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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Sergey Fedorov" <serge.fdrv@gmail.com>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Sergey Fedorov" <sergey.fedorov@linaro.org>
Cc: qemu-devel@nongnu.org, mttcg@greensocs.com,
	fred.konrad@greensocs.com, a.rigo@virtualopensystems.com,
	cota@braap.org, bobby.prani@gmail.com, rth@twiddle.net,
	patches@linaro.org, mark.burton@greensocs.com,
	jan.kiszka@siemens.com, peter.maydell@linaro.org,
	claudio.fontana@huawei.com,
	Peter Crosthwaite <crosthwaite.peter@gmail.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Michael Walle <michael@walle.cc>,
	Aurelien Jarno <aurelien@aurel32.net>,
	Leon Alrae <leon.alrae@imgtec.com>,
	Anthony Green <green@moxielogic.com>, Jia Liu <proljc@gmail.com>,
	David Gibson <david@gibson.dropbear.id.au>,
	Alexander Graf <agraf@suse.de>,
	Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	Artyom Tarasenko <atar4qemu@gmail.com>,
	Bastian Koppelmann <kbastian@mail.uni-paderborn.de>,
	Guan Xuetao <gxt@mprc.pku.edu.cn>,
	Max Filippov <jcmvbkbc@gmail.com>,
	qemu-arm@nongnu.org, qemu-ppc@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v3 06/11] tcg: Introduce tb_mark_invalid() and tb_is_invalid()
Date: Thu, 14 Jul 2016 13:48:34 +0200	[thread overview]
Message-ID: <79a897b0-107d-f647-943b-dc5247cac999@redhat.com> (raw)
In-Reply-To: <57877310.4070205@gmail.com>



On 14/07/2016 13:10, Sergey Fedorov wrote:
> > This has merge conflicts with the current state of master. Is there
> > anyway to have a common implementation that is specialised only when
> > needed?
>
> The point was to put the assumptions on invalid CPU TB state as close to
> cpu_get_tb_cpu_state() definitions as possible. So that if anyone make
> changes they can notice those assumptions and correct them if necessary.

It causes some repetition indeed, but I think it's a good idea.

restore_state_to_opc is another case where most implementations have the
same simple "env->pc = data[0]" implementation.

Paolo

  reply	other threads:[~2016-07-14 11:49 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-12 20:13 [Qemu-devel] [PATCH v3 00/11] Reduce lock contention on TCG hot-path Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 01/11] util/qht: Document memory ordering assumptions Sergey Fedorov
2016-07-12 23:19   ` Emilio G. Cota
2016-07-13  7:36     ` Paolo Bonzini
2016-07-13 17:50       ` Sergey Fedorov
2016-07-14 13:56         ` Paolo Bonzini
2016-07-14 14:08           ` Sergey Fedorov
2016-07-13 11:13   ` Paolo Bonzini
2016-07-13 18:03     ` Sergey Fedorov
2016-07-14  8:05       ` Paolo Bonzini
2016-07-15 12:37     ` Sergey Fedorov
2016-07-15 12:51       ` Paolo Bonzini
2016-07-15 13:18         ` Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 02/11] cpu-exec: Pass last_tb by value to tb_find_fast() Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 03/11] tcg: Prepare safe tb_jmp_cache lookup out of tb_lock Sergey Fedorov
2016-07-14 12:14   ` Alex Bennée
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 04/11] tcg: Prepare safe access to tb_flushed " Sergey Fedorov
2016-07-14 12:45   ` Alex Bennée
2016-07-14 12:55     ` Sergey Fedorov
2016-07-14 13:12       ` Alex Bennée
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 05/11] target-i386: Remove redundant HF_SOFTMMU_MASK Sergey Fedorov
2016-07-14 12:19   ` Alex Bennée
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 06/11] tcg: Introduce tb_mark_invalid() and tb_is_invalid() Sergey Fedorov
2016-07-14 10:25   ` Alex Bennée
2016-07-14 11:10     ` Sergey Fedorov
2016-07-14 11:48       ` Paolo Bonzini [this message]
2016-07-14 12:04         ` Alex Bennée
2016-07-14 12:53   ` Alex Bennée
2016-07-14 13:00     ` Sergey Fedorov
2016-07-14 13:12       ` Paolo Bonzini
2016-07-14 13:15       ` Alex Bennée
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 07/11] tcg: Prepare TB invalidation for lockless TB lookup Sergey Fedorov
2016-07-14 12:59   ` Alex Bennée
2016-07-14 13:11     ` Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 08/11] tcg: set up tb->page_addr before insertion Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 09/11] tcg: cpu-exec: remove tb_lock from the hot-path Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 10/11] tcg: Avoid bouncing tb_lock between tb_gen_code() and tb_add_jump() Sergey Fedorov
2016-07-14 13:01   ` Alex Bennée
2016-07-14 13:13     ` Sergey Fedorov
2016-07-12 20:13 ` [Qemu-devel] [PATCH v3 11/11] tcg: Merge tb_find_slow() and tb_find_fast() Sergey Fedorov
2016-07-14 13:02   ` Alex Bennée
2016-07-13  7:39 ` [Qemu-devel] [PATCH v3 00/11] Reduce lock contention on TCG hot-path Paolo Bonzini
2016-07-13 17:00   ` Sergey Fedorov
2016-07-14  9:55     ` Alex Bennée
2016-07-14 11:13       ` Sergey Fedorov
2016-07-13 18:06   ` Sergey Fedorov
2016-07-14 12:02   ` Alex Bennée
2016-07-14 12:10     ` Paolo Bonzini
2016-07-14 13:13       ` Alex Bennée

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