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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-22 00:23:52 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-22 00:23:52 +0300 |
| commit | d41ad6df44fbd01837211cee3273ce2f9445be6e (patch) | |
| tree | 2c67f9202b0db775a9b38fc121f4190433e1aef0 /arch/powerpc/kernel/time.c | |
| parent | 3dece370ecc7c6152b3fdd21c6de28179f6e643d (diff) | |
| parent | 8bfc5e36619e8464bf529137f834f55bd75de381 (diff) | |
| download | linux-d41ad6df44fbd01837211cee3273ce2f9445be6e.tar.xz | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits)
powerpc/mpic: Fix mask/unmask timeout message
powerpc/pseries: Add BNX2=m to defconfig
powerpc: Enable 64kB pages and 1024 threads in pseries config
powerpc: Disable mcount tracers in pseries defconfig
powerpc/boot/dts: Install dts from the right directory
powerpc: machine_check_generic is wrong on 64bit
powerpc: Check RTAS extended log flag before checking length
powerpc: Fix corruption when grabbing FWNMI data
powerpc: Rework pseries machine check handler
powerpc: Don't silently handle machine checks from userspace
powerpc: Remove duplicate debugger hook in machine_check_exception
powerpc: Never halt RTAS error logging after receiving an unrecoverable machine check
powerpc: Don't force MSR_RI in machine_check_exception
powerpc: Print 32 bits of DSISR in show_regs
powerpc/kdump: Disable ftrace during kexec
powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler
powerpc/kexec: Remove empty ppc_md.machine_kexec_prepare
powerpc/kexec: Don't initialise kexec hooks to default handlers
powerpc/kdump: Remove ppc_md.machine_crash_shutdown
powerpc/kexec: Remove ppc_md.machine_kexec
...
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 09e4dea4a85a..09d31dbf43f9 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -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) |