diff options
author | David S. Miller <davem@davemloft.net> | 2011-01-24 13:17:06 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2011-01-24 13:17:06 -0800 |
commit | e92427b289d252cfbd4cb5282d92f4ce1a5bb1fb (patch) | |
tree | 6d30e5e7b7f8e9aaa51d43b7128ac56860fa03bb /arch/powerpc/kernel/time.c | |
parent | c506653d35249bb4738bb139c24362e1ae724bc1 (diff) | |
parent | ec30f343d61391ab23705e50a525da1d55395780 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/powerpc/kernel/time.c')
-rw-r--r-- | arch/powerpc/kernel/time.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 010406958d9..09d31dbf43f 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -155,7 +155,7 @@ EXPORT_SYMBOL_GPL(rtc_lock); static u64 tb_to_ns_scale __read_mostly; static unsigned tb_to_ns_shift __read_mostly; -static unsigned long boot_tb __read_mostly; +static u64 boot_tb __read_mostly; extern struct timezone sys_tz; static long timezone_offset; @@ -265,11 +265,26 @@ void accumulate_stolen_time(void) { u64 sst, ust; - sst = scan_dispatch_log(get_paca()->starttime_user); - ust = scan_dispatch_log(get_paca()->starttime); - get_paca()->system_time -= sst; - get_paca()->user_time -= ust; - get_paca()->stolen_time += ust + sst; + u8 save_soft_enabled = local_paca->soft_enabled; + u8 save_hard_enabled = local_paca->hard_enabled; + + /* We are called early in the exception entry, before + * soft/hard_enabled are sync'ed to the expected state + * for the exception. We are hard disabled but the PACA + * needs to reflect that so various debug stuff doesn't + * complain + */ + local_paca->soft_enabled = 0; + local_paca->hard_enabled = 0; + + sst = scan_dispatch_log(local_paca->starttime_user); + ust = scan_dispatch_log(local_paca->starttime); + local_paca->system_time -= sst; + local_paca->user_time -= ust; + local_paca->stolen_time += ust + sst; + + local_paca->soft_enabled = save_soft_enabled; + local_paca->hard_enabled = save_hard_enabled; } static inline u64 calculate_stolen_time(u64 stop_tb) |