From: Laurent Vivier <lvivier@redhat.com>
To: qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>,
Stefan Hajnoczi <stefanha@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Aurelien Jarno <aurelien@aurel32.net>,
Leon Alrae <leon.alrae@imgtec.com>, Jia Liu <proljc@gmail.com>,
Jason Wang <jasowang@redhat.com>,
crosthwaitepeter@gmail.com
Subject: Re: [Qemu-devel] [PATCH v3 0/9] remove useless muldiv64()
Date: Thu, 24 Sep 2015 18:21:24 +0200 [thread overview]
Message-ID: <56042304.5070200@redhat.com> (raw)
In-Reply-To: <1440703987-29012-1-git-send-email-lvivier@redhat.com>
Hi,
all the patches of the series have been reviewed, except:
[PATCH v4 1/9] i6300esb: remove muldiv64(),
which is a rebased version.
[PATCH v3 5/9] openrisc: remove muldiv64()
Any volunteers ?
Laurent
On 27/08/2015 21:32, Laurent Vivier wrote:
> Originally, timers were ticks based, and it made sense to
> add ticks to current time to know when to trigger an alarm.
>
> But since commit:
>
> 7447545 change all other clock references to use nanosecond resolution accessors
>
> All timers use nanoseconds and we need to convert ticks to nanoseconds, by
> doing something like:
>
> y = muldiv64(x, get_ticks_per_sec(), TIMER_FREQ)
>
> where x is the number of device ticks and y the number of system ticks.
>
> y is used as nanoseconds in timer functions,
> it works because 1 tick is 1 nanosecond.
> (get_ticks_per_sec() is 10^9)
>
> But if get_ticks_per_sec() / TIMER_FREQ is an integer, we can do:
>
> y = x * TIMER_PERIOD;
>
> v3:
> Split "PCI: remove muldiv64()" in 3 patches:
> i6300esb: remove muldiv64()
> rtl8139: remove muldiv64()
> pcnet: remove muldiv64()
> v2:
> 4/4 For target-arm, don't remove muldiv64() but clarify
> the use of the values.
> 7/7 Replace qemu_clock_get_ns()/1000 by qemu_clock_get_us()
>
> Laurent Vivier (9):
> i6300esb: remove muldiv64()
> rtl8139: remove muldiv64()
> pcnet: remove muldiv64()
> mips: remove muldiv64()
> openrisc: remove muldiv64()
> arm: clarify the use of muldiv64()
> hpet: remove muldiv64()
> bt: remove muldiv64()
> net: remove muldiv64()
>
> hw/bt/hci.c | 4 ++--
> hw/mips/cputimer.c | 19 ++++++++-----------
> hw/net/pcnet.c | 3 +--
> hw/net/rtl8139.c | 14 ++++++--------
> hw/openrisc/cputimer.c | 7 +++----
> hw/timer/hpet.c | 6 +++---
> hw/watchdog/wdt_i6300esb.c | 11 +++--------
> include/hw/timer/hpet.h | 4 ++--
> net/dump.c | 2 +-
> target-arm/helper.c | 14 ++++++++------
> tests/rtl8139-test.c | 2 +-
> 11 files changed, 38 insertions(+), 48 deletions(-)
>
next prev parent reply other threads:[~2015-09-24 16:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-27 19:32 [Qemu-devel] [PATCH v3 0/9] remove useless muldiv64() Laurent Vivier
2015-08-27 19:32 ` [Qemu-devel] [PATCH v3 1/9] i6300esb: remove muldiv64() Laurent Vivier
2015-09-14 13:31 ` [Qemu-devel] [PATCH v4 " Laurent Vivier
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 2/9] rtl8139: " Laurent Vivier
2015-08-28 14:12 ` Stefan Hajnoczi
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 3/9] pcnet: " Laurent Vivier
2015-08-28 14:12 ` Stefan Hajnoczi
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 4/9] mips: " Laurent Vivier
2015-09-08 12:54 ` Laurent Vivier
2015-09-08 13:42 ` Leon Alrae
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 5/9] openrisc: " Laurent Vivier
2015-09-08 12:54 ` Laurent Vivier
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 6/9] arm: clarify the use of muldiv64() Laurent Vivier
2015-08-27 20:23 ` Peter Crosthwaite
2015-09-01 11:17 ` Peter Maydell
2015-09-01 11:23 ` Laurent Vivier
2015-09-01 11:30 ` Peter Maydell
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 7/9] hpet: remove muldiv64() Laurent Vivier
2015-09-08 12:55 ` Laurent Vivier
2015-09-08 12:58 ` Paolo Bonzini
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 8/9] bt: " Laurent Vivier
2015-09-08 12:55 ` Laurent Vivier
2015-09-08 12:57 ` Paolo Bonzini
2015-08-27 19:33 ` [Qemu-devel] [PATCH v3 9/9] net: " Laurent Vivier
2015-08-28 14:12 ` Stefan Hajnoczi
2015-09-24 16:21 ` Laurent Vivier [this message]
2015-09-25 10:31 ` [Qemu-devel] [PATCH v3 0/9] remove useless muldiv64() Paolo Bonzini
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