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Tue, 29 Sep 2020 20:19:28 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-101.ams2.redhat.com [10.36.112.101]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0783D19C4F; Tue, 29 Sep 2020 20:19:28 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 8F11B11386A0; Tue, 29 Sep 2020 22:19:26 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 01/29] qapi: Restrict LostTickPolicy enum to machine code Date: Tue, 29 Sep 2020 22:18:58 +0200 Message-Id: <20200929201926.2155622-2-armbru@redhat.com> In-Reply-To: <20200929201926.2155622-1-armbru@redhat.com> References: <20200929201926.2155622-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 22:47:55 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.687, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Philippe Mathieu-Daudé Restricting LostTickPolicy to machine.json pulls slightly less QAPI-generated code into user-mode. Acked-by: Markus Armbruster Acked-by: Paolo Bonzini Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20200913195348.1064154-2-philmd@redhat.com> [Add rationale to commit message] Signed-off-by: Markus Armbruster --- qapi/machine.json | 32 ++++++++++++++++++++++++++++++++ qapi/misc.json | 32 -------------------------------- include/hw/rtc/mc146818rtc.h | 2 +- hw/core/qdev-properties.c | 1 + hw/i386/kvm/i8254.c | 2 +- 5 files changed, 35 insertions(+), 34 deletions(-) diff --git a/qapi/machine.json b/qapi/machine.json index d8ed096e9a..8e2164a0b6 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -402,6 +402,38 @@ ## { 'command': 'query-target', 'returns': 'TargetInfo' } +## +# @LostTickPolicy: +# +# Policy for handling lost ticks in timer devices. Ticks end up getting +# lost when, for example, the guest is paused. +# +# @discard: throw away the missed ticks and continue with future injection +# normally. The guest OS will see the timer jump ahead by a +# potentially quite significant amount all at once, as if the +# intervening chunk of time had simply not existed; needless to +# say, such a sudden jump can easily confuse a guest OS which is +# not specifically prepared to deal with it. Assuming the guest +# OS can deal correctly with the time jump, the time in the guest +# and in the host should now match. +# +# @delay: continue to deliver ticks at the normal rate. The guest OS will +# not notice anything is amiss, as from its point of view time will +# have continued to flow normally. The time in the guest should now +# be behind the time in the host by exactly the amount of time during +# which ticks have been missed. +# +# @slew: deliver ticks at a higher rate to catch up with the missed ticks. +# The guest OS will not notice anything is amiss, as from its point +# of view time will have continued to flow normally. Once the timer +# has managed to catch up with all the missing ticks, the time in +# the guest and in the host should match. +# +# Since: 2.0 +## +{ 'enum': 'LostTickPolicy', + 'data': ['discard', 'delay', 'slew' ] } + ## # @NumaOptionsType: # diff --git a/qapi/misc.json b/qapi/misc.json index 8cf6ebe67c..b21963a176 100644 --- a/qapi/misc.json +++ b/qapi/misc.json @@ -8,38 +8,6 @@ { 'include': 'common.json' } -## -# @LostTickPolicy: -# -# Policy for handling lost ticks in timer devices. Ticks end up getting -# lost when, for example, the guest is paused. -# -# @discard: throw away the missed ticks and continue with future injection -# normally. The guest OS will see the timer jump ahead by a -# potentially quite significant amount all at once, as if the -# intervening chunk of time had simply not existed; needless to -# say, such a sudden jump can easily confuse a guest OS which is -# not specifically prepared to deal with it. Assuming the guest -# OS can deal correctly with the time jump, the time in the guest -# and in the host should now match. -# -# @delay: continue to deliver ticks at the normal rate. The guest OS will -# not notice anything is amiss, as from its point of view time will -# have continued to flow normally. The time in the guest should now -# be behind the time in the host by exactly the amount of time during -# which ticks have been missed. -# -# @slew: deliver ticks at a higher rate to catch up with the missed ticks. -# The guest OS will not notice anything is amiss, as from its point -# of view time will have continued to flow normally. Once the timer -# has managed to catch up with all the missing ticks, the time in -# the guest and in the host should match. -# -# Since: 2.0 -## -{ 'enum': 'LostTickPolicy', - 'data': ['discard', 'delay', 'slew' ] } - ## # @add_client: # diff --git a/include/hw/rtc/mc146818rtc.h b/include/hw/rtc/mc146818rtc.h index 6224b5276a..5b45b22924 100644 --- a/include/hw/rtc/mc146818rtc.h +++ b/include/hw/rtc/mc146818rtc.h @@ -9,7 +9,7 @@ #ifndef HW_RTC_MC146818RTC_H #define HW_RTC_MC146818RTC_H -#include "qapi/qapi-types-misc.h" +#include "qapi/qapi-types-machine.h" #include "qemu/queue.h" #include "qemu/timer.h" #include "hw/isa/isa.h" diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 098298c78e..343c824da0 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -4,6 +4,7 @@ #include "qapi/error.h" #include "hw/pci/pci.h" #include "qapi/qapi-types-block.h" +#include "qapi/qapi-types-machine.h" #include "qapi/qapi-types-misc.h" #include "qapi/qmp/qerror.h" #include "qemu/ctype.h" diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c index e18fd337fa..40d84734e7 100644 --- a/hw/i386/kvm/i8254.c +++ b/hw/i386/kvm/i8254.c @@ -25,7 +25,7 @@ #include "qemu/osdep.h" #include -#include "qapi/qapi-types-misc.h" +#include "qapi/qapi-types-machine.h" #include "qapi/error.h" #include "qemu/module.h" #include "qemu/timer.h"