From: Paul Mackerras <paulus@ozlabs.org>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Neuling <mikey@neuling.org>,
linuxppc-dev@lists.ozlabs.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-s390@vger.kernel.org
Subject: Re: [PATCH 1/4] cputime/powerpc: remove cputime_last_delta global variable
Date: Thu, 3 Nov 2016 11:50:38 +1100 [thread overview]
Message-ID: <20161103005038.GB4764@fergus.ozlabs.ibm.com> (raw)
In-Reply-To: <1477917389-11341-2-git-send-email-sgruszka@redhat.com>
On Mon, Oct 31, 2016 at 01:36:26PM +0100, Stanislaw Gruszka wrote:
> Since commit:
>
> cf9efce0ce313 ("powerpc: Account time using timebase rather than PURR")
>
> cputime_last_delta is not initialized to other value than 0, hence it's
> not used except zero check and cputime_to_scaled() just returns
> the argument.
>
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Yes, I should have removed them in that commit. We don't want to do
any scaling in the places where cputime_to_scaled() is used.
Acked-by: Paul Mackerras <paulus@ozlabs.org>
next prev parent reply other threads:[~2016-11-03 1:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 12:36 [PATCH 0/4] cputime: some optimizations and cleanups Stanislaw Gruszka
2016-10-31 12:36 ` [PATCH 1/4] cputime/powerpc: remove cputime_last_delta global variable Stanislaw Gruszka
2016-11-03 0:50 ` Paul Mackerras [this message]
2016-10-31 12:36 ` [PATCH 2/4] cputime/powerpc: remove cputime_to_scaled() Stanislaw Gruszka
2016-11-03 0:51 ` Paul Mackerras
2016-10-31 12:36 ` [PATCH 3/4] cputime/powerpc/s390: make scaled cputime arch specific Stanislaw Gruszka
2016-10-31 13:02 ` kbuild test robot
2016-10-31 13:13 ` [PATCH v2 " Stanislaw Gruszka
2016-10-31 14:13 ` [PATCH " kbuild test robot
2016-10-31 16:21 ` [PATCH v3 " Stanislaw Gruszka
2016-11-02 9:11 ` [PATCH " Christian Borntraeger
2016-11-02 9:38 ` Stanislaw Gruszka
2016-11-02 21:22 ` Martin Schwidefsky
2016-10-31 12:36 ` [PATCH 4/4] cputime: simplify task_cputime() Stanislaw Gruszka
2016-11-09 13:01 ` [PATCH 0/4] cputime: some optimizations and cleanups Frederic Weisbecker
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