Messages in this thread | | | Date | Mon, 7 Oct 2019 18:20:31 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/2] vtime: Remove pair of seqcount on context switch |
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* Frederic Weisbecker <frederic@kernel.org> wrote:
> Extracted from a larger queue that fixes kcpustat on nohz_full, these > two patches have value on their own as they remove two write barriers > on nohz_full context switch. > > Frederic Weisbecker (2): > vtime: Rename vtime_account_system() to vtime_account_kernel() > vtime: Spare a seqcount lock/unlock cycle on context switch > > arch/ia64/kernel/time.c | 4 +-- > arch/powerpc/kernel/time.c | 6 ++-- > arch/s390/kernel/vtime.c | 4 +-- > include/linux/context_tracking.h | 4 +-- > include/linux/vtime.h | 38 ++++++++++++------------ > kernel/sched/cputime.c | 50 ++++++++++++++++++-------------- > 6 files changed, 57 insertions(+), 49 deletions(-)
Which tree is this against? Doesn't apply cleanly to v5.4-rc2 nor v5.3. Does it have any prereqs perhaps?
Thanks,
Ingo
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