Fri, Dec 08, 2017 at 05:12:00PM +0800, Greentime Hu wrote: > From: Greentime Hu > > This patch adds VDSO support. The VDSO code is currently used for > sys_rt_sigreturn() and optimised gettimeofday() (using the SoC timer counter). [...] > +static int grab_timer_node_info(void) > +{ > + s

[PATCH v3 17/33] nds32: VDSO support

2017-12-08 Thread Greentime Hu
From: Greentime Hu 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 Signed-off-by: Greentime Hu --- arch/nds32/include/asm/vdso.h | 35 arch/nds32/in