debuggers.hg
changeset 16726:4fcc8b64c2b5
x86: Fixes for S3 suspend resume:
- Fix wallclock resume by remembering the offset from CMOS time to
UTC time
- Restore dom0's CPU affinity (lost during
continue_hypercall_on_cpu())
Signed-off-by: Xu Dongxiao <dongxiao.xu@intel.com>
- Fix wallclock resume by remembering the offset from CMOS time to
UTC time
- Restore dom0's CPU affinity (lost during
continue_hypercall_on_cpu())
Signed-off-by: Xu Dongxiao <dongxiao.xu@intel.com>
author | Keir Fraser <keir.fraser@citrix.com> |
---|---|
date | Tue Jan 08 10:13:11 2008 +0000 (2008-01-08) |
parents | 25771a7c2907 |
children | 66db23ecd562 |
files | xen/arch/x86/domain.c xen/arch/x86/time.c |
line diff
1.1 --- a/xen/arch/x86/domain.c Tue Jan 08 09:57:59 2008 +0000 1.2 +++ b/xen/arch/x86/domain.c Tue Jan 08 10:13:11 2008 +0000 1.3 @@ -1420,6 +1420,7 @@ static void continue_hypercall_on_cpu_he 1.4 regs->eax = info->func(info->data); 1.5 1.6 v->arch.schedule_tail = info->saved_schedule_tail; 1.7 + v->cpu_affinity = info->saved_affinity; 1.8 v->arch.continue_info = NULL; 1.9 1.10 xfree(info);
2.1 --- a/xen/arch/x86/time.c Tue Jan 08 09:57:59 2008 +0000 2.2 +++ b/xen/arch/x86/time.c Tue Jan 08 10:13:11 2008 +0000 2.3 @@ -971,8 +971,14 @@ unsigned long get_localtime(struct domai 2.4 + d->time_offset_seconds; 2.5 } 2.6 2.7 +/* "cmos_utc_offset" is the difference between UTC time and CMOS time. */ 2.8 +static long cmos_utc_offset; /* in seconds */ 2.9 + 2.10 int time_suspend(void) 2.11 { 2.12 + cmos_utc_offset = (wc_sec + (wc_nsec + NOW()) / 1000000000ULL) 2.13 + - get_cmos_time(); 2.14 + 2.15 /* Better to cancel calibration timer for accuracy. */ 2.16 kill_timer(&this_cpu(cpu_time).calibration_timer); 2.17 2.18 @@ -986,7 +992,8 @@ int time_resume(void) 2.19 set_time_scale(&this_cpu(cpu_time).tsc_scale, tmp); 2.20 2.21 resume_platform_timer(); 2.22 - do_settime(get_cmos_time(), 0, read_platform_stime()); 2.23 + 2.24 + do_settime(get_cmos_time() + cmos_utc_offset, 0, read_platform_stime()); 2.25 2.26 init_percpu_time(); 2.27